diff --git a/doc/实践模板-开源软件泛读、标注和维护报告文档2024 (1).docx b/doc/实践模板-开源软件泛读、标注和维护报告文档2024 (1).docx new file mode 100644 index 0000000..5d7a035 Binary files /dev/null and b/doc/实践模板-开源软件泛读、标注和维护报告文档2024 (1).docx differ diff --git a/doc/开源软件的质量分析报告文档.docx b/doc/开源软件的质量分析报告文档.docx new file mode 100644 index 0000000..0bba912 Binary files /dev/null and b/doc/开源软件的质量分析报告文档.docx differ diff --git a/src/.idea/gradle.xml b/src/.idea/gradle.xml index de8896e..c680525 100644 --- a/src/.idea/gradle.xml +++ b/src/.idea/gradle.xml @@ -1,12 +1,12 @@ + diff --git a/src/.idea/misc.xml b/src/.idea/misc.xml index 7c65e80..bfb7499 100644 --- a/src/.idea/misc.xml +++ b/src/.idea/misc.xml @@ -1,4 +1,3 @@ - diff --git a/src/.idea/modules.xml b/src/.idea/modules.xml new file mode 100644 index 0000000..f669a0e --- /dev/null +++ b/src/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/src/.idea/src.iml b/src/.idea/src.iml new file mode 100644 index 0000000..d6ebd48 --- /dev/null +++ b/src/.idea/src.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/src/.idea/vcs.xml b/src/.idea/vcs.xml new file mode 100644 index 0000000..6c0b863 --- /dev/null +++ b/src/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/data/Contact.java b/src/app/src/main/java/net/micode/notes/data/Contact.java index d97ac5d..b4011b0 100644 --- a/src/app/src/main/java/net/micode/notes/data/Contact.java +++ b/src/app/src/main/java/net/micode/notes/data/Contact.java @@ -13,9 +13,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - package net.micode.notes.data; - import android.content.Context; import android.database.Cursor; import android.provider.ContactsContract.CommonDataKinds.Phone; @@ -24,11 +22,11 @@ import android.telephony.PhoneNumberUtils; import android.util.Log; import java.util.HashMap; - public class Contact { private static HashMap sContactCache; + //用于缓存已经查询过的电话号码和对应的联系人姓名，目的是避免重复查询，提高性能。 private static final String TAG = "Contact"; - + //用于日志输出的标签，方便在日志中识别该类相关的日志信息 private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + " AND " + Data.RAW_CONTACT_ID + " IN " @@ -40,34 +38,38 @@ public class Contact { if(sContactCache == null) { sContactCache = new HashMap(); } - + //检查缓存sContactCache是否已经初始化，如果没有则进行初始化 if(sContactCache.containsKey(phoneNumber)) { return sContactCache.get(phoneNumber); } - + //检查传入的电话号码是否已经在缓存中，如果在缓存中则直接返回对应的联系人姓名 String selection = CALLER_ID_SELECTION.replace("+", PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + //如果不在缓存中，则构建查询条件。通过CALLER_ID_SELECTION字符串构建查询语句，其中将+替换为通过PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)生成的匹配字符串 Cursor cursor = context.getContentResolver().query( Data.CONTENT_URI, new String [] { Phone.DISPLAY_NAME }, selection, new String[] { phoneNumber }, null); + //执行查询操作，查询的结果集包含联系人姓名 if (cursor != null && cursor.moveToFirst()) { try { String name = cursor.getString(0); sContactCache.put(phoneNumber, name); return name; + //如果查询结果不为空且游标可以移动到第一条记录（表示找到了匹配的联系人），则从游标中获取联系人姓名，并将其放入缓存中，然后返回该姓名 } catch (IndexOutOfBoundsException e) { Log.e(TAG, " Cursor get string error " + e.toString()); return null; + //如果在获取姓名过程中发生索引越界异常，则在日志中记录错误信息并返回null } finally { cursor.close(); - } + }//无论是否发生异常，都需要在finally块中关闭游标以释放资源 } else { Log.d(TAG, "No contact matched with number:" + phoneNumber); return null; - } + }//如果查询结果为空，表示没有找到匹配的联系人 } } diff --git a/src/app/src/main/java/net/micode/notes/data/Notes.java b/src/app/src/main/java/net/micode/notes/data/Notes.java index f240604..c470baa 100644 --- a/src/app/src/main/java/net/micode/notes/data/Notes.java +++ b/src/app/src/main/java/net/micode/notes/data/Notes.java @@ -14,266 +14,277 @@ * limitations under the License. */ -package net.micode.notes.data; - -import android.net.Uri; -public class Notes { - public static final String AUTHORITY = "micode_notes"; - public static final String TAG = "Notes"; - public static final int TYPE_NOTE = 0; - public static final int TYPE_FOLDER = 1; - public static final int TYPE_SYSTEM = 2; - - /** - * Following IDs are system folders' identifiers - * {@link Notes#ID_ROOT_FOLDER } is default folder - * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder - * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records - */ - public static final int ID_ROOT_FOLDER = 0; - public static final int ID_TEMPARAY_FOLDER = -1; - public static final int ID_CALL_RECORD_FOLDER = -2; - public static final int ID_TRASH_FOLER = -3; - - public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; - public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; - public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; - public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; - public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; - public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; - - public static final int TYPE_WIDGET_INVALIDE = -1; - public static final int TYPE_WIDGET_2X = 0; - public static final int TYPE_WIDGET_4X = 1; - - public static class DataConstants { - public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; - public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; - } - - /** - * Uri to query all notes and folders - */ - public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); - - /** - * Uri to query data - */ - public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); - - public interface NoteColumns { - /** - * The unique ID for a row - *

Type: INTEGER (long)

- */ - public static final String ID = "_id"; - - /** - * The parent's id for note or folder - *

Type: INTEGER (long)

- */ - public static final String PARENT_ID = "parent_id"; - - /** - * Created data for note or folder - *

Type: INTEGER (long)

- */ - public static final String CREATED_DATE = "created_date"; - - /** - * Latest modified date - *

Type: INTEGER (long)

- */ - public static final String MODIFIED_DATE = "modified_date"; - - - /** - * Alert date - *

Type: INTEGER (long)

- */ - public static final String ALERTED_DATE = "alert_date"; - - /** - * Folder's name or text content of note - *

Type: TEXT

- */ - public static final String SNIPPET = "snippet"; - - /** - * Note's widget id - *

Type: INTEGER (long)

- */ - public static final String WIDGET_ID = "widget_id"; - - /** - * Note's widget type - *

Type: INTEGER (long)

- */ - public static final String WIDGET_TYPE = "widget_type"; - - /** - * Note's background color's id - *

Type: INTEGER (long)

- */ - public static final String BG_COLOR_ID = "bg_color_id"; - - /** - * For text note, it doesn't has attachment, for multi-media - * note, it has at least one attachment - *

Type: INTEGER

- */ - public static final String HAS_ATTACHMENT = "has_attachment"; - - /** - * Folder's count of notes - *

Type: INTEGER (long)

- */ - public static final String NOTES_COUNT = "notes_count"; - - /** - * The file type: folder or note - *

Type: INTEGER

- */ - public static final String TYPE = "type"; - - /** - * The last sync id - *

Type: INTEGER (long)

- */ - public static final String SYNC_ID = "sync_id"; - - /** - * Sign to indicate local modified or not - *

Type: INTEGER

- */ - public static final String LOCAL_MODIFIED = "local_modified"; - - /** - * Original parent id before moving into temporary folder - *

Type : INTEGER

- */ - public static final String ORIGIN_PARENT_ID = "origin_parent_id"; - - /** - * The gtask id - *

Type : TEXT

- */ - public static final String GTASK_ID = "gtask_id"; - - /** - * The version code - *

Type : INTEGER (long)

- */ - public static final String VERSION = "version"; - } - - public interface DataColumns { - /** - * The unique ID for a row - *

Type: INTEGER (long)

- */ - public static final String ID = "_id"; - - /** - * The MIME type of the item represented by this row. - *

Type: Text

- */ - public static final String MIME_TYPE = "mime_type"; - - /** - * The reference id to note that this data belongs to - *

Type: INTEGER (long)

- */ - public static final String NOTE_ID = "note_id"; - - /** - * Created data for note or folder - *

Type: INTEGER (long)

- */ - public static final String CREATED_DATE = "created_date"; - - /** - * Latest modified date - *

Type: INTEGER (long)

- */ - public static final String MODIFIED_DATE = "modified_date"; - - /** - * Data's content - *

Type: TEXT

- */ - public static final String CONTENT = "content"; - - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *

Type: INTEGER

- */ - public static final String DATA1 = "data1"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type - *

Type: INTEGER

- */ - public static final String DATA2 = "data2"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

- */ - public static final String DATA3 = "data3"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

- */ - public static final String DATA4 = "data4"; - - /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type - *

Type: TEXT

- */ - public static final String DATA5 = "data5"; - } - - public static final class TextNote implements DataColumns { - /** - * Mode to indicate the text in check list mode or not - *

Type: Integer 1:check list mode 0: normal mode

- */ - public static final String MODE = DATA1; - - public static final int MODE_CHECK_LIST = 1; - - public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; - - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; - - public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); - } - - public static final class CallNote implements DataColumns { - /** - * Call date for this record - *

Type: INTEGER (long)

- */ - public static final String CALL_DATE = DATA1; - - /** - * Phone number for this record - *

Type: TEXT

- */ - public static final String PHONE_NUMBER = DATA3; - - public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; - - public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; - - public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); - } -} + package net.micode.notes.data; + + import android.net.Uri; + public class Notes { + public static final String AUTHORITY = "micode_notes"; + public static final String TAG = "Notes"; + public static final int TYPE_NOTE = 0; + public static final int TYPE_FOLDER = 1; + public static final int TYPE_SYSTEM = 2; + + /** + * Following IDs are system folders' identifiers + * {@link Notes#ID_ROOT_FOLDER } is default folder + * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder + * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records + */ + public static final int ID_ROOT_FOLDER = 0; + public static final int ID_TEMPARAY_FOLDER = -1; + public static final int ID_CALL_RECORD_FOLDER = -2; + public static final int ID_TRASH_FOLER = -3; + + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; + + public static final int TYPE_WIDGET_INVALIDE = -1; + public static final int TYPE_WIDGET_2X = 0; + public static final int TYPE_WIDGET_4X = 1; + + public static class DataConstants { + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + } + + /** + * Uri to query all notes and folders + */ + public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); + + /** + * Uri to query data + */ + public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); + + public interface NoteColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + //行的唯一标识 + /** + * The parent's id for note or folder + *

Type: INTEGER (long)

+ */ + public static final String PARENT_ID = "parent_id"; + //笔记或文件夹的父级 ID + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + //创建日期 + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + //最后修改日期 + + /** + * Alert date + *

Type: INTEGER (long)

+ */ + public static final String ALERTED_DATE = "alert_date"; + //提醒日期 + /** + * Folder's name or text content of note + *

Type: TEXT

+ */ + public static final String SNIPPET = "snippet"; + //文件夹名称或者笔记的文本内容片段 + /** + * Note's widget id + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_ID = "widget_id"; + //与笔记关联的小部件 ID + /** + * Note's widget type + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_TYPE = "widget_type"; + //与笔记关联的小部件类型 + /** + * Note's background color's id + *

Type: INTEGER (long)

+ */ + public static final String BG_COLOR_ID = "bg_color_id"; + //笔记背景颜色 ID + /** + * For text note, it doesn't has attachment, for multi-media + * note, it has at least one attachment + *

Type: INTEGER

+ */ + public static final String HAS_ATTACHMENT = "has_attachment"; + //表示笔记是否有附件 + /** + * Folder's count of notes + *

Type: INTEGER (long)

+ */ + public static final String NOTES_COUNT = "notes_count"; + //文件夹中笔记的数量 + /** + * The file type: folder or note + *

Type: INTEGER

+ */ + public static final String TYPE = "type"; + //文件类型 + /** + * The last sync id + *

Type: INTEGER (long)

+ */ + public static final String SYNC_ID = "sync_id"; + //最后同步 ID + /** + * Sign to indicate local modified or not + *

Type: INTEGER

+ */ + public static final String LOCAL_MODIFIED = "local_modified"; + //是否本地修改 + /** + * Original parent id before moving into temporary folder + *

Type : INTEGER

+ */ + public static final String ORIGIN_PARENT_ID = "origin_parent_id"; + //在移动到临时文件夹之前的原始父 ID + /** + * The gtask id + *

Type : TEXT

+ */ + public static final String GTASK_ID = "gtask_id"; + //与GTASK相关的 ID + /** + * The version code + *

Type : INTEGER (long)

+ */ + public static final String VERSION = "version"; + //版本号 + }//这个接口定义了与笔记相关的列名和对应的数据类型，这些列用于数据库表或者内容提供者中存储笔记的相关信息 + + public interface DataColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + //标识 + + /** + * The MIME type of the item represented by this row. + *

Type: Text

+ */ + public static final String MIME_TYPE = "mime_type"; + //数据项的 MIME 类型 + /** + * The reference id to note that this data belongs to + *

Type: INTEGER (long)

+ */ + public static final String NOTE_ID = "note_id"; + //数据所属笔记的引用 ID + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + //创建日期 + + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + //修改日期 + + /** + * Data's content + *

Type: TEXT

+ */ + public static final String CONTENT = "content"; + //数据的内容 + + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA1 = "data1"; + // + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA2 = "data2"; + // + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA3 = "data3"; + // + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA4 = "data4"; + // + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA5 = "data5"; + // + }//这个接口定义了与数据相关的列名和对应的数据类型，用于存储与笔记相关的数据信息 + + public static final class TextNote implements DataColumns { + /** + * Mode to indicate the text in check list mode or not + *

Type: Integer 1:check list mode 0: normal mode

+ */ + public static final String MODE = DATA1; + + public static final int MODE_CHECK_LIST = 1; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); + }//实现了DataColumns接口，用于表示文本笔记相关的数据 + + public static final class CallNote implements DataColumns { + /** + * Call date for this record + *

Type: INTEGER (long)

+ */ + public static final String CALL_DATE = DATA1; + + /** + * Phone number for this record + *

Type: TEXT

+ */ + public static final String PHONE_NUMBER = DATA3; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + }//实现了DataColumns接口，用于表示通话记录笔记相关的数据 + } + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java b/src/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java index ffe5d57..125c46e 100644 --- a/src/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java +++ b/src/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java @@ -14,349 +14,358 @@ * limitations under the License. */ -package net.micode.notes.data; - -import android.content.ContentValues; -import android.content.Context; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; -import android.util.Log; - -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; - - -public class NotesDatabaseHelper extends SQLiteOpenHelper { - private static final String DB_NAME = "note.db"; - - private static final int DB_VERSION = 4; - - public interface TABLE { - public static final String NOTE = "note"; - - public static final String DATA = "data"; - } - - private static final String TAG = "NotesDatabaseHelper"; - - private static NotesDatabaseHelper mInstance; - - private static final String CREATE_NOTE_TABLE_SQL = - "CREATE TABLE " + TABLE.NOTE + "(" + - NoteColumns.ID + " INTEGER PRIMARY KEY," + - NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + - NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + - NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + - ")"; - - private static final String CREATE_DATA_TABLE_SQL = - "CREATE TABLE " + TABLE.DATA + "(" + - DataColumns.ID + " INTEGER PRIMARY KEY," + - DataColumns.MIME_TYPE + " TEXT NOT NULL," + - DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + - NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + - DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA1 + " INTEGER," + - DataColumns.DATA2 + " INTEGER," + - DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + - DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + - ")"; - - private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = - "CREATE INDEX IF NOT EXISTS note_id_index ON " + - TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; - - /** - * Increase folder's note count when move note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER increase_folder_count_on_update "+ - " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + - " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + - " END"; - - /** - * Decrease folder's note count when move note from folder - */ - private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER decrease_folder_count_on_update " + - " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + - " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + - " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + - " END"; - - /** - * Increase folder's note count when insert new note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = - "CREATE TRIGGER increase_folder_count_on_insert " + - " AFTER INSERT ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + - " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + - " END"; - - /** - * Decrease folder's note count when delete note from the folder - */ - private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = - "CREATE TRIGGER decrease_folder_count_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN " + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + - " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + - " AND " + NoteColumns.NOTES_COUNT + ">0;" + - " END"; - - /** - * Update note's content when insert data with type {@link DataConstants#NOTE} - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = - "CREATE TRIGGER update_note_content_on_insert " + - " AFTER INSERT ON " + TABLE.DATA + - " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + - " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has changed - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = - "CREATE TRIGGER update_note_content_on_update " + - " AFTER UPDATE ON " + TABLE.DATA + - " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + - " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has deleted - */ - private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = - "CREATE TRIGGER update_note_content_on_delete " + - " AFTER delete ON " + TABLE.DATA + - " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.SNIPPET + "=''" + - " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + - " END"; - - /** - * Delete datas belong to note which has been deleted - */ - private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = - "CREATE TRIGGER delete_data_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN" + - " DELETE FROM " + TABLE.DATA + - " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - /** - * Delete notes belong to folder which has been deleted - */ - private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = - "CREATE TRIGGER folder_delete_notes_on_delete " + - " AFTER DELETE ON " + TABLE.NOTE + - " BEGIN" + - " DELETE FROM " + TABLE.NOTE + - " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - /** - * Move notes belong to folder which has been moved to trash folder - */ - private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = - "CREATE TRIGGER folder_move_notes_on_trash " + - " AFTER UPDATE ON " + TABLE.NOTE + - " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + - " BEGIN" + - " UPDATE " + TABLE.NOTE + - " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + - " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + - " END"; - - public NotesDatabaseHelper(Context context) { - super(context, DB_NAME, null, DB_VERSION); - } - - public void createNoteTable(SQLiteDatabase db) { - db.execSQL(CREATE_NOTE_TABLE_SQL); - reCreateNoteTableTriggers(db); - createSystemFolder(db); - Log.d(TAG, "note table has been created"); - } - - private void reCreateNoteTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); - - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); - db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); - db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); - db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); - } - - private void createSystemFolder(SQLiteDatabase db) { - ContentValues values = new ContentValues(); - - /** - * call record foler for call notes - */ - values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * root folder which is default folder - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * temporary folder which is used for moving note - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - - /** - * create trash folder - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - } - - public void createDataTable(SQLiteDatabase db) { - db.execSQL(CREATE_DATA_TABLE_SQL); - reCreateDataTableTriggers(db); - db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); - Log.d(TAG, "data table has been created"); - } - - private void reCreateDataTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); - - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); - } - - static synchronized NotesDatabaseHelper getInstance(Context context) { - if (mInstance == null) { - mInstance = new NotesDatabaseHelper(context); - } - return mInstance; - } - - @Override - public void onCreate(SQLiteDatabase db) { - createNoteTable(db); - createDataTable(db); - } - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - boolean reCreateTriggers = false; - boolean skipV2 = false; - - if (oldVersion == 1) { - upgradeToV2(db); - skipV2 = true; // this upgrade including the upgrade from v2 to v3 - oldVersion++; - } - - if (oldVersion == 2 && !skipV2) { - upgradeToV3(db); - reCreateTriggers = true; - oldVersion++; - } - - if (oldVersion == 3) { - upgradeToV4(db); - oldVersion++; - } - - if (reCreateTriggers) { - reCreateNoteTableTriggers(db); - reCreateDataTableTriggers(db); - } - - if (oldVersion != newVersion) { - throw new IllegalStateException("Upgrade notes database to version " + newVersion - + "fails"); - } - } - - private void upgradeToV2(SQLiteDatabase db) { - db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); - db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); - createNoteTable(db); - createDataTable(db); - } - - private void upgradeToV3(SQLiteDatabase db) { - // drop unused triggers - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); - // add a column for gtask id - db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID - + " TEXT NOT NULL DEFAULT ''"); - // add a trash system folder - ContentValues values = new ContentValues(); - values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - } - - private void upgradeToV4(SQLiteDatabase db) { - db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION - + " INTEGER NOT NULL DEFAULT 0"); - } -} + package net.micode.notes.data; + + import android.content.ContentValues; + import android.content.Context; + import android.database.sqlite.SQLiteDatabase; + import android.database.sqlite.SQLiteOpenHelper; + import android.util.Log; + + import net.micode.notes.data.Notes.DataColumns; + import net.micode.notes.data.Notes.DataConstants; + import net.micode.notes.data.Notes.NoteColumns; + + + public class NotesDatabaseHelper extends SQLiteOpenHelper { + private static final String DB_NAME = "note.db"; + //数据库的名称 + + private static final int DB_VERSION = 4; + //数据库的版本号 + + public interface TABLE { + public static final String NOTE = "note"; + + public static final String DATA = "data"; + }//存储笔记信息和相关数据的表 + + private static final String TAG = "NotesDatabaseHelper"; + + private static NotesDatabaseHelper mInstance; + + private static final String CREATE_NOTE_TABLE_SQL = + "CREATE TABLE " + TABLE.NOTE + "(" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + + ")"; + + private static final String CREATE_DATA_TABLE_SQL = + "CREATE TABLE " + TABLE.DATA + "(" + + DataColumns.ID + " INTEGER PRIMARY KEY," + + DataColumns.MIME_TYPE + " TEXT NOT NULL," + + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA1 + " INTEGER," + + DataColumns.DATA2 + " INTEGER," + + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + ")"; + + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + "CREATE INDEX IF NOT EXISTS note_id_index ON " + + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; + + /** + * Increase folder's note count when move note to the folder + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_update "+ + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * Decrease folder's note count when move note from folder + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_update " + + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + + " END"; + + /** + * Increase folder's note count when insert new note to the folder + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_insert " + + " AFTER INSERT ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * Decrease folder's note count when delete note from the folder + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0;" + + " END"; + + /** + * Update note's content when insert data with type {@link DataConstants#NOTE} + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = + "CREATE TRIGGER update_note_content_on_insert " + + " AFTER INSERT ON " + TABLE.DATA + + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has changed + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER update_note_content_on_update " + + " AFTER UPDATE ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has deleted + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = + "CREATE TRIGGER update_note_content_on_delete " + + " AFTER delete ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=''" + + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * Delete datas belong to note which has been deleted + */ + private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = + "CREATE TRIGGER delete_data_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.DATA + + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * Delete notes belong to folder which has been deleted + */ + private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = + "CREATE TRIGGER folder_delete_notes_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * Move notes belong to folder which has been moved to trash folder + */ + private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = + "CREATE TRIGGER folder_move_notes_on_trash " + + " AFTER UPDATE ON " + TABLE.NOTE + + " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + public NotesDatabaseHelper(Context context) { + super(context, DB_NAME, null, DB_VERSION); + } + + public void createNoteTable(SQLiteDatabase db) { + db.execSQL(CREATE_NOTE_TABLE_SQL); + //执行CREATE_NOTE_TABLE_SQL语句创建表 + reCreateNoteTableTriggers(db); + //重新创建与note表相关的触发器 + createSystemFolder(db); + //创建系统文件夹相关的记录 + Log.d(TAG, "note table has been created"); + } + + private void reCreateNoteTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); + //首先删除可能存在的旧触发器 + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); + db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); + db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); + db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); + //按照定义的顺序执行创建触发器的 SQL 语句，这些触发器用于处理文件夹中笔记数量的增减、笔记内容的更新以及删除相关操作 + } + + private void createSystemFolder(SQLiteDatabase db) { + ContentValues values = new ContentValues(); + + /** + * call record foler for call notes + */ + values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * root folder which is default folder + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * temporary folder which is used for moving note + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * create trash folder + */ + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + } + + public void createDataTable(SQLiteDatabase db) { + db.execSQL(CREATE_DATA_TABLE_SQL); + reCreateDataTableTriggers(db); + db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); + Log.d(TAG, "data table has been created"); + } + + private void reCreateDataTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); + + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); + } + + static synchronized NotesDatabaseHelper getInstance(Context context) { + if (mInstance == null) { + mInstance = new NotesDatabaseHelper(context); + } + return mInstance; + } + //这是一个静态方法，实现了单例模式。它确保在整个应用程序中只有一个NotesDatabaseHelper实例被创建和使用，避免了多次创建数据库连接对象 + + @Override + public void onCreate(SQLiteDatabase db) { + createNoteTable(db); + createDataTable(db); + } + //在数据库首次创建时被调用，它调用createNoteTable和createDataTable方法分别创建note表和data表 + + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + boolean reCreateTriggers = false; + boolean skipV2 = false; + + if (oldVersion == 1) { + upgradeToV2(db); + skipV2 = true; // this upgrade including the upgrade from v2 to v3 + oldVersion++; + } + + if (oldVersion == 2 && !skipV2) { + upgradeToV3(db); + reCreateTriggers = true; + oldVersion++; + } + + if (oldVersion == 3) { + upgradeToV4(db); + oldVersion++; + } + + if (reCreateTriggers) { + reCreateNoteTableTriggers(db); + reCreateDataTableTriggers(db); + } + + if (oldVersion != newVersion) { + throw new IllegalStateException("Upgrade notes database to version " + newVersion + + "fails"); + } + } + //用于处理数据库升级操作 + private void upgradeToV2(SQLiteDatabase db) { + db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); + db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); + createNoteTable(db); + createDataTable(db); + } + + private void upgradeToV3(SQLiteDatabase db) { + // drop unused triggers + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); + // add a column for gtask id + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID + + " TEXT NOT NULL DEFAULT ''"); + // add a trash system folder + ContentValues values = new ContentValues(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + } + + private void upgradeToV4(SQLiteDatabase db) { + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION + + " INTEGER NOT NULL DEFAULT 0"); + } + }//NotesDatabaseHelper类是一个SQLiteOpenHelper的子类，用于管理与笔记相关的 SQLite 数据库。它负责数据库的创建、升级以及一些与数据库表和触发器相关的操作 + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/data/NotesProvider.java b/src/app/src/main/java/net/micode/notes/data/NotesProvider.java index edb0a60..358ca46 100644 --- a/src/app/src/main/java/net/micode/notes/data/NotesProvider.java +++ b/src/app/src/main/java/net/micode/notes/data/NotesProvider.java @@ -14,292 +14,296 @@ * limitations under the License. */ -package net.micode.notes.data; + package net.micode.notes.data; -import android.app.SearchManager; -import android.content.ContentProvider; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Intent; -import android.content.UriMatcher; -import android.database.Cursor; -import android.database.sqlite.SQLiteDatabase; -import android.net.Uri; -import android.text.TextUtils; -import android.util.Log; - -import net.micode.notes.R; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.NotesDatabaseHelper.TABLE; - - -public class NotesProvider extends ContentProvider { - private static final UriMatcher mMatcher; - - private NotesDatabaseHelper mHelper; - - private static final String TAG = "NotesProvider"; - - private static final int URI_NOTE = 1; - private static final int URI_NOTE_ITEM = 2; - private static final int URI_DATA = 3; - private static final int URI_DATA_ITEM = 4; - - private static final int URI_SEARCH = 5; - private static final int URI_SEARCH_SUGGEST = 6; - - static { - mMatcher = new UriMatcher(UriMatcher.NO_MATCH); - mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); - mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); - mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); - mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); - mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); - mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); - mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); - } - - /** - * x'0A' represents the '\n' character in sqlite. For title and content in the search result, - * we will trim '\n' and white space in order to show more information. - */ - private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," - + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," - + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," - + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," - + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," - + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," - + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; - - private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION - + " FROM " + TABLE.NOTE - + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" - + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER - + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; - - @Override - public boolean onCreate() { - mHelper = NotesDatabaseHelper.getInstance(getContext()); - return true; - } - - @Override - public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, - String sortOrder) { - Cursor c = null; - SQLiteDatabase db = mHelper.getReadableDatabase(); - String id = null; - switch (mMatcher.match(uri)) { - case URI_NOTE: - c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_DATA: - c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_SEARCH: - case URI_SEARCH_SUGGEST: - if (sortOrder != null || projection != null) { - throw new IllegalArgumentException( - "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); - } - - String searchString = null; - if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { - if (uri.getPathSegments().size() > 1) { - searchString = uri.getPathSegments().get(1); - } - } else { - searchString = uri.getQueryParameter("pattern"); - } - - if (TextUtils.isEmpty(searchString)) { - return null; - } - - try { - searchString = String.format("%%%s%%", searchString); - c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, - new String[] { searchString }); - } catch (IllegalStateException ex) { - Log.e(TAG, "got exception: " + ex.toString()); - } - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (c != null) { - c.setNotificationUri(getContext().getContentResolver(), uri); - } - return c; - } - - @Override - public Uri insert(Uri uri, ContentValues values) { - SQLiteDatabase db = mHelper.getWritableDatabase(); - long dataId = 0, noteId = 0, insertedId = 0; - switch (mMatcher.match(uri)) { - case URI_NOTE: - insertedId = noteId = db.insert(TABLE.NOTE, null, values); - break; - case URI_DATA: - if (values.containsKey(DataColumns.NOTE_ID)) { - noteId = values.getAsLong(DataColumns.NOTE_ID); - } else { - Log.d(TAG, "Wrong data format without note id:" + values.toString()); - } - insertedId = dataId = db.insert(TABLE.DATA, null, values); - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - // Notify the note uri - if (noteId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); - } - - // Notify the data uri - if (dataId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); - } - - return ContentUris.withAppendedId(uri, insertedId); - } - - @Override - public int delete(Uri uri, String selection, String[] selectionArgs) { - int count = 0; - String id = null; - SQLiteDatabase db = mHelper.getWritableDatabase(); - boolean deleteData = false; - switch (mMatcher.match(uri)) { - case URI_NOTE: - selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; - count = db.delete(TABLE.NOTE, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - /** - * ID that smaller than 0 is system folder which is not allowed to - * trash - */ - long noteId = Long.valueOf(id); - if (noteId <= 0) { - break; - } - count = db.delete(TABLE.NOTE, - NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.delete(TABLE.DATA, selection, selectionArgs); - deleteData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.delete(TABLE.DATA, - DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - deleteData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (count > 0) { - if (deleteData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - return count; - } - - @Override - public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { - int count = 0; - String id = null; - SQLiteDatabase db = mHelper.getWritableDatabase(); - boolean updateData = false; - switch (mMatcher.match(uri)) { - case URI_NOTE: - increaseNoteVersion(-1, selection, selectionArgs); - count = db.update(TABLE.NOTE, values, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); - count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.update(TABLE.DATA, values, selection, selectionArgs); - updateData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - updateData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - - if (count > 0) { - if (updateData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - return count; - } - - private String parseSelection(String selection) { - return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); - } - - private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { - StringBuilder sql = new StringBuilder(120); - sql.append("UPDATE "); - sql.append(TABLE.NOTE); - sql.append(" SET "); - sql.append(NoteColumns.VERSION); - sql.append("=" + NoteColumns.VERSION + "+1 "); - - if (id > 0 || !TextUtils.isEmpty(selection)) { - sql.append(" WHERE "); - } - if (id > 0) { - sql.append(NoteColumns.ID + "=" + String.valueOf(id)); - } - if (!TextUtils.isEmpty(selection)) { - String selectString = id > 0 ? parseSelection(selection) : selection; - for (String args : selectionArgs) { - selectString = selectString.replaceFirst("\\?", args); - } - sql.append(selectString); - } - - mHelper.getWritableDatabase().execSQL(sql.toString()); - } - - @Override - public String getType(Uri uri) { - // TODO Auto-generated method stub - return null; - } - -} + import android.app.SearchManager; + import android.content.ContentProvider; + import android.content.ContentUris; + import android.content.ContentValues; + import android.content.Intent; + import android.content.UriMatcher; + import android.database.Cursor; + import android.database.sqlite.SQLiteDatabase; + import android.net.Uri; + import android.text.TextUtils; + import android.util.Log; + + import net.micode.notes.R; + import net.micode.notes.data.Notes.DataColumns; + import net.micode.notes.data.Notes.NoteColumns; + import net.micode.notes.data.NotesDatabaseHelper.TABLE; + + + public class NotesProvider extends ContentProvider { + private static final UriMatcher mMatcher; + //1个静态的UriMatcher对象，用于匹配传入的Uri，以便根据不同的Uri执行不同的操作 + private NotesDatabaseHelper mHelper; + //NotesDatabaseHelper类型的对象，用于辅助数据库操作 + private static final String TAG = "NotesProvider"; + //用于日志输出的标签 + private static final int URI_NOTE = 1; + private static final int URI_NOTE_ITEM = 2; + private static final int URI_DATA = 3; + private static final int URI_DATA_ITEM = 4; + + private static final int URI_SEARCH = 5; + private static final int URI_SEARCH_SUGGEST = 6; + + static { + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); + mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); + mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); + }//在静态代码块中初始化mMatcher，将不同的Uri模式与对应的整数值进行匹配，这些模式包括对笔记（note）、数据（data）、搜索（search）和搜索建议（search_suggest）相关的Uri + + /** + * x'0A' represents the '\n' character in sqlite. For title and content in the search result, + * we will trim '\n' and white space in order to show more information. + */ + private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," + + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + + private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + + @Override + public boolean onCreate() { + mHelper = NotesDatabaseHelper.getInstance(getContext()); + return true; + }//在ContentProvider被创建时调用，用于初始化mHelper，通过NotesDatabaseHelper.getInstance(getContext())获取NotesDatabaseHelper的实例 + + @Override + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, + String sortOrder) { + Cursor c = null; + SQLiteDatabase db = mHelper.getReadableDatabase(); + String id = null; + switch (mMatcher.match(uri)) { + //根据mMatcher.match(uri)的结果来判断Uri的类型，然后针对不同类型的Uri在相应的表上执行查询操作 + case URI_NOTE: + c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, + sortOrder); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_DATA: + c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, + sortOrder); + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_SEARCH: + case URI_SEARCH_SUGGEST: + if (sortOrder != null || projection != null) { + throw new IllegalArgumentException( + "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); + } + + String searchString = null; + if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { + if (uri.getPathSegments().size() > 1) { + searchString = uri.getPathSegments().get(1); + } + } else { + searchString = uri.getQueryParameter("pattern"); + } + + if (TextUtils.isEmpty(searchString)) { + return null; + } + + try { + searchString = String.format("%%%s%%", searchString); + c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, + new String[] { searchString }); + } catch (IllegalStateException ex) { + Log.e(TAG, "got exception: " + ex.toString()); + } + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + if (c != null) { + c.setNotificationUri(getContext().getContentResolver(), uri); + }//如果查询结果游标不为空，则设置通知Uri，以便在数据发生变化时通知相关的监听器 + return c; + }//根据传入的Uri执行查询操作 + + @Override + public Uri insert(Uri uri, ContentValues values) { + SQLiteDatabase db = mHelper.getWritableDatabase(); + long dataId = 0, noteId = 0, insertedId = 0; + switch (mMatcher.match(uri)) { + case URI_NOTE: + insertedId = noteId = db.insert(TABLE.NOTE, null, values); + break; + case URI_DATA: + if (values.containsKey(DataColumns.NOTE_ID)) { + noteId = values.getAsLong(DataColumns.NOTE_ID); + } else { + Log.d(TAG, "Wrong data format without note id:" + values.toString()); + } + insertedId = dataId = db.insert(TABLE.DATA, null, values); + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + }//根据mMatcher.match(uri)的结果判断Uri的类型，如果是URI_NOTE，则向note表插入数据；如果是URI_DATA，则向data表插入数据 + // Notify the note uri + if (noteId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); + } + + // Notify the data uri + if (dataId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); + } + //在插入数据后，根据插入的记录 ID（noteId或dataId）通知相关的Uri（Notes.CONTENT_NOTE_URI或Notes.CONTENT_DATA_URI）数据发生了变化 + return ContentUris.withAppendedId(uri, insertedId); + }//根据传入的Uri执行插入操作 + + @Override + public int delete(Uri uri, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean deleteData = false; + switch (mMatcher.match(uri)) { + case URI_NOTE: + selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; + count = db.delete(TABLE.NOTE, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + /** + * ID that smaller than 0 is system folder which is not allowed to + * trash + */ + long noteId = Long.valueOf(id); + if (noteId <= 0) { + break; + } + count = db.delete(TABLE.NOTE, + NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + count = db.delete(TABLE.DATA, selection, selectionArgs); + deleteData = true; + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + count = db.delete(TABLE.DATA, + DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + deleteData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + }//根据mMatcher.match(uri)的结果判断Uri的类型，然后在相应的表（TABLE.NOTE或TABLE.DATA）上执行删除操作 + if (count > 0) { + if (deleteData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + }//对于删除操作，如果删除的行数大于 0，则根据情况通知相关的Uri（Notes.CONTENT_NOTE_URI或uri本身）数据发生了变化 + return count; + }//根据传入的Uri执行删除操作 + + @Override + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean updateData = false; + switch (mMatcher.match(uri)) { + case URI_NOTE: + increaseNoteVersion(-1, selection, selectionArgs); + count = db.update(TABLE.NOTE, values, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); + increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); + count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + count = db.update(TABLE.DATA, values, selection, selectionArgs); + updateData = true; + break; + case URI_DATA_ITEM: + id = uri.getPathSegments().get(1); + count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + updateData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + }//根据mMatcher.match(uri)的结果判断Uri的类型，然后在相应的表（TABLE.NOTE或TABLE.DATA）上执行更新操作 + + if (count > 0) { + if (updateData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + }//如果更新的行数大于 0，则根据情况通知相关的Uri（Notes.CONTENT_NOTE_URI或uri本身）数据发生了变化 + return count; + }//根据传入的Uri执行更新操作 + + private String parseSelection(String selection) { + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); + }//用于解析查询条件字符串，如果原始的查询条件字符串不为空，则在前面添加AND并加上括号，以便在查询语句中正确使用 + + private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + StringBuilder sql = new StringBuilder(120); + sql.append("UPDATE "); + sql.append(TABLE.NOTE); + sql.append(" SET "); + sql.append(NoteColumns.VERSION); + sql.append("=" + NoteColumns.VERSION + "+1 "); + //构建一个SQL语句，根据传入的id和查询条件（selection）来更新note表中的version列。 + if (id > 0 || !TextUtils.isEmpty(selection)) { + sql.append(" WHERE "); + } + if (id > 0) { + sql.append(NoteColumns.ID + "=" + String.valueOf(id)); + } + + if (!TextUtils.isEmpty(selection)) { + String selectString = id > 0 ? parseSelection(selection) : selection; + for (String args : selectionArgs) { + selectString = selectString.replaceFirst("\\?", args); + } + sql.append(selectString); + } + + mHelper.getWritableDatabase().execSQL(sql.toString()); + //通过mHelper.getWritableDatabase().execSQL执行构建的SQL语句 + }//用于增加笔记的版本号 + + @Override + public String getType(Uri uri) { + // TODO Auto-generated method stub + return null; + } + + }//负责处理与笔记相关的数据的查询、插入、删除和更新操作，并通过UriMatcher来匹配不同的Uri以执行相应的操作 + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/model/Note.java b/src/app/src/main/java/net/micode/notes/model/Note.java index 6706cf6..170eb42 100644 --- a/src/app/src/main/java/net/micode/notes/model/Note.java +++ b/src/app/src/main/java/net/micode/notes/model/Note.java @@ -14,240 +14,247 @@ * limitations under the License. */ -package net.micode.notes.model; -import android.content.ContentProviderOperation; -import android.content.ContentProviderResult; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Context; -import android.content.OperationApplicationException; -import android.net.Uri; -import android.os.RemoteException; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.CallNote; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.Notes.TextNote; - -import java.util.ArrayList; - - -public class Note { - private ContentValues mNoteDiffValues; - private NoteData mNoteData; - private static final String TAG = "Note"; - /** - * Create a new note id for adding a new note to databases - */ - public static synchronized long getNewNoteId(Context context, long folderId) { - // Create a new note in the database - ContentValues values = new ContentValues(); - long createdTime = System.currentTimeMillis(); - values.put(NoteColumns.CREATED_DATE, createdTime); - values.put(NoteColumns.MODIFIED_DATE, createdTime); - values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); - values.put(NoteColumns.LOCAL_MODIFIED, 1); - values.put(NoteColumns.PARENT_ID, folderId); - Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); - - long noteId = 0; - try { - noteId = Long.valueOf(uri.getPathSegments().get(1)); - } catch (NumberFormatException e) { - Log.e(TAG, "Get note id error :" + e.toString()); - noteId = 0; - } - if (noteId == -1) { - throw new IllegalStateException("Wrong note id:" + noteId); - } - return noteId; - } - - public Note() { - mNoteDiffValues = new ContentValues(); - mNoteData = new NoteData(); - } - - public void setNoteValue(String key, String value) { - mNoteDiffValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - } - - public void setTextData(String key, String value) { - mNoteData.setTextData(key, value); - } - - public void setTextDataId(long id) { - mNoteData.setTextDataId(id); - } - - public long getTextDataId() { - return mNoteData.mTextDataId; - } - - public void setCallDataId(long id) { - mNoteData.setCallDataId(id); - } - - public void setCallData(String key, String value) { - mNoteData.setCallData(key, value); - } - - public boolean isLocalModified() { - return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); - } - - public boolean syncNote(Context context, long noteId) { - if (noteId <= 0) { - throw new IllegalArgumentException("Wrong note id:" + noteId); - } - - if (!isLocalModified()) { - return true; - } - - /** - * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and - * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the - * note data info - */ - if (context.getContentResolver().update( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null, - null) == 0) { - Log.e(TAG, "Update note error, should not happen"); - // Do not return, fall through - } - mNoteDiffValues.clear(); - - if (mNoteData.isLocalModified() - && (mNoteData.pushIntoContentResolver(context, noteId) == null)) { - return false; - } - - return true; - } - - private class NoteData { - private long mTextDataId; - - private ContentValues mTextDataValues; - - private long mCallDataId; - - private ContentValues mCallDataValues; - - private static final String TAG = "NoteData"; - - public NoteData() { - mTextDataValues = new ContentValues(); - mCallDataValues = new ContentValues(); - mTextDataId = 0; - mCallDataId = 0; - } - - boolean isLocalModified() { - return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; - } - - void setTextDataId(long id) { - if(id <= 0) { - throw new IllegalArgumentException("Text data id should larger than 0"); - } - mTextDataId = id; - } - - void setCallDataId(long id) { - if (id <= 0) { - throw new IllegalArgumentException("Call data id should larger than 0"); - } - mCallDataId = id; - } - - void setCallData(String key, String value) { - mCallDataValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - } - - void setTextData(String key, String value) { - mTextDataValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - } - - Uri pushIntoContentResolver(Context context, long noteId) { - /** - * Check for safety - */ - if (noteId <= 0) { - throw new IllegalArgumentException("Wrong note id:" + noteId); - } - - ArrayList operationList = new ArrayList(); - ContentProviderOperation.Builder builder = null; - - if(mTextDataValues.size() > 0) { - mTextDataValues.put(DataColumns.NOTE_ID, noteId); - if (mTextDataId == 0) { - mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); - Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, - mTextDataValues); - try { - setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); - } catch (NumberFormatException e) { - Log.e(TAG, "Insert new text data fail with noteId" + noteId); - mTextDataValues.clear(); - return null; - } - } else { - builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mTextDataId)); - builder.withValues(mTextDataValues); - operationList.add(builder.build()); - } - mTextDataValues.clear(); - } - - if(mCallDataValues.size() > 0) { - mCallDataValues.put(DataColumns.NOTE_ID, noteId); - if (mCallDataId == 0) { - mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); - Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, - mCallDataValues); - try { - setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); - } catch (NumberFormatException e) { - Log.e(TAG, "Insert new call data fail with noteId" + noteId); - mCallDataValues.clear(); - return null; - } - } else { - builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( - Notes.CONTENT_DATA_URI, mCallDataId)); - builder.withValues(mCallDataValues); - operationList.add(builder.build()); - } - mCallDataValues.clear(); - } - - if (operationList.size() > 0) { - try { - ContentProviderResult[] results = context.getContentResolver().applyBatch( - Notes.AUTHORITY, operationList); - return (results == null || results.length == 0 || results[0] == null) ? null - : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId); - } catch (RemoteException e) { - Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); - return null; - } catch (OperationApplicationException e) { - Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); - return null; - } - } - return null; - } - } -} + package net.micode.notes.model; + import android.content.ContentProviderOperation; + import android.content.ContentProviderResult; + import android.content.ContentUris; + import android.content.ContentValues; + import android.content.Context; + import android.content.OperationApplicationException; + import android.net.Uri; + import android.os.RemoteException; + import android.util.Log; + + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.CallNote; + import net.micode.notes.data.Notes.DataColumns; + import net.micode.notes.data.Notes.NoteColumns; + import net.micode.notes.data.Notes.TextNote; + + import java.util.ArrayList; + + + public class Note { + private ContentValues mNoteDiffValues; + //一个ContentValues对象，用于存储笔记的基本信息（如创建日期、修改日期、类型等）的变化 + private NoteData mNoteData; + //NoteData类型的对象，用于处理笔记中的数据相关信息 + private static final String TAG = "Note"; + //用于日志输出的标签 + /** + * Create a new note id for adding a new note to databases + */ + public static synchronized long getNewNoteId(Context context, long folderId) { + // Create a new note in the database + ContentValues values = new ContentValues(); + long createdTime = System.currentTimeMillis(); + values.put(NoteColumns.CREATED_DATE, createdTime); + values.put(NoteColumns.MODIFIED_DATE, createdTime); + values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); + values.put(NoteColumns.LOCAL_MODIFIED, 1); + values.put(NoteColumns.PARENT_ID, folderId); + //创建一个ContentValues对象，设置一些默认的笔记信息（如创建时间、修改时间、类型、是否本地修改以及父文件夹 ID 等） + Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); + //通过context.getContentResolver().insert方法将这些信息插入到数据库中，并获取插入后的Uri + long noteId = 0; + try { + noteId = Long.valueOf(uri.getPathSegments().get(1)); + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + noteId = 0; + } + if (noteId == -1) { + throw new IllegalStateException("Wrong note id:" + noteId); + }//从Uri中提取出笔记 ID，如果提取过程中发生NumberFormatException或者笔记 ID 为 -1，则抛出异常或者记录错误信息 + return noteId; + }//用于创建一个新的笔记 ID + + public Note() { + mNoteDiffValues = new ContentValues(); + mNoteData = new NoteData(); + } + + public void setNoteValue(String key, String value) { + mNoteDiffValues.put(key, value); + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); + //将传入的键值对放入mNoteDiffValues中，并同时设置LOCAL_MODIFIED和MODIFIED_DATE，表示笔记已被本地修改以及修改的时间 + }//用于设置笔记的基本信息 + + public void setTextData(String key, String value) { + mNoteData.setTextData(key, value); + }//用于设置笔记中的文本数据 + + public void setTextDataId(long id) { + mNoteData.setTextDataId(id); + } + + public long getTextDataId() { + return mNoteData.mTextDataId; + } + + public void setCallDataId(long id) { + mNoteData.setCallDataId(id); + } + + public void setCallData(String key, String value) { + mNoteData.setCallData(key, value); + } + //用于设置笔记中的通话数据 + + public boolean isLocalModified() { + return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); + }//用于判断笔记是否被本地修改 + + public boolean syncNote(Context context, long noteId) { + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); + } + + if (!isLocalModified()) { + return true; + } + + /** + * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and + * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the + * note data info + */ + if (context.getContentResolver().update( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null, + null) == 0) { + Log.e(TAG, "Update note error, should not happen"); + // Do not return, fall through + } + mNoteDiffValues.clear(); + + if (mNoteData.isLocalModified() + && (mNoteData.pushIntoContentResolver(context, noteId) == null)) { + return false; + } + + return true; + }//用于同步笔记 + + private class NoteData { + private long mTextDataId;//存储文本数据 ID + + private ContentValues mTextDataValues; + + private long mCallDataId; + + private ContentValues mCallDataValues; + + private static final String TAG = "NoteData"; + + public NoteData() { + mTextDataValues = new ContentValues(); + mCallDataValues = new ContentValues(); + mTextDataId = 0; + mCallDataId = 0; + } + + boolean isLocalModified() { + return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; + } + + void setTextDataId(long id) { + if(id <= 0) { + throw new IllegalArgumentException("Text data id should larger than 0"); + } + mTextDataId = id; + } + + void setCallDataId(long id) { + if (id <= 0) { + throw new IllegalArgumentException("Call data id should larger than 0"); + } + mCallDataId = id; + } + + void setCallData(String key, String value) { + mCallDataValues.put(key, value); + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); + } + + void setTextData(String key, String value) { + mTextDataValues.put(key, value); + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); + } + + Uri pushIntoContentResolver(Context context, long noteId) { + /** + * Check for safety + */ + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); + } + + ArrayList operationList = new ArrayList(); + ContentProviderOperation.Builder builder = null; + + if(mTextDataValues.size() > 0) { + mTextDataValues.put(DataColumns.NOTE_ID, noteId); + if (mTextDataId == 0) { + mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, + mTextDataValues); + try { + setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); + } catch (NumberFormatException e) { + Log.e(TAG, "Insert new text data fail with noteId" + noteId); + mTextDataValues.clear(); + return null; + } + } else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mTextDataId)); + builder.withValues(mTextDataValues); + operationList.add(builder.build()); + } + mTextDataValues.clear(); + } + + if(mCallDataValues.size() > 0) { + mCallDataValues.put(DataColumns.NOTE_ID, noteId); + if (mCallDataId == 0) { + mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, + mCallDataValues); + try { + setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); + } catch (NumberFormatException e) { + Log.e(TAG, "Insert new call data fail with noteId" + noteId); + mCallDataValues.clear(); + return null; + } + } else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mCallDataId)); + builder.withValues(mCallDataValues); + operationList.add(builder.build()); + } + mCallDataValues.clear(); + } + + if (operationList.size() > 0) { + try { + ContentProviderResult[] results = context.getContentResolver().applyBatch( + Notes.AUTHORITY, operationList); + return (results == null || results.length == 0 || results[0] == null) ? null + : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId); + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } + } + return null; + } + }//用于处理笔记中的数据相关操作 + } + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/model/WorkingNote.java b/src/app/src/main/java/net/micode/notes/model/WorkingNote.java index be081e4..9679b29 100644 --- a/src/app/src/main/java/net/micode/notes/model/WorkingNote.java +++ b/src/app/src/main/java/net/micode/notes/model/WorkingNote.java @@ -14,355 +14,356 @@ * limitations under the License. */ -package net.micode.notes.model; - -import android.appwidget.AppWidgetManager; -import android.content.ContentUris; -import android.content.Context; -import android.database.Cursor; -import android.text.TextUtils; -import android.util.Log; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.CallNote; -import net.micode.notes.data.Notes.DataColumns; -import net.micode.notes.data.Notes.DataConstants; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.data.Notes.TextNote; -import net.micode.notes.tool.ResourceParser.NoteBgResources; - - -public class WorkingNote { - // Note for the working note - private Note mNote; - // Note Id - private long mNoteId; - // Note content - private String mContent; - // Note mode - private int mMode; - - private long mAlertDate; - - private long mModifiedDate; - - private int mBgColorId; - - private int mWidgetId; - - private int mWidgetType; - - private long mFolderId; - - private Context mContext; - - private static final String TAG = "WorkingNote"; - - private boolean mIsDeleted; - - private NoteSettingChangedListener mNoteSettingStatusListener; - - public static final String[] DATA_PROJECTION = new String[] { - DataColumns.ID, - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, - }; - - public static final String[] NOTE_PROJECTION = new String[] { - NoteColumns.PARENT_ID, - NoteColumns.ALERTED_DATE, - NoteColumns.BG_COLOR_ID, - NoteColumns.WIDGET_ID, - NoteColumns.WIDGET_TYPE, - NoteColumns.MODIFIED_DATE - }; - - private static final int DATA_ID_COLUMN = 0; - - private static final int DATA_CONTENT_COLUMN = 1; - - private static final int DATA_MIME_TYPE_COLUMN = 2; - - private static final int DATA_MODE_COLUMN = 3; - - private static final int NOTE_PARENT_ID_COLUMN = 0; - - private static final int NOTE_ALERTED_DATE_COLUMN = 1; - - private static final int NOTE_BG_COLOR_ID_COLUMN = 2; - - private static final int NOTE_WIDGET_ID_COLUMN = 3; - - private static final int NOTE_WIDGET_TYPE_COLUMN = 4; - - private static final int NOTE_MODIFIED_DATE_COLUMN = 5; - - // New note construct - private WorkingNote(Context context, long folderId) { - mContext = context; - mAlertDate = 0; - mModifiedDate = System.currentTimeMillis(); - mFolderId = folderId; - mNote = new Note(); - mNoteId = 0; - mIsDeleted = false; - mMode = 0; - mWidgetType = Notes.TYPE_WIDGET_INVALIDE; - } - - // Existing note construct - private WorkingNote(Context context, long noteId, long folderId) { - mContext = context; - mNoteId = noteId; - mFolderId = folderId; - mIsDeleted = false; - mNote = new Note(); - loadNote(); - } - - private void loadNote() { - Cursor cursor = mContext.getContentResolver().query( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, - null, null); - - if (cursor != null) { - if (cursor.moveToFirst()) { - mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); - mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); - mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); - mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN); - mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN); - mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); - } - cursor.close(); - } else { - Log.e(TAG, "No note with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note with id " + mNoteId); - } - loadNoteData(); - } - - private void loadNoteData() { - Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, - DataColumns.NOTE_ID + "=?", new String[] { - String.valueOf(mNoteId) - }, null); - - if (cursor != null) { - if (cursor.moveToFirst()) { - do { - String type = cursor.getString(DATA_MIME_TYPE_COLUMN); - if (DataConstants.NOTE.equals(type)) { - mContent = cursor.getString(DATA_CONTENT_COLUMN); - mMode = cursor.getInt(DATA_MODE_COLUMN); - mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN)); - } else if (DataConstants.CALL_NOTE.equals(type)) { - mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); - } else { - Log.d(TAG, "Wrong note type with type:" + type); - } - } while (cursor.moveToNext()); - } - cursor.close(); - } else { - Log.e(TAG, "No data with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); - } - } - - public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, - int widgetType, int defaultBgColorId) { - WorkingNote note = new WorkingNote(context, folderId); - note.setBgColorId(defaultBgColorId); - note.setWidgetId(widgetId); - note.setWidgetType(widgetType); - return note; - } - - public static WorkingNote load(Context context, long id) { - return new WorkingNote(context, id, 0); - } - - public synchronized boolean saveNote() { - if (isWorthSaving()) { - if (!existInDatabase()) { - if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { - Log.e(TAG, "Create new note fail with id:" + mNoteId); - return false; - } - } - - mNote.syncNote(mContext, mNoteId); - - /** - * Update widget content if there exist any widget of this note - */ - if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID - && mWidgetType != Notes.TYPE_WIDGET_INVALIDE - && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); - } - return true; - } else { - return false; - } - } - - public boolean existInDatabase() { - return mNoteId > 0; - } - - private boolean isWorthSaving() { - if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) - || (existInDatabase() && !mNote.isLocalModified())) { - return false; - } else { - return true; - } - } - - public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { - mNoteSettingStatusListener = l; - } - - public void setAlertDate(long date, boolean set) { - if (date != mAlertDate) { - mAlertDate = date; - mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); - } - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onClockAlertChanged(date, set); - } - } - - public void markDeleted(boolean mark) { - mIsDeleted = mark; - if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID - && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); - } - } - - public void setBgColorId(int id) { - if (id != mBgColorId) { - mBgColorId = id; - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onBackgroundColorChanged(); - } - mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); - } - } - - public void setCheckListMode(int mode) { - if (mMode != mode) { - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); - } - mMode = mode; - mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); - } - } - - public void setWidgetType(int type) { - if (type != mWidgetType) { - mWidgetType = type; - mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); - } - } - - public void setWidgetId(int id) { - if (id != mWidgetId) { - mWidgetId = id; - mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); - } - } - - public void setWorkingText(String text) { - if (!TextUtils.equals(mContent, text)) { - mContent = text; - mNote.setTextData(DataColumns.CONTENT, mContent); - } - } - - public void convertToCallNote(String phoneNumber, long callDate) { - mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); - mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); - mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); - } - - public boolean hasClockAlert() { - return (mAlertDate > 0 ? true : false); - } - - public String getContent() { - return mContent; - } - - public long getAlertDate() { - return mAlertDate; - } - - public long getModifiedDate() { - return mModifiedDate; - } - - public int getBgColorResId() { - return NoteBgResources.getNoteBgResource(mBgColorId); - } - - public int getBgColorId() { - return mBgColorId; - } - - public int getTitleBgResId() { - return NoteBgResources.getNoteTitleBgResource(mBgColorId); - } - - public int getCheckListMode() { - return mMode; - } - - public long getNoteId() { - return mNoteId; - } - - public long getFolderId() { - return mFolderId; - } - - public int getWidgetId() { - return mWidgetId; - } - - public int getWidgetType() { - return mWidgetType; - } - - public interface NoteSettingChangedListener { - /** - * Called when the background color of current note has just changed - */ - void onBackgroundColorChanged(); - - /** - * Called when user set clock - */ - void onClockAlertChanged(long date, boolean set); - - /** - * Call when user create note from widget - */ - void onWidgetChanged(); - - /** - * Call when switch between check list mode and normal mode - * @param oldMode is previous mode before change - * @param newMode is new mode - */ - void onCheckListModeChanged(int oldMode, int newMode); - } -} + package net.micode.notes.model; + + import android.appwidget.AppWidgetManager; + import android.content.ContentUris; + import android.content.Context; + import android.database.Cursor; + import android.text.TextUtils; + import android.util.Log; + + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.CallNote; + import net.micode.notes.data.Notes.DataColumns; + import net.micode.notes.data.Notes.DataConstants; + import net.micode.notes.data.Notes.NoteColumns; + import net.micode.notes.data.Notes.TextNote; + import net.micode.notes.tool.ResourceParser.NoteBgResources; + + + public class WorkingNote { + // Note for the working note + private Note mNote; + // Note Id + private long mNoteId; + // Note content + private String mContent; + // Note mode + private int mMode; + + private long mAlertDate; + + private long mModifiedDate; + + private int mBgColorId; + + private int mWidgetId; + + private int mWidgetType; + + private long mFolderId; + + private Context mContext; + + private static final String TAG = "WorkingNote"; + + private boolean mIsDeleted; + + private NoteSettingChangedListener mNoteSettingStatusListener; + + public static final String[] DATA_PROJECTION = new String[] { + DataColumns.ID, + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + public static final String[] NOTE_PROJECTION = new String[] { + NoteColumns.PARENT_ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, + NoteColumns.MODIFIED_DATE + }; + + private static final int DATA_ID_COLUMN = 0; + + private static final int DATA_CONTENT_COLUMN = 1; + + private static final int DATA_MIME_TYPE_COLUMN = 2; + + private static final int DATA_MODE_COLUMN = 3; + + private static final int NOTE_PARENT_ID_COLUMN = 0; + + private static final int NOTE_ALERTED_DATE_COLUMN = 1; + + private static final int NOTE_BG_COLOR_ID_COLUMN = 2; + + private static final int NOTE_WIDGET_ID_COLUMN = 3; + + private static final int NOTE_WIDGET_TYPE_COLUMN = 4; + + private static final int NOTE_MODIFIED_DATE_COLUMN = 5; + + // New note construct + private WorkingNote(Context context, long folderId) { + mContext = context; + mAlertDate = 0; + mModifiedDate = System.currentTimeMillis(); + mFolderId = folderId; + mNote = new Note(); + mNoteId = 0; + mIsDeleted = false; + mMode = 0; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + } + //用于新建笔记，初始化了一些默认值，并创建了一个新的Note对象。 + // Existing note construct + private WorkingNote(Context context, long noteId, long folderId) { + mContext = context; + mNoteId = noteId; + mFolderId = folderId; + mIsDeleted = false; + mNote = new Note(); + loadNote(); + }//用于加载已存在的笔记，通过查询数据库加载笔记的属性和数据。 + + private void loadNote() { + Cursor cursor = mContext.getContentResolver().query( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, + null, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); + mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); + mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN); + mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN); + mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); + } + cursor.close(); + } else { + Log.e(TAG, "No note with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note with id " + mNoteId); + } + loadNoteData(); + }//用于加载笔记的基本属性，如父文件夹 ID、提醒日期、背景颜色等。 + + private void loadNoteData() { + Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, + DataColumns.NOTE_ID + "=?", new String[] { + String.valueOf(mNoteId) + }, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + do { + String type = cursor.getString(DATA_MIME_TYPE_COLUMN); + if (DataConstants.NOTE.equals(type)) { + mContent = cursor.getString(DATA_CONTENT_COLUMN); + mMode = cursor.getInt(DATA_MODE_COLUMN); + mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN)); + } else if (DataConstants.CALL_NOTE.equals(type)) { + mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); + } else { + Log.d(TAG, "Wrong note type with type:" + type); + } + } while (cursor.moveToNext()); + } + cursor.close(); + } else { + Log.e(TAG, "No data with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); + } + }//用于加载笔记的数据，包括笔记内容和模式等 + + public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, + int widgetType, int defaultBgColorId) { + WorkingNote note = new WorkingNote(context, folderId); + note.setBgColorId(defaultBgColorId); + note.setWidgetId(widgetId); + note.setWidgetType(widgetType); + return note; + } + + public static WorkingNote load(Context context, long id) { + return new WorkingNote(context, id, 0); + } + + public synchronized boolean saveNote() { + if (isWorthSaving()) { + if (!existInDatabase()) { + if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { + Log.e(TAG, "Create new note fail with id:" + mNoteId); + return false; + } + } + + mNote.syncNote(mContext, mNoteId); + + /** + * Update widget content if there exist any widget of this note + */ + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE + && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + return true; + } else { + return false; + } + }//判断笔记是否值得保存，如果值得保存则将笔记保存到数据库。如果笔记是新创建的，会获取一个新的笔记 ID。保存成功后，如果有相关的小部件，会通知监听器更新小部件内容 + + public boolean existInDatabase() { + return mNoteId > 0; + } + + private boolean isWorthSaving() { + if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) + || (existInDatabase() && !mNote.isLocalModified())) { + return false; + } else { + return true; + } + } + + public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { + mNoteSettingStatusListener = l; + } + + public void setAlertDate(long date, boolean set) { + if (date != mAlertDate) { + mAlertDate = date; + mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); + } + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onClockAlertChanged(date, set); + } + } + + public void markDeleted(boolean mark) { + mIsDeleted = mark; + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + } + + public void setBgColorId(int id) { + if (id != mBgColorId) { + mBgColorId = id; + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onBackgroundColorChanged(); + } + mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); + } + } + + public void setCheckListMode(int mode) { + if (mMode != mode) { + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); + } + mMode = mode; + mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); + } + } + + public void setWidgetType(int type) { + if (type != mWidgetType) { + mWidgetType = type; + mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); + } + } + + public void setWidgetId(int id) { + if (id != mWidgetId) { + mWidgetId = id; + mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); + } + } + + public void setWorkingText(String text) { + if (!TextUtils.equals(mContent, text)) { + mContent = text; + mNote.setTextData(DataColumns.CONTENT, mContent); + } + } + + public void convertToCallNote(String phoneNumber, long callDate) { + mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); + mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); + mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); + } + + public boolean hasClockAlert() { + return (mAlertDate > 0 ? true : false); + } + + public String getContent() { + return mContent; + } + + public long getAlertDate() { + return mAlertDate; + } + + public long getModifiedDate() { + return mModifiedDate; + } + + public int getBgColorResId() { + return NoteBgResources.getNoteBgResource(mBgColorId); + } + + public int getBgColorId() { + return mBgColorId; + } + + public int getTitleBgResId() { + return NoteBgResources.getNoteTitleBgResource(mBgColorId); + } + + public int getCheckListMode() { + return mMode; + } + + public long getNoteId() { + return mNoteId; + } + + public long getFolderId() { + return mFolderId; + } + + public int getWidgetId() { + return mWidgetId; + } + + public int getWidgetType() { + return mWidgetType; + } + + public interface NoteSettingChangedListener { + /** + * Called when the background color of current note has just changed + */ + void onBackgroundColorChanged(); + + /** + * Called when user set clock + */ + void onClockAlertChanged(long date, boolean set); + + /** + * Call when user create note from widget + */ + void onWidgetChanged(); + + /** + * Call when switch between check list mode and normal mode + * @param oldMode is previous mode before change + * @param newMode is new mode + */ + void onCheckListModeChanged(int oldMode, int newMode); + } + } + \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java b/src/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java index 85723be..4866e64 100644 --- a/src/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java +++ b/src/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java @@ -14,145 +14,171 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.app.Activity; -import android.app.AlertDialog; -import android.content.Context; -import android.content.DialogInterface; -import android.content.DialogInterface.OnClickListener; -import android.content.DialogInterface.OnDismissListener; -import android.content.Intent; -import android.media.AudioManager; -import android.media.MediaPlayer; -import android.media.RingtoneManager; -import android.net.Uri; -import android.os.Bundle; -import android.os.PowerManager; -import android.provider.Settings; -import android.view.Window; -import android.view.WindowManager; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.tool.DataUtils; - -import java.io.IOException; - - -public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { - private long mNoteId; - private String mSnippet; - private static final int SNIPPET_PREW_MAX_LEN = 60; - MediaPlayer mPlayer; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - requestWindowFeature(Window.FEATURE_NO_TITLE); - - final Window win = getWindow(); - win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); - - if (!isScreenOn()) { - win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON - | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON - | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON - | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); - } - - Intent intent = getIntent(); - - try { - mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); - mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); - mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, - SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) - : mSnippet; - } catch (IllegalArgumentException e) { - e.printStackTrace(); - return; - } - - mPlayer = new MediaPlayer(); - if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { - showActionDialog(); - playAlarmSound(); - } else { - finish(); - } - } - - private boolean isScreenOn() { - PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); - return pm.isScreenOn(); - } - - private void playAlarmSound() { - Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); - - int silentModeStreams = Settings.System.getInt(getContentResolver(), - Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); - - if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { - mPlayer.setAudioStreamType(silentModeStreams); - } else { - mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); - } - try { - mPlayer.setDataSource(this, url); - mPlayer.prepare(); - mPlayer.setLooping(true); - mPlayer.start(); - } catch (IllegalArgumentException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (SecurityException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (IllegalStateException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (IOException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - } - - private void showActionDialog() { - AlertDialog.Builder dialog = new AlertDialog.Builder(this); - dialog.setTitle(R.string.app_name); - dialog.setMessage(mSnippet); - dialog.setPositiveButton(R.string.notealert_ok, this); - if (isScreenOn()) { - dialog.setNegativeButton(R.string.notealert_enter, this); - } - dialog.show().setOnDismissListener(this); - } - - public void onClick(DialogInterface dialog, int which) { - switch (which) { - case DialogInterface.BUTTON_NEGATIVE: - Intent intent = new Intent(this, NoteEditActivity.class); - intent.setAction(Intent.ACTION_VIEW); - intent.putExtra(Intent.EXTRA_UID, mNoteId); - startActivity(intent); - break; - default: - break; - } - } - - public void onDismiss(DialogInterface dialog) { - stopAlarmSound(); - finish(); - } - - private void stopAlarmSound() { - if (mPlayer != null) { - mPlayer.stop(); - mPlayer.release(); - mPlayer = null; - } - } -} + package net.micode.notes.ui; + + import android.app.Activity; + import android.app.AlertDialog; + import android.content.Context; + import android.content.DialogInterface; + import android.content.DialogInterface.OnClickListener; + import android.content.DialogInterface.OnDismissListener; + import android.content.Intent; + import android.media.AudioManager; + import android.media.MediaPlayer; + import android.media.RingtoneManager; + import android.net.Uri; + import android.os.Bundle; + import android.os.PowerManager; + import android.provider.Settings; + import android.view.Window; + import android.view.WindowManager; + + import net.micode.notes.R; + import net.micode.notes.data.Notes; + import net.micode.notes.tool.DataUtils; + + import java.io.IOException; + + + // 定义一个名为 AlarmAlertActivity 的类，继承自 Activity，并实现了 OnClickListener 和 OnDismissListener 接口 + public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { + // 存储笔记的 ID + private long mNoteId; + // 存储笔记的片段内容 + private String mSnippet; + // 定义一个常量，表示片段预览的最大长度 + private static final int SNIPPET_PREW_MAX_LEN = 60; + // 媒体播放器对象 + MediaPlayer mPlayer; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + // 请求无标题栏的窗口特征 + requestWindowFeature(Window.FEATURE_NO_TITLE); + + final Window win = getWindow(); + // 设置窗口标志，使其在锁定时显示 + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + if (!isScreenOn()) { + // 如果屏幕未点亮，设置一系列窗口标志以保持屏幕常亮、点亮屏幕等 + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + } + + Intent intent = getIntent(); + + try { + // 从 Intent 的数据路径中获取笔记 ID，并转换为长整型 + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + // 根据笔记 ID 获取片段内容 + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + // 如果片段内容长度大于最大长度，截取并添加提示信息，否则保持不变 + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet; + } catch (IllegalArgumentException e) { + // 打印异常信息 + e.printStackTrace(); + return; + } + + mPlayer = new MediaPlayer(); + // 如果笔记在数据库中可见且类型为 Notes.TYPE_NOTE + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + // 显示操作对话框 + showActionDialog(); + // 播放闹钟声音 + playAlarmSound(); + } else { + // 如果不满足条件，结束活动 + finish(); + } + } + + // 判断屏幕是否点亮的方法 + private boolean isScreenOn() { + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + // 播放闹钟声音的方法 + private void playAlarmSound() { + // 获取系统默认的闹钟铃声 Uri + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); + + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM))!= 0) { + // 根据系统设置设置媒体播放器的音频流类型 + mPlayer.setAudioStreamType(silentModeStreams); + } else { + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + // 设置数据源、准备播放、设置循环播放并开始播放 + mPlayer.setDataSource(this, url); + mPlayer.prepare(); + mPlayer.setLooping(true); + mPlayer.start(); + } catch (IllegalArgumentException e) { + // 打印非法参数异常信息 + e.printStackTrace(); + } catch (SecurityException e) { + // 打印安全异常信息 + e.printStackTrace(); + } catch (IllegalStateException e) { + // 打印非法状态异常信息 + e.printStackTrace(); + } catch (IOException e) { + // 打印输入输出异常信息 + e.printStackTrace(); + } + } + + // 显示操作对话框的方法 + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.app_name); + dialog.setMessage(mSnippet); + dialog.setPositiveButton(R.string.notealert_ok, this); + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + } + // 显示对话框并设置其消失监听器 + dialog.show().setOnDismissListener(this); + } + + // 实现 OnClickListener 接口的方法，处理对话框按钮点击事件 + public void onClick(DialogInterface dialog, int which) { + switch (which) { + case DialogInterface.BUTTON_NEGATIVE: + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, mNoteId); + startActivity(intent); + break; + default: + break; + } + } + + // 实现 OnDismissListener 接口的方法，处理对话框消失事件 + public void onDismiss(DialogInterface dialog) { + stopAlarmSound(); + finish(); + } + + // 停止闹钟声音的方法 + private void stopAlarmSound() { + if (mPlayer!= null) { + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; + } + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/src/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java index f221202..cb681d6 100644 --- a/src/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java +++ b/src/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java @@ -14,52 +14,63 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import android.app.AlarmManager; -import android.app.PendingIntent; -import android.content.BroadcastReceiver; -import android.content.ContentUris; -import android.content.Context; -import android.content.Intent; -import android.database.Cursor; - -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; - - -public class AlarmInitReceiver extends BroadcastReceiver { - - private static final String [] PROJECTION = new String [] { - NoteColumns.ID, - NoteColumns.ALERTED_DATE - }; - - private static final int COLUMN_ID = 0; - private static final int COLUMN_ALERTED_DATE = 1; - - @Override - public void onReceive(Context context, Intent intent) { - long currentDate = System.currentTimeMillis(); - Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, - PROJECTION, - NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, - new String[] { String.valueOf(currentDate) }, - null); - - if (c != null) { - if (c.moveToFirst()) { - do { - long alertDate = c.getLong(COLUMN_ALERTED_DATE); - Intent sender = new Intent(context, AlarmReceiver.class); - sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); - PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); - AlarmManager alermManager = (AlarmManager) context + import android.app.AlarmManager; + import android.app.PendingIntent; + import android.content.BroadcastReceiver; + import android.content.ContentUris; + import android.content.Context; + import android.content.Intent; + import android.database.Cursor; + + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.NoteColumns; + + // 定义一个名为 AlarmInitReceiver 的类，继承自 BroadcastReceiver + public class AlarmInitReceiver extends BroadcastReceiver { + + // 定义查询数据库时的投影数组，包含笔记 ID 和提醒日期两个字段 + private static final String[] PROJECTION = new String[]{ + NoteColumns.ID, + NoteColumns.ALERTED_DATE + }; + + // 定义常量，表示投影数组中 ID 和提醒日期字段的索引 + private static final int COLUMN_ID = 0; + private static final int COLUMN_ALERTED_DATE = 1; + + @Override + public void onReceive(Context context, Intent intent) { + // 获取当前时间 + long currentDate = System.currentTimeMillis(); + // 查询数据库，获取提醒日期大于当前时间且类型为笔记的记录 + Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, + PROJECTION, + NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, + new String[]{String.valueOf(currentDate)}, + null); + + if (c!= null) { + if (c.moveToFirst()) { + do { + // 获取每条记录的提醒日期 + long alertDate = c.getLong(COLUMN_ALERTED_DATE); + // 创建 Intent，用于发送给 AlarmReceiver + Intent sender = new Intent(context, AlarmReceiver.class); + // 设置 Intent 的数据为带有笔记 ID 的 Uri + sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); + // 创建 PendingIntent，用于触发广播 + PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); + // 获取系统的 AlarmManager 服务 + AlarmManager alermManager = (AlarmManager) context .getSystemService(Context.ALARM_SERVICE); - alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); - } while (c.moveToNext()); - } - c.close(); - } - } -} + // 设置闹钟，在指定时间触发 PendingIntent + alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); + } while (c.moveToNext()); + } + // 关闭游标 + c.close(); + } + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java b/src/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java index 54e503b..c592b37 100644 --- a/src/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java +++ b/src/app/src/main/java/net/micode/notes/ui/AlarmReceiver.java @@ -14,17 +14,22 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import android.content.BroadcastReceiver; -import android.content.Context; -import android.content.Intent; - -public class AlarmReceiver extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - intent.setClass(context, AlarmAlertActivity.class); - intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - context.startActivity(intent); - } -} + import android.content.BroadcastReceiver; + import android.content.Context; + import android.content.Intent; + + // 定义一个名为 AlarmReceiver 的类，它继承自 BroadcastReceiver + public class AlarmReceiver extends BroadcastReceiver { + // 重写 onReceive 方法，当接收到广播时会调用这个方法 + @Override + public void onReceive(Context context, Intent intent) { + // 设置 Intent 的目标类为 AlarmAlertActivity + intent.setClass(context, AlarmAlertActivity.class); + // 为 Intent 添加标志，表示启动一个新的任务栈 + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + // 以给定的 Intent 启动一个新的 Activity + context.startActivity(intent); + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java b/src/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java index 2c47ba4..3b2f9a0 100644 --- a/src/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java +++ b/src/app/src/main/java/net/micode/notes/ui/DateTimePickerDialog.java @@ -14,77 +14,101 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import java.util.Calendar; - -import net.micode.notes.R; -import net.micode.notes.ui.DateTimePicker; -import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; - -import android.app.AlertDialog; -import android.content.Context; -import android.content.DialogInterface; -import android.content.DialogInterface.OnClickListener; -import android.text.format.DateFormat; -import android.text.format.DateUtils; - -public class DateTimePickerDialog extends AlertDialog implements OnClickListener { - - private Calendar mDate = Calendar.getInstance(); - private boolean mIs24HourView; - private OnDateTimeSetListener mOnDateTimeSetListener; - private DateTimePicker mDateTimePicker; - - public interface OnDateTimeSetListener { - void OnDateTimeSet(AlertDialog dialog, long date); - } - - public DateTimePickerDialog(Context context, long date) { - super(context); - mDateTimePicker = new DateTimePicker(context); - setView(mDateTimePicker); - mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { - public void onDateTimeChanged(DateTimePicker view, int year, int month, - int dayOfMonth, int hourOfDay, int minute) { - mDate.set(Calendar.YEAR, year); - mDate.set(Calendar.MONTH, month); - mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); - mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); - mDate.set(Calendar.MINUTE, minute); - updateTitle(mDate.getTimeInMillis()); - } - }); - mDate.setTimeInMillis(date); - mDate.set(Calendar.SECOND, 0); - mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); - setButton(context.getString(R.string.datetime_dialog_ok), this); - setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); - set24HourView(DateFormat.is24HourFormat(this.getContext())); - updateTitle(mDate.getTimeInMillis()); - } - - public void set24HourView(boolean is24HourView) { - mIs24HourView = is24HourView; - } - - public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { - mOnDateTimeSetListener = callBack; - } - - private void updateTitle(long date) { - int flag = - DateUtils.FORMAT_SHOW_YEAR | - DateUtils.FORMAT_SHOW_DATE | - DateUtils.FORMAT_SHOW_TIME; - flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; - setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); - } - - public void onClick(DialogInterface arg0, int arg1) { - if (mOnDateTimeSetListener != null) { - mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); - } - } - -} \ No newline at end of file + import java.util.Calendar; + + import net.micode.notes.R; + import net.micode.notes.ui.DateTimePicker; + import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; + + import android.app.AlertDialog; + import android.content.Context; + import android.content.DialogInterface; + import android.content.DialogInterface.OnClickListener; + import android.text.format.DateFormat; + import android.text.format.DateUtils; + + // 定义一个名为 DateTimePickerDialog 的类，它继承自 AlertDialog 并实现了 OnClickListener 接口 + public class DateTimePickerDialog extends AlertDialog implements OnClickListener { + + // 存储日期的 Calendar 对象 + private Calendar mDate = Calendar.getInstance(); + // 标记是否为 24 小时制显示 + private boolean mIs24HourView; + // 日期时间设置监听器 + private OnDateTimeSetListener mOnDateTimeSetListener; + // 日期时间选择器 + private DateTimePicker mDateTimePicker; + + // 定义日期时间设置监听器接口 + public interface OnDateTimeSetListener { + void OnDateTimeSet(AlertDialog dialog, long date); + } + + // 构造函数，接受上下文和一个日期时间的长整型值 + public DateTimePickerDialog(Context context, long date) { + super(context); + // 创建一个 DateTimePicker 对象 + mDateTimePicker = new DateTimePicker(context); + // 设置对话框的视图为 DateTimePicker + setView(mDateTimePicker); + // 设置日期时间改变监听器 + mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { + public void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + // 设置 Calendar 对象的年、月、日、时、分 + mDate.set(Calendar.YEAR, year); + mDate.set(Calendar.MONTH, month); + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + mDate.set(Calendar.MINUTE, minute); + // 更新对话框标题 + updateTitle(mDate.getTimeInMillis()); + } + }); + // 设置 Calendar 对象的时间为传入的日期时间 + mDate.setTimeInMillis(date); + // 将秒设置为 0 + mDate.set(Calendar.SECOND, 0); + // 设置 DateTimePicker 的当前日期时间 + mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); + // 设置确定按钮的文本和点击监听器 + setButton(context.getString(R.string.datetime_dialog_ok), this); + // 设置取消按钮的文本和点击监听器为 null + setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); + // 根据上下文设置是否为 24 小时制显示 + set24HourView(DateFormat.is24HourFormat(this.getContext())); + // 更新对话框标题 + updateTitle(mDate.getTimeInMillis()); + } + + // 设置是否为 24 小时制显示的方法 + public void set24HourView(boolean is24HourView) { + mIs24HourView = is24HourView; + } + + // 设置日期时间设置监听器的方法 + public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { + mOnDateTimeSetListener = callBack; + } + + // 更新对话框标题的私有方法 + private void updateTitle(long date) { + int flag = + DateUtils.FORMAT_SHOW_YEAR | + DateUtils.FORMAT_SHOW_DATE | + DateUtils.FORMAT_SHOW_TIME; + flag |= mIs24HourView? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; + setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); + } + + // 实现 OnClickListener 接口的方法，当点击确定按钮时调用 + public void onClick(DialogInterface arg0, int arg1) { + if (mOnDateTimeSetListener!= null) { + // 调用日期时间设置监听器的方法 + mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); + } + } + + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/DropdownMenu.java b/src/app/src/main/java/net/micode/notes/ui/DropdownMenu.java index 613dc74..8b5430b 100644 --- a/src/app/src/main/java/net/micode/notes/ui/DropdownMenu.java +++ b/src/app/src/main/java/net/micode/notes/ui/DropdownMenu.java @@ -14,48 +14,60 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import android.content.Context; -import android.view.Menu; -import android.view.MenuItem; -import android.view.View; -import android.view.View.OnClickListener; -import android.widget.Button; -import android.widget.PopupMenu; -import android.widget.PopupMenu.OnMenuItemClickListener; - -import net.micode.notes.R; - -public class DropdownMenu { - private Button mButton; - private PopupMenu mPopupMenu; - private Menu mMenu; - - public DropdownMenu(Context context, Button button, int menuId) { - mButton = button; - mButton.setBackgroundResource(R.drawable.dropdown_icon); - mPopupMenu = new PopupMenu(context, mButton); - mMenu = mPopupMenu.getMenu(); - mPopupMenu.getMenuInflater().inflate(menuId, mMenu); - mButton.setOnClickListener(new OnClickListener() { - public void onClick(View v) { - mPopupMenu.show(); - } - }); - } - - public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { - if (mPopupMenu != null) { - mPopupMenu.setOnMenuItemClickListener(listener); - } - } - - public MenuItem findItem(int id) { - return mMenu.findItem(id); - } - - public void setTitle(CharSequence title) { - mButton.setText(title); - } -} + import android.content.Context; + import android.view.Menu; + import android.view.MenuItem; + import android.view.View; + import android.view.View.OnClickListener; + import android.widget.Button; + import android.widget.PopupMenu; + import android.widget.PopupMenu.OnMenuItemClickListener; + + import net.micode.notes.R; + + // 定义一个名为 DropdownMenu 的类 + public class DropdownMenu { + // 下拉菜单的按钮 + private Button mButton; + // 弹出菜单对象 + private PopupMenu mPopupMenu; + // 菜单对象 + private Menu mMenu; + + // 构造函数，接受上下文、按钮和菜单资源 ID + public DropdownMenu(Context context, Button button, int menuId) { + mButton = button; + // 设置按钮的背景为下拉图标 + mButton.setBackgroundResource(R.drawable.dropdown_icon); + // 创建一个弹出菜单，关联到按钮 + mPopupMenu = new PopupMenu(context, mButton); + mMenu = mPopupMenu.getMenu(); + // 从给定的菜单资源 ID 中填充菜单 + mPopupMenu.getMenuInflater().inflate(menuId, mMenu); + // 为按钮设置点击监听器，点击时显示弹出菜单 + mButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mPopupMenu.show(); + } + }); + } + + // 设置弹出菜单项点击监听器的方法 + public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { + if (mPopupMenu!= null) { + mPopupMenu.setOnMenuItemClickListener(listener); + } + } + + // 根据 ID 查找菜单项的方法 + public MenuItem findItem(int id) { + return mMenu.findItem(id); + } + + // 设置按钮标题的方法 + public void setTitle(CharSequence title) { + mButton.setText(title); + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java b/src/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java index 96b77da..89935fa 100644 --- a/src/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java +++ b/src/app/src/main/java/net/micode/notes/ui/FoldersListAdapter.java @@ -14,67 +14,79 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import android.content.Context; -import android.database.Cursor; -import android.view.View; -import android.view.ViewGroup; -import android.widget.CursorAdapter; -import android.widget.LinearLayout; -import android.widget.TextView; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; - - -public class FoldersListAdapter extends CursorAdapter { - public static final String [] PROJECTION = { - NoteColumns.ID, - NoteColumns.SNIPPET - }; - - public static final int ID_COLUMN = 0; - public static final int NAME_COLUMN = 1; - - public FoldersListAdapter(Context context, Cursor c) { - super(context, c); - // TODO Auto-generated constructor stub - } - - @Override - public View newView(Context context, Cursor cursor, ViewGroup parent) { - return new FolderListItem(context); - } - - @Override - public void bindView(View view, Context context, Cursor cursor) { - if (view instanceof FolderListItem) { - String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context + import android.content.Context; + import android.database.Cursor; + import android.view.View; + import android.view.ViewGroup; + import android.widget.CursorAdapter; + import android.widget.LinearLayout; + import android.widget.TextView; + + import net.micode.notes.R; + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.NoteColumns; + + // 定义一个名为 FoldersListAdapter 的类，继承自 CursorAdapter + public class FoldersListAdapter extends CursorAdapter { + // 定义查询投影，包含 ID 和片段（SNIPPET）列 + public static final String[] PROJECTION = { + NoteColumns.ID, + NoteColumns.SNIPPET + }; + // ID 列的索引 + public static final int ID_COLUMN = 0; + // 名称列的索引（实际上是片段列在这个上下文中用作名称） + public static final int NAME_COLUMN = 1; + + // 构造函数，接受上下文和游标 + public FoldersListAdapter(Context context, Cursor c) { + super(context, c); + // TODO Auto-generated constructor stub + } + + // 创建新视图的方法 + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + return new FolderListItem(context); + } + + // 绑定数据到视图的方法 + @Override + public void bindView(View view, Context context, Cursor cursor) { + if (view instanceof FolderListItem) { + // 根据 ID 判断是否为根文件夹，设置不同的文件夹名称 + String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER)? context .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); - ((FolderListItem) view).bind(folderName); - } - } - - public String getFolderName(Context context, int position) { - Cursor cursor = (Cursor) getItem(position); - return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context + ((FolderListItem) view).bind(folderName); + } + } + + // 获取指定位置的文件夹名称的方法 + public String getFolderName(Context context, int position) { + Cursor cursor = (Cursor) getItem(position); + return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER)? context .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); - } - - private class FolderListItem extends LinearLayout { - private TextView mName; - - public FolderListItem(Context context) { - super(context); - inflate(context, R.layout.folder_list_item, this); - mName = (TextView) findViewById(R.id.tv_folder_name); - } - - public void bind(String name) { - mName.setText(name); - } - } - -} + } + + // 内部类 FolderListItem，代表列表中的单个文件夹项视图 + private class FolderListItem extends LinearLayout { + private TextView mName; + + // 构造函数，接受上下文 + public FolderListItem(Context context) { + super(context); + // 从布局文件中填充视图 + inflate(context, R.layout.folder_list_item, this); + // 获取显示文件夹名称的 TextView + mName = (TextView) findViewById(R.id.tv_folder_name); + } + + // 绑定文件夹名称到视图的方法 + public void bind(String name) { + mName.setText(name); + } + } + + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index 96a9ff8..908e652 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/src/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -14,377 +14,334 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.app.Activity; -import android.app.AlarmManager; -import android.app.AlertDialog; -import android.app.PendingIntent; -import android.app.SearchManager; -import android.appwidget.AppWidgetManager; -import android.content.ContentUris; -import android.content.Context; -import android.content.DialogInterface; -import android.content.Intent; -import android.content.SharedPreferences; -import android.graphics.Paint; -import android.os.Bundle; -import android.preference.PreferenceManager; -import android.text.Spannable; -import android.text.SpannableString; -import android.text.TextUtils; -import android.text.format.DateUtils; -import android.text.style.BackgroundColorSpan; -import android.util.Log; -import android.view.LayoutInflater; -import android.view.Menu; -import android.view.MenuItem; -import android.view.MotionEvent; -import android.view.View; -import android.view.View.OnClickListener; -import android.view.WindowManager; -import android.widget.CheckBox; -import android.widget.CompoundButton; -import android.widget.CompoundButton.OnCheckedChangeListener; -import android.widget.EditText; -import android.widget.ImageView; -import android.widget.LinearLayout; -import android.widget.TextView; -import android.widget.Toast; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.TextNote; -import net.micode.notes.model.WorkingNote; -import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; -import net.micode.notes.tool.DataUtils; -import net.micode.notes.tool.ResourceParser; -import net.micode.notes.tool.ResourceParser.TextAppearanceResources; -import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; -import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; -import net.micode.notes.widget.NoteWidgetProvider_2x; -import net.micode.notes.widget.NoteWidgetProvider_4x; - -import java.util.HashMap; -import java.util.HashSet; -import java.util.Map; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - - -public class NoteEditActivity extends Activity implements OnClickListener, - NoteSettingChangedListener, OnTextViewChangeListener { - private class HeadViewHolder { - public TextView tvModified; - - public ImageView ivAlertIcon; - - public TextView tvAlertDate; - - public ImageView ibSetBgColor; - } - - private static final Map sBgSelectorBtnsMap = new HashMap(); - static { - sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); - sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED); - sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); - sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); - sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); - } - - private static final Map sBgSelectorSelectionMap = new HashMap(); - static { - sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); - sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select); - sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); - sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); - sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); - } - - private static final Map sFontSizeBtnsMap = new HashMap(); - static { - sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); - sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); - sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); - sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); - } - - private static final Map sFontSelectorSelectionMap = new HashMap(); - static { - sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); - sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); - sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); - sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); - } - - private static final String TAG = "NoteEditActivity"; - - private HeadViewHolder mNoteHeaderHolder; - - private View mHeadViewPanel; - - private View mNoteBgColorSelector; - - private View mFontSizeSelector; - - private EditText mNoteEditor; - - private View mNoteEditorPanel; - - private WorkingNote mWorkingNote; - - private SharedPreferences mSharedPrefs; - private int mFontSizeId; - - private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; - - private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; - - public static final String TAG_CHECKED = String.valueOf('\u221A'); - public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); - - private LinearLayout mEditTextList; - - private String mUserQuery; - private Pattern mPattern; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - this.setContentView(R.layout.note_edit); - - if (savedInstanceState == null && !initActivityState(getIntent())) { - finish(); - return; - } - initResources(); - } - - /** - * Current activity may be killed when the memory is low. Once it is killed, for another time - * user load this activity, we should restore the former state - */ - @Override - protected void onRestoreInstanceState(Bundle savedInstanceState) { - super.onRestoreInstanceState(savedInstanceState); - if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) { - Intent intent = new Intent(Intent.ACTION_VIEW); - intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID)); - if (!initActivityState(intent)) { - finish(); - return; - } - Log.d(TAG, "Restoring from killed activity"); - } - } - - private boolean initActivityState(Intent intent) { - /** - * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id, - * then jump to the NotesListActivity - */ - mWorkingNote = null; - if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { - long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); - mUserQuery = ""; - - /** - * Starting from the searched result - */ - if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { - noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); - mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); - } - - if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { - Intent jump = new Intent(this, NotesListActivity.class); - startActivity(jump); - showToast(R.string.error_note_not_exist); - finish(); - return false; - } else { - mWorkingNote = WorkingNote.load(this, noteId); - if (mWorkingNote == null) { - Log.e(TAG, "load note failed with note id" + noteId); - finish(); - return false; - } - } - getWindow().setSoftInputMode( - WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN - | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); - } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { - // New note - long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); - int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, - AppWidgetManager.INVALID_APPWIDGET_ID); - int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, - Notes.TYPE_WIDGET_INVALIDE); - int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, - ResourceParser.getDefaultBgId(this)); - - // Parse call-record note - String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); - long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); - if (callDate != 0 && phoneNumber != null) { - if (TextUtils.isEmpty(phoneNumber)) { - Log.w(TAG, "The call record number is null"); - } - long noteId = 0; - if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(), - phoneNumber, callDate)) > 0) { - mWorkingNote = WorkingNote.load(this, noteId); - if (mWorkingNote == null) { - Log.e(TAG, "load call note failed with note id" + noteId); - finish(); - return false; - } - } else { - mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, - widgetType, bgResId); - mWorkingNote.convertToCallNote(phoneNumber, callDate); - } - } else { - mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, - bgResId); - } - - getWindow().setSoftInputMode( - WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE - | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); - } else { - Log.e(TAG, "Intent not specified action, should not support"); - finish(); - return false; - } - mWorkingNote.setOnSettingStatusChangedListener(this); - return true; - } - - @Override - protected void onResume() { - super.onResume(); - initNoteScreen(); - } - - private void initNoteScreen() { - mNoteEditor.setTextAppearance(this, TextAppearanceResources + package net.micode.notes.ui; + + import android.app.Activity; + import android.app.AlarmManager; + import android.app.AlertDialog; + import android.app.PendingIntent; + import android.app.SearchManager; + import android.appwidget.AppWidgetManager; + import android.content.ContentUris; + import android.content.Context; + import android.content.DialogInterface; + import android.content.Intent; + import android.content.SharedPreferences; + import android.graphics.Paint; + import android.os.Bundle; + import android.preference.PreferenceManager; + import android.text.Spannable; + import android.text.SpannableString; + import android.text.TextUtils; + import android.text.format.DateUtils; + import android.text.style.BackgroundColorSpan; + import android.util.Log; + import android.view.LayoutInflater; + import android.view.Menu; + import android.view.MenuItem; + import android.view.MotionEvent; + import android.view.View; + import android.view.View.OnClickListener; + import android.view.WindowManager; + import android.widget.CheckBox; + import android.widget.CompoundButton; + import android.widget.CompoundButton.OnCheckedChangeListener; + import android.widget.EditText; + import android.widget.ImageView; + import android.widget.LinearLayout; + import android.widget.TextView; + import android.widget.Toast; + + import net.micode.notes.R; + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.TextNote; + import net.micode.notes.model.WorkingNote; + import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; + import net.micode.notes.tool.DataUtils; + import net.micode.notes.tool.ResourceParser; + import net.micode.notes.tool.ResourceParser.TextAppearanceResources; + import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; + import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; + import net.micode.notes.widget.NoteWidgetProvider_2x; + import net.micode.notes.widget.NoteWidgetProvider_4x; + + import java.util.HashMap; + import java.util.HashSet; + import java.util.Map; + import java.util.regex.Matcher; + import java.util.regex.Pattern; + + // 定义 NoteEditActivity 类，用于编辑笔记的活动 + public class NoteEditActivity extends Activity implements OnClickListener, + NoteSettingChangedListener, OnTextViewChangeListener { + // 内部类，用于保存笔记头部视图的持有者 + private class HeadViewHolder { + public TextView tvModified; + public ImageView ivAlertIcon; + public TextView tvAlertDate; + public ImageView ibSetBgColor; + } + + // 背景颜色选择按钮和对应的资源 ID 的映射 + private static final Map sBgSelectorBtnsMap = new HashMap(); + static { + sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); + sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED); + sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); + sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); + sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); + } + + // 背景颜色选择后的显示 ID 的映射 + private static final Map sBgSelectorSelectionMap = new HashMap(); + static { + sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); + sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select); + sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); + sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); + sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); + } + + // 字体大小选择按钮和对应的资源 ID 的映射 + private static final Map sFontSizeBtnsMap = new HashMap(); + static { + sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); + sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); + sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); + sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); + } + + // 字体大小选择后的显示 ID 的映射 + private static final Map sFontSelectorSelectionMap = new HashMap(); + static { + sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); + } + + private static final String TAG = "NoteEditActivity"; + + // 笔记头部视图的持有者实例 + private HeadViewHolder mNoteHeaderHolder; + + // 笔记头部视图面板 + private View mHeadViewPanel; + + // 笔记背景颜色选择器视图 + private View mNoteBgColorSelector; + + // 字体大小选择器视图 + private View mFontSizeSelector; + + // 笔记编辑框 + private EditText mNoteEditor; + + // 笔记编辑面板视图 + private View mNoteEditorPanel; + + // 正在编辑的笔记对象 + private WorkingNote mWorkingNote; + + // 共享偏好设置对象 + private SharedPreferences mSharedPrefs; + + // 当前字体大小 ID + private int mFontSizeId; + + // 共享偏好设置中的字体大小键名 + private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; + + // 快捷方式图标标题的最大长度 + private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; + + // 笔记中已勾选项的标记 + public static final String TAG_CHECKED = String.valueOf('\u221A'); + // 笔记中未勾选项的标记 + public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); + + // 线性布局，用于容纳多个编辑框（列表模式下） + private LinearLayout mEditTextList; + + // 用户查询字符串 + private String mUserQuery; + + // 正则表达式模式对象，用于搜索用户查询字符串 + private Pattern mPattern; + + // 活动创建时调用的方法 + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + // 设置布局文件 + this.setContentView(R.layout.note_edit); + + // 如果保存的状态为空且初始化活动状态失败，则结束活动 + if (savedInstanceState == null &&!initActivityState(getIntent())) { + finish(); + return; + } + + // 初始化资源 + initResources(); + } + + // 当活动从被杀死的状态恢复时调用的方法 + @Override + protected void onRestoreInstanceState(Bundle savedInstanceState) { + super.onRestoreInstanceState(savedInstanceState); + // 如果保存的状态不为空且包含笔记 ID，则尝试恢复活动状态 + if (savedInstanceState!= null && savedInstanceState.containsKey(Intent.EXTRA_UID)) { + Intent intent = new Intent(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID)); + if (!initActivityState(intent)) { + finish(); + return; + } + Log.d(TAG, "Restoring from killed activity"); + } + } + + // 初始化活动状态的方法，根据意图确定要编辑的笔记 + private boolean initActivityState(Intent intent) { + mWorkingNote = null; + // 如果意图的动作是查看笔记 + if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { + long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); + mUserQuery = ""; + + // 如果是从搜索结果启动的 + if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { + noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); + mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); + } + + // 如果笔记在数据库中不可见，则跳转到 NotesListActivity 并显示错误信息 + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { + Intent jump = new Intent(this, NotesListActivity.class); + startActivity(jump); + showToast(R.string.error_note_not_exist); + finish(); + return false; + } else { + // 加载要编辑的笔记 + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load note failed with note id" + noteId); + finish(); + return false; + } + } + // 设置软键盘状态为隐藏且调整布局 + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN + | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); + } else if (TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { + // 创建新笔记的情况 + long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); + int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, + AppWidgetManager.INVALID_APPWIDGET_ID); + int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, + Notes.TYPE_WIDGET_INVALIDE); + int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, + ResourceParser.getDefaultBgId(this)); + + // 处理通话记录笔记 + String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); + long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); + if (callDate!= 0 && phoneNumber!= null) { + if (TextUtils.isEmpty(phoneNumber)) { + Log.w(TAG, "The call record number is null"); + } + long noteId = 0; + if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(), + phoneNumber, callDate)) > 0) { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load call note failed with note id" + noteId); + finish(); + return false; + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, + widgetType, bgResId); + mWorkingNote.convertToCallNote(phoneNumber, callDate); + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, + bgResId); + } + + // 设置软键盘状态为可见且调整布局 + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE + | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); + } else { + Log.e(TAG, "Intent not specified action, should not support"); + finish(); + return false; + } + // 设置笔记设置状态改变监听器 + mWorkingNote.setOnSettingStatusChangedListener(this); + return true; + } + + // 活动恢复时调用的方法 + @Override + protected void onResume() { + super.onResume(); + // 初始化笔记屏幕显示 + initNoteScreen(); + } + + // 初始化笔记屏幕显示的方法 + private void initNoteScreen() { + // 设置笔记编辑框的文本外观 + mNoteEditor.setTextAppearance(this, TextAppearanceResources .getTexAppearanceResource(mFontSizeId)); - if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { - switchToListMode(mWorkingNote.getContent()); - } else { - mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); - mNoteEditor.setSelection(mNoteEditor.getText().length()); - } - for (Integer id : sBgSelectorSelectionMap.keySet()) { - findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE); - } - mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); - mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); - - mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this, - mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE - | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME - | DateUtils.FORMAT_SHOW_YEAR)); - - /** - * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker - * is not ready - */ - showAlertHeader(); - } - - private void showAlertHeader() { - if (mWorkingNote.hasClockAlert()) { - long time = System.currentTimeMillis(); - if (time > mWorkingNote.getAlertDate()) { - mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); - } else { - mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( - mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); - } - mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); - mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); - } else { - mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); - mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); - }; - } - - @Override - protected void onNewIntent(Intent intent) { - super.onNewIntent(intent); - initActivityState(intent); - } - - @Override - protected void onSaveInstanceState(Bundle outState) { - super.onSaveInstanceState(outState); - /** - * For new note without note id, we should firstly save it to - * generate a id. If the editing note is not worth saving, there - * is no id which is equivalent to create new note - */ - if (!mWorkingNote.existInDatabase()) { - saveNote(); - } - outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); - Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); - } - - @Override - public boolean dispatchTouchEvent(MotionEvent ev) { - if (mNoteBgColorSelector.getVisibility() == View.VISIBLE - && !inRangeOfView(mNoteBgColorSelector, ev)) { - mNoteBgColorSelector.setVisibility(View.GONE); - return true; - } - - if (mFontSizeSelector.getVisibility() == View.VISIBLE - && !inRangeOfView(mFontSizeSelector, ev)) { - mFontSizeSelector.setVisibility(View.GONE); - return true; - } - return super.dispatchTouchEvent(ev); - } - - private boolean inRangeOfView(View view, MotionEvent ev) { - int []location = new int[2]; - view.getLocationOnScreen(location); - int x = location[0]; - int y = location[1]; - if (ev.getX() < x - || ev.getX() > (x + view.getWidth()) - || ev.getY() < y - || ev.getY() > (y + view.getHeight())) { - return false; - } - return true; - } - - private void initResources() { - mHeadViewPanel = findViewById(R.id.note_title); - mNoteHeaderHolder = new HeadViewHolder(); - mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date); - mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon); - mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date); + // 如果笔记处于清单模式 + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + // 将笔记内容转换为列表模式显示 + switchToListMode(mWorkingNote.getContent()); + } else { + // 突出显示查询结果并设置编辑框文本和光标位置 + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mNoteEditor.setSelection(mNoteEditor.getText().length()); + } + // 隐藏所有背景颜色选择后的显示 + for (Integer id : sBgSelectorSelectionMap.keySet()) { + findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE); + } + // 设置头部面板和编辑面板的背景资源 + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); + + // 设置修改日期显示文本 mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date); mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color); + // 设置背景颜色设置按钮的点击监听器 mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this); + // 获取笔记编辑框实例 mNoteEditor = (EditText) findViewById(R.id.note_edit_view); + // 获取笔记编辑面板视图实例 mNoteEditorPanel = findViewById(R.id.sv_note_edit); + // 获取笔记背景颜色选择器视图实例 mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector); + // 为所有背景颜色选择按钮设置点击监听器 for (int id : sBgSelectorBtnsMap.keySet()) { ImageView iv = (ImageView) findViewById(id); iv.setOnClickListener(this); } + // 获取字体大小选择器视图实例 mFontSizeSelector = findViewById(R.id.font_size_selector); + // 为所有字体大小选择按钮设置点击监听器 for (int id : sFontSizeBtnsMap.keySet()) { View view = findViewById(id); view.setOnClickListener(this); }; + // 获取共享偏好设置实例 mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); + // 获取当前字体大小 ID 从共享偏好设置中 mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); /** * HACKME: Fix bug of store the resource id in shared preference. @@ -394,20 +351,26 @@ public class NoteEditActivity extends Activity implements OnClickListener, if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) { mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE; } + // 获取线性布局实例，用于容纳多个编辑框（列表模式下） mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); } + // 暂停活动时调用的方法 @Override protected void onPause() { super.onPause(); + // 保存笔记，如果保存成功则记录日志 if(saveNote()) { Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length()); } + // 清除设置状态 clearSettingState(); } + // 更新小部件的方法 private void updateWidget() { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + // 根据小部件类型设置意图的类 if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { intent.setClass(this, NoteWidgetProvider_2x.class); } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) { @@ -421,82 +384,115 @@ public class NoteEditActivity extends Activity implements OnClickListener, mWorkingNote.getWidgetId() }); + // 发送广播更新小部件 sendBroadcast(intent); + // 设置结果码为 RESULT_OK，并将意图作为结果返回 setResult(RESULT_OK, intent); } + // 点击事件处理方法 public void onClick(View v) { int id = v.getId(); + // 如果点击了背景颜色设置按钮 if (id == R.id.btn_set_bg_color) { + // 显示背景颜色选择器 mNoteBgColorSelector.setVisibility(View.VISIBLE); + // 显示当前选择的背景颜色的选中状态 findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( - - View.VISIBLE); + View.VISIBLE); } else if (sBgSelectorBtnsMap.containsKey(id)) { + // 隐藏之前选择的背景颜色的选中状态 findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.GONE); + // 设置新的背景颜色 ID mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id)); + // 隐藏背景颜色选择器 mNoteBgColorSelector.setVisibility(View.GONE); } else if (sFontSizeBtnsMap.containsKey(id)) { + // 隐藏之前选择的字体大小的选中状态 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE); + // 设置新的字体大小 ID mFontSizeId = sFontSizeBtnsMap.get(id); + // 将新的字体大小 ID 保存到共享偏好设置中 mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit(); + // 显示新选择的字体大小的选中状态 findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + // 获取工作文本（在列表模式下） getWorkingText(); + // 将笔记内容转换为列表模式显示 switchToListMode(mWorkingNote.getContent()); } else { + // 设置笔记编辑框的文本外观为新的字体大小 mNoteEditor.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); } + // 隐藏字体大小选择器 mFontSizeSelector.setVisibility(View.GONE); } } + // 按下返回键时调用的方法 @Override public void onBackPressed() { + // 如果清除设置状态成功，则直接返回，不执行默认的返回操作 if(clearSettingState()) { return; } + // 保存笔记 saveNote(); + // 执行默认的返回操作 super.onBackPressed(); } + // 清除设置状态的方法 private boolean clearSettingState() { + // 如果背景颜色选择器可见，则隐藏它并返回 true if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) { mNoteBgColorSelector.setVisibility(View.GONE); return true; } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) { + // 如果字体大小选择器可见，则隐藏它并返回 true mFontSizeSelector.setVisibility(View.GONE); return true; } return false; } + // 当背景颜色改变时调用的方法 public void onBackgroundColorChanged() { + // 显示当前选择的背景颜色的选中状态 findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( View.VISIBLE); + // 设置编辑面板和头部面板的背景资源为新的背景颜色 mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); } + // 准备选项菜单时调用的方法 @Override public boolean onPrepareOptionsMenu(Menu menu) { if (isFinishing()) { return true; } + // 清除设置状态 clearSettingState(); menu.clear(); + // 根据笔记类型设置不同的菜单资源 if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { getMenuInflater().inflate(R.menu.call_note_edit, menu); } else { getMenuInflater().inflate(R.menu.note_edit, menu); } + // 如果笔记处于清单模式，则设置菜单项标题为切换到普通模式 if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode); } else { + // 如果笔记处于普通模式，则设置菜单项标题为切换到清单模式 menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode); } + // 根据是否有提醒设置不同的菜单项可见性 if (mWorkingNote.hasClockAlert()) { menu.findItem(R.id.menu_alert).setVisible(false); } else { @@ -505,13 +501,16 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } + // 选项菜单项被选择时调用的方法 @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_new_note: + // 创建新笔记 createNewNote(); break; case R.id.menu_delete: + // 显示删除确认对话框 AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); @@ -519,6 +518,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { + // 删除当前笔记并结束活动 deleteCurrentNote(); finish(); } @@ -527,24 +527,30 @@ public class NoteEditActivity extends Activity implements OnClickListener, builder.show(); break; case R.id.menu_font_size: + // 显示字体大小选择器 mFontSizeSelector.setVisibility(View.VISIBLE); findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); break; case R.id.menu_list_mode: - mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? + // 切换笔记的清单模式状态 + mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0? TextNote.MODE_CHECK_LIST : 0); break; case R.id.menu_share: + // 获取工作文本并分享笔记内容 getWorkingText(); sendTo(this, mWorkingNote.getContent()); break; case R.id.menu_send_to_desktop: + // 将笔记发送到桌面 sendToDesktop(); break; case R.id.menu_alert: + // 设置提醒 setReminder(); break; case R.id.menu_delete_remind: + // 删除提醒 mWorkingNote.setAlertDate(0, false); break; default: @@ -553,11 +559,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, return true; } + // 设置提醒的方法 private void setReminder() { DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); d.setOnDateTimeSetListener(new OnDateTimeSetListener() { public void OnDateTimeSet(AlertDialog dialog, long date) { - mWorkingNote.setAlertDate(date , true); + // 设置笔记的提醒日期 + mWorkingNote.setAlertDate(date, true); } }); d.show(); @@ -574,11 +582,12 @@ public class NoteEditActivity extends Activity implements OnClickListener, context.startActivity(intent); } + // 创建新笔记的方法 private void createNewNote() { - // Firstly, save current editing notes + // 首先保存当前正在编辑的笔记 saveNote(); - // For safety, start a new NoteEditActivity + // 为了安全起见，启动一个新的 NoteEditActivity finish(); Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_INSERT_OR_EDIT); @@ -586,32 +595,38 @@ public class NoteEditActivity extends Activity implements OnClickListener, startActivity(intent); } + // 删除当前笔记的方法 private void deleteCurrentNote() { if (mWorkingNote.existInDatabase()) { HashSet ids = new HashSet(); long id = mWorkingNote.getNoteId(); - if (id != Notes.ID_ROOT_FOLDER) { + if (id!= Notes.ID_ROOT_FOLDER) { ids.add(id); } else { Log.d(TAG, "Wrong note id, should not happen"); } if (!isSyncMode()) { + // 如果不是同步模式，则直接删除笔记 if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { Log.e(TAG, "Delete Note error"); } } else { + // 如果是同步模式，则将笔记移动到回收站文件夹 if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { Log.e(TAG, "Move notes to trash folder error, should not happens"); } } } + // 标记笔记为已删除 mWorkingNote.markDeleted(true); } + // 判断是否为同步模式的方法 private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } + // 当时钟提醒改变时调用的方法 public void onClockAlertChanged(long date, boolean set) { /** * User could set clock to an unsaved note, so before setting the @@ -625,10 +640,13 @@ public class NoteEditActivity extends Activity implements OnClickListener, intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + // 显示提醒头部信息 showAlertHeader(); if(!set) { + // 如果取消提醒，则取消闹钟 alarmManager.cancel(pendingIntent); } else { + // 如果设置提醒，则设置闹钟 alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); } } else { @@ -638,14 +656,17 @@ public class NoteEditActivity extends Activity implements OnClickListener, * should input something */ Log.e(TAG, "Clock alert setting error"); + // 显示提示信息，表示笔记为空无法设置闹钟 showToast(R.string.error_note_empty_for_clock); } } + // 当小部件改变时调用的方法 public void onWidgetChanged() { updateWidget(); } + // 当编辑框中的文本被删除时调用的方法 public void onEditTextDelete(int index, String text) { int childCount = mEditTextList.getChildCount(); if (childCount == 1) { @@ -654,7 +675,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, for (int i = index + 1; i < childCount; i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i - 1); + .setIndex(i - 1); } mEditTextList.removeViewAt(index); @@ -672,6 +693,7 @@ public class NoteEditActivity extends Activity implements OnClickListener, edit.setSelection(length); } + // 当编辑框中按下回车键时调用的方法 public void onEditTextEnter(int index, String text) { /** * Should not happen, check for debug @@ -687,10 +709,11 @@ public class NoteEditActivity extends Activity implements OnClickListener, edit.setSelection(0); for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i); + .setIndex(i); } } + // 将笔记内容转换为列表模式显示的方法 private void switchToListMode(String text) { mEditTextList.removeAllViews(); String[] items = text.split("\n"); @@ -708,166 +731,173 @@ public class NoteEditActivity extends Activity implements OnClickListener, mEditTextList.setVisibility(View.VISIBLE); } + // 获取突出显示查询结果的 Spannable 对象的方法 private Spannable getHighlightQueryResult(String fullText, String userQuery) { - SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + SpannableString spannable = new SpannableString(fullText == null? "" : fullText); if (!TextUtils.isEmpty(userQuery)) { mPattern = Pattern.compile(userQuery); Matcher m = mPattern.matcher(fullText); int start = 0; - while (m.find(start)) { - spannable.setSpan( - new BackgroundColorSpan(this.getResources().getColor( - R.color.user_query_highlight)), m.start(), m.end(), - Spannable.SPAN_INCLUSIVE_EXCLUSIVE); - start = m.end(); - } - } - return spannable; - } - - private View getListItem(String item, int index) { - View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); - final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); - CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); - cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { - public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { - if (isChecked) { - edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); - } else { - edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); - } - } - }); - - if (item.startsWith(TAG_CHECKED)) { - cb.setChecked(true); - edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); - item = item.substring(TAG_CHECKED.length(), item.length()).trim(); - } else if (item.startsWith(TAG_UNCHECKED)) { - cb.setChecked(false); - edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); - item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); - } + while (m.find(start m.start(), m.end(), + Spannable.SPAN_INCLUSIVE_EXCLUSIVE); + start = m.end(); +} +} +return spannable; +} - edit.setOnTextViewChangeListener(this); - edit.setIndex(index); - edit.setText(getHighlightQueryResult(item, mUserQuery)); - return view; +// 获取列表项视图的方法 +private View getListItem(String item, int index) { +View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); +final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); +edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); +CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); +cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { +public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + if (isChecked) { + edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); + } else { + edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); } +} +}); + +if (item.startsWith(TAG_CHECKED)) { +cb.setChecked(true); +edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); +item = item.substring(TAG_CHECKED.length(), item.length()).trim(); +} else if (item.startsWith(TAG_UNCHECKED)) { +cb.setChecked(false); +edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); +item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); +} - public void onTextChange(int index, boolean hasText) { - if (index >= mEditTextList.getChildCount()) { - Log.e(TAG, "Wrong index, should not happen"); - return; - } - if(hasText) { - mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); - } else { - mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); - } - } +edit.setOnTextViewChangeListener(this); +edit.setIndex(index); +edit.setText(getHighlightQueryResult(item, mUserQuery)); +return view; +} - public void onCheckListModeChanged(int oldMode, int newMode) { - if (newMode == TextNote.MODE_CHECK_LIST) { - switchToListMode(mNoteEditor.getText().toString()); - } else { - if (!getWorkingText()) { - mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", - "")); - } - mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); - mEditTextList.setVisibility(View.GONE); - mNoteEditor.setVisibility(View.VISIBLE); - } - } +// 当编辑框中的文本改变时调用的方法 +public void onTextChange(int index, boolean hasText) { +if (index >= mEditTextList.getChildCount()) { +Log.e(TAG, "Wrong index, should not happen"); +return; +} +if(hasText) { +mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); +} else { +mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); +} +} - private boolean getWorkingText() { - boolean hasChecked = false; - if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { - StringBuilder sb = new StringBuilder(); - for (int i = 0; i < mEditTextList.getChildCount(); i++) { - View view = mEditTextList.getChildAt(i); - NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - if (!TextUtils.isEmpty(edit.getText())) { - if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { - sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); - hasChecked = true; - } else { - sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); - } - } - } - mWorkingNote.setWorkingText(sb.toString()); +// 当清单模式改变时调用的方法 +public void onCheckListModeChanged(int oldMode, int newMode) { +if (newMode == TextNote.MODE_CHECK_LIST) { +switchToListMode(mNoteEditor.getText().toString()); +} else { +if (!getWorkingText()) { + mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", + "")); +} +mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); +mEditTextList.setVisibility(View.GONE); +mNoteEditor.setVisibility(View.VISIBLE); +} +} + +// 获取工作文本的方法 +private boolean getWorkingText() { +boolean hasChecked = false; +if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { +StringBuilder sb = new StringBuilder(); +for (int i = 0; i < mEditTextList.getChildCount(); i++) { + View view = mEditTextList.getChildAt(i); + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + if (!TextUtils.isEmpty(edit.getText())) { + if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); + hasChecked = true; } else { - mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); } - return hasChecked; } +} +mWorkingNote.setWorkingText(sb.toString()); +} else { +mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); +} +return hasChecked; +} - private boolean saveNote() { - getWorkingText(); - boolean saved = mWorkingNote.saveNote(); - if (saved) { - /** - * There are two modes from List view to edit view, open one note, - * create/edit a node. Opening node requires to the original - * position in the list when back from edit view, while creating a - * new node requires to the top of the list. This code - * {@link #RESULT_OK} is used to identify the create/edit state - */ - setResult(RESULT_OK); - } - return saved; - } +// 保存笔记的方法 +private boolean saveNote() { +getWorkingText(); +boolean saved = mWorkingNote.saveNote(); +if (saved) { +/** + * There are two modes from List view to edit view, open one note, + * create/edit a node. Opening node requires to the original + * position in the list when back from edit view, while creating a + * new node requires to the top of the list. This code + * {@link #RESULT_OK} is used to identify the create/edit state + */ +setResult(RESULT_OK); +} +return saved; +} - private void sendToDesktop() { - /** - * Before send message to home, we should make sure that current - * editing note is exists in databases. So, for new note, firstly - * save it - */ - if (!mWorkingNote.existInDatabase()) { - saveNote(); - } +// 将笔记发送到桌面的方法 +private void sendToDesktop() { +/** +* Before send message to home, we should make sure that current +* editing note is exists in databases. So, for new note, firstly +* save it +*/ +if (!mWorkingNote.existInDatabase()) { +saveNote(); +} - if (mWorkingNote.getNoteId() > 0) { - Intent sender = new Intent(); - Intent shortcutIntent = new Intent(this, NoteEditActivity.class); - shortcutIntent.setAction(Intent.ACTION_VIEW); - shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); - sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); - sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, - makeShortcutIconTitle(mWorkingNote.getContent())); - sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, - Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); - sender.putExtra("duplicate", true); - sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); - showToast(R.string.info_note_enter_desktop); - sendBroadcast(sender); - } else { - /** - * There is the condition that user has input nothing (the note is - * not worthy saving), we have no note id, remind the user that he - * should input something - */ - Log.e(TAG, "Send to desktop error"); - showToast(R.string.error_note_empty_for_send_to_desktop); - } - } +if (mWorkingNote.getNoteId() > 0) { +Intent sender = new Intent(); +Intent shortcutIntent = new Intent(this, NoteEditActivity.class); +shortcutIntent.setAction(Intent.ACTION_VIEW); +shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); +sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); +sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, + makeShortcutIconTitle(mWorkingNote.getContent())); +sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, + Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); +sender.putExtra("duplicate", true); +sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); +showToast(R.string.info_note_enter_desktop); +sendBroadcast(sender); +} else { +/** + * There is the condition that user has input nothing (the note is + * not worthy saving), we have no note id, remind the user that he + * should input something + */ +Log.e(TAG, "Send to desktop error"); +showToast(R.string.error_note_empty_for_send_to_desktop); +} +} - private String makeShortcutIconTitle(String content) { - content = content.replace(TAG_CHECKED, ""); - content = content.replace(TAG_UNCHECKED, ""); - return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0, - SHORTCUT_ICON_TITLE_MAX_LEN) : content; - } +// 生成快捷方式图标标题的方法 +private String makeShortcutIconTitle(String content) { +content = content.replace(TAG_CHECKED, ""); +content = content.replace(TAG_UNCHECKED, ""); +return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN? content.substring(0, + SHORTCUT_ICON_TITLE_MAX_LEN) : content; +} - private void showToast(int resId) { - showToast(resId, Toast.LENGTH_SHORT); - } +// 显示吐司消息的方法 +private void showToast(int resId) { +showToast(resId, Toast.LENGTH_SHORT); +} - private void showToast(int resId, int duration) { - Toast.makeText(this, resId, duration).show(); - } +// 显示吐司消息的重载方法，可指定时长 +private void showToast(int resId, int duration) { +Toast.makeText(this, resId, duration).show(); } +} \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/src/app/src/main/java/net/micode/notes/ui/NoteEditText.java index 2afe2a8..0158fe6 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NoteEditText.java +++ b/src/app/src/main/java/net/micode/notes/ui/NoteEditText.java @@ -14,204 +14,218 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.content.Context; -import android.graphics.Rect; -import android.text.Layout; -import android.text.Selection; -import android.text.Spanned; -import android.text.TextUtils; -import android.text.style.URLSpan; -import android.util.AttributeSet; -import android.util.Log; -import android.view.ContextMenu; -import android.view.KeyEvent; -import android.view.MenuItem; -import android.view.MenuItem.OnMenuItemClickListener; -import android.view.MotionEvent; -import android.widget.EditText; - -import net.micode.notes.R; - -import java.util.HashMap; -import java.util.Map; - -public class NoteEditText extends EditText { - private static final String TAG = "NoteEditText"; - private int mIndex; - private int mSelectionStartBeforeDelete; - - private static final String SCHEME_TEL = "tel:" ; - private static final String SCHEME_HTTP = "http:" ; - private static final String SCHEME_EMAIL = "mailto:" ; - - private static final Map sSchemaActionResMap = new HashMap(); - static { - sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); - sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); - sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); - } - - /** - * Call by the {@link NoteEditActivity} to delete or add edit text - */ - public interface OnTextViewChangeListener { - /** - * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens - * and the text is null - */ - void onEditTextDelete(int index, String text); - - /** - * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} - * happen - */ - void onEditTextEnter(int index, String text); - - /** - * Hide or show item option when text change - */ - void onTextChange(int index, boolean hasText); - } - - private OnTextViewChangeListener mOnTextViewChangeListener; - - public NoteEditText(Context context) { - super(context, null); - mIndex = 0; - } - - public void setIndex(int index) { - mIndex = index; - } - - public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { - mOnTextViewChangeListener = listener; - } - - public NoteEditText(Context context, AttributeSet attrs) { - super(context, attrs, android.R.attr.editTextStyle); - } - - public NoteEditText(Context context, AttributeSet attrs, int defStyle) { - super(context, attrs, defStyle); - // TODO Auto-generated constructor stub - } - - @Override - public boolean onTouchEvent(MotionEvent event) { - switch (event.getAction()) { - case MotionEvent.ACTION_DOWN: - - int x = (int) event.getX(); - int y = (int) event.getY(); - x -= getTotalPaddingLeft(); - y -= getTotalPaddingTop(); - x += getScrollX(); - y += getScrollY(); - - Layout layout = getLayout(); - int line = layout.getLineForVertical(y); - int off = layout.getOffsetForHorizontal(line, x); - Selection.setSelection(getText(), off); - break; - } - - return super.onTouchEvent(event); - } - - @Override - public boolean onKeyDown(int keyCode, KeyEvent event) { - switch (keyCode) { - case KeyEvent.KEYCODE_ENTER: - if (mOnTextViewChangeListener != null) { - return false; - } - break; - case KeyEvent.KEYCODE_DEL: - mSelectionStartBeforeDelete = getSelectionStart(); - break; - default: - break; - } - return super.onKeyDown(keyCode, event); - } - - @Override - public boolean onKeyUp(int keyCode, KeyEvent event) { - switch(keyCode) { - case KeyEvent.KEYCODE_DEL: - if (mOnTextViewChangeListener != null) { - if (0 == mSelectionStartBeforeDelete && mIndex != 0) { - mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); - return true; - } - } else { - Log.d(TAG, "OnTextViewChangeListener was not seted"); - } - break; - case KeyEvent.KEYCODE_ENTER: - if (mOnTextViewChangeListener != null) { - int selectionStart = getSelectionStart(); - String text = getText().subSequence(selectionStart, length()).toString(); - setText(getText().subSequence(0, selectionStart)); - mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); - } else { - Log.d(TAG, "OnTextViewChangeListener was not seted"); - } - break; - default: - break; - } - return super.onKeyUp(keyCode, event); - } - - @Override - protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { - if (mOnTextViewChangeListener != null) { - if (!focused && TextUtils.isEmpty(getText())) { - mOnTextViewChangeListener.onTextChange(mIndex, false); - } else { - mOnTextViewChangeListener.onTextChange(mIndex, true); - } - } - super.onFocusChanged(focused, direction, previouslyFocusedRect); - } - - @Override - protected void onCreateContextMenu(ContextMenu menu) { - if (getText() instanceof Spanned) { - int selStart = getSelectionStart(); - int selEnd = getSelectionEnd(); - - int min = Math.min(selStart, selEnd); - int max = Math.max(selStart, selEnd); - - final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); - if (urls.length == 1) { - int defaultResId = 0; - for(String schema: sSchemaActionResMap.keySet()) { - if(urls[0].getURL().indexOf(schema) >= 0) { - defaultResId = sSchemaActionResMap.get(schema); - break; - } - } - - if (defaultResId == 0) { - defaultResId = R.string.note_link_other; - } - - menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( - new OnMenuItemClickListener() { - public boolean onMenuItemClick(MenuItem item) { - // goto a new intent - urls[0].onClick(NoteEditText.this); - return true; - } - }); - } - } - super.onCreateContextMenu(menu); - } -} + package net.micode.notes.ui; + + import android.content.Context; + import android.graphics.Rect; + import android.text.Layout; + import android.text.Selection; + import android.text.Spanned; + import android.text.TextUtils; + import android.text.style.URLSpan; + import android.util.AttributeSet; + import android.util.Log; + import android.view.ContextMenu; + import android.view.KeyEvent; + import android.view.MenuItem; + import android.view.MenuItem.OnMenuItemClickListener; + import android.view.MotionEvent; + import android.widget.EditText; + + import net.micode.notes.R; + + import java.util.HashMap; + import java.util.Map; + + // 定义一个名为 NoteEditText 的自定义 EditText 类 + public class NoteEditText extends EditText { + private static final String TAG = "NoteEditText"; + // 当前 EditText 的索引 + private int mIndex; + // 删除操作前的选中文本起始位置 + private int mSelectionStartBeforeDelete; + + // 不同的链接方案常量 + private static final String SCHEME_TEL = "tel:"; + private static final String SCHEME_HTTP = "http:"; + private static final String SCHEME_EMAIL = "mailto:"; + + // 存储链接方案和对应的资源 ID 的映射 + private static final Map sSchemaActionResMap = new HashMap(); + static { + sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); + sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); + sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); + } + + // 定义接口，用于在 NoteEditActivity 中监听 EditText 的变化 + public interface OnTextViewChangeListener { + // 当按下删除键且文本为空时，删除当前 EditText + void onEditTextDelete(int index, String text); + + // 当按下回车键时，在当前 EditText 后添加一个新的 EditText + void onEditTextEnter(int index, String text); + + // 根据文本是否存在显示或隐藏选项 + void onTextChange(int index, boolean hasText); + } + + // 用于监听文本变化的接口实例 + private OnTextViewChangeListener mOnTextViewChangeListener; + + // 构造函数，接受上下文 + public NoteEditText(Context context) { + super(context, null); + mIndex = 0; + } + + // 设置当前 EditText 的索引 + public void setIndex(int index) { + mIndex = index; + } + + // 设置文本变化监听器 + public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { + mOnTextViewChangeListener = listener; + } + + // 构造函数，接受上下文和属性集 + public NoteEditText(Context context, AttributeSet attrs) { + super(context, attrs, android.R.attr.editTextStyle); + } + + // 构造函数，接受上下文、属性集和样式 + public NoteEditText(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + // TODO Auto-generated constructor stub + } + + // 处理触摸事件 + @Override + public boolean onTouchEvent(MotionEvent event) { + switch (event.getAction()) { + case MotionEvent.ACTION_DOWN: + // 获取触摸点坐标并进行调整 + int x = (int) event.getX(); + int y = (int) event.getY(); + x -= getTotalPaddingLeft(); + y -= getTotalPaddingTop(); + x += getScrollX(); + y += getScrollY(); + + Layout layout = getLayout(); + // 获取触摸点所在的行 + int line = layout.getLineForVertical(y); + // 获取触摸点在行中的偏移量 + int off = layout.getOffsetForHorizontal(line, x); + // 设置选中文本 + Selection.setSelection(getText(), off); + break; + } + return super.onTouchEvent(event); + } + + // 处理按键按下事件 + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + switch (keyCode) { + case KeyEvent.KEYCODE_ENTER: + if (mOnTextViewChangeListener!= null) { + return false; + } + break; + case KeyEvent.KEYCODE_DEL: + // 记录删除操作前的选中文本起始位置 + mSelectionStartBeforeDelete = getSelectionStart(); + break; + default: + break; + } + return super.onKeyDown(keyCode, event); + } + + // 处理按键抬起事件 + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) { + switch (keyCode) { + case KeyEvent.KEYCODE_DEL: + if (mOnTextViewChangeListener!= null) { + // 如果起始位置为 0 且不是第一个 EditText，则调用删除方法 + if (0 == mSelectionStartBeforeDelete && mIndex!= 0) { + mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); + return true; + } + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted"); + } + break; + case KeyEvent.KEYCODE_ENTER: + if (mOnTextViewChangeListener!= null) { + int selectionStart = getSelectionStart(); + // 获取选中文本后的剩余文本 + String text = getText().subSequence(selectionStart, length()).toString(); + // 设置 EditText 的文本为选中前的部分 + setText(getText().subSequence(0, selectionStart)); + // 调用添加新 EditText 的方法 + mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted"); + } + break; + default: + break; + } + return super.onKeyUp(keyCode, event); + } + + // 处理焦点变化事件 + @Override + protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { + if (mOnTextViewChangeListener!= null) { + // 根据是否有焦点和文本是否为空，调用文本变化监听器方法 + if (!focused && TextUtils.isEmpty(getText())) { + mOnTextViewChangeListener.onTextChange(mIndex, false); + } else { + mOnTextViewChangeListener.onTextChange(mIndex, true); + } + } + super.onFocusChanged(focused, direction, previouslyFocusedRect); + } + + // 创建上下文菜单 + @Override + protected void onCreateContextMenu(ContextMenu menu) { + if (getText() instanceof Spanned) { + int selStart = getSelectionStart(); + int selEnd = getSelectionEnd(); + + int min = Math.min(selStart, selEnd); + int max = Math.max(selStart, selEnd); + + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); + if (urls.length == 1) { + int defaultResId = 0; + for (String schema : sSchemaActionResMap.keySet()) { + if (urls[0].getURL().indexOf(schema) >= 0) { + defaultResId = sSchemaActionResMap.get(schema); + break; + } + } + + if (defaultResId == 0) { + defaultResId = R.string.note_link_other; + } + + menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( + new OnMenuItemClickListener() { + public boolean onMenuItemClick(MenuItem item) { + // 点击菜单项时触发链接的点击事件 + urls[0].onClick(NoteEditText.this); + return true; + } + }); + } + } + super.onCreateContextMenu(menu); + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NoteItemData.java b/src/app/src/main/java/net/micode/notes/ui/NoteItemData.java index 0f5a878..a962107 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NoteItemData.java +++ b/src/app/src/main/java/net/micode/notes/ui/NoteItemData.java @@ -14,211 +14,247 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.content.Context; -import android.database.Cursor; -import android.text.TextUtils; - -import net.micode.notes.data.Contact; -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.tool.DataUtils; - - -public class NoteItemData { - static final String [] PROJECTION = new String [] { - NoteColumns.ID, - NoteColumns.ALERTED_DATE, - NoteColumns.BG_COLOR_ID, - NoteColumns.CREATED_DATE, - NoteColumns.HAS_ATTACHMENT, - NoteColumns.MODIFIED_DATE, - NoteColumns.NOTES_COUNT, - NoteColumns.PARENT_ID, - NoteColumns.SNIPPET, - NoteColumns.TYPE, - NoteColumns.WIDGET_ID, - NoteColumns.WIDGET_TYPE, - }; - - private static final int ID_COLUMN = 0; - private static final int ALERTED_DATE_COLUMN = 1; - private static final int BG_COLOR_ID_COLUMN = 2; - private static final int CREATED_DATE_COLUMN = 3; - private static final int HAS_ATTACHMENT_COLUMN = 4; - private static final int MODIFIED_DATE_COLUMN = 5; - private static final int NOTES_COUNT_COLUMN = 6; - private static final int PARENT_ID_COLUMN = 7; - private static final int SNIPPET_COLUMN = 8; - private static final int TYPE_COLUMN = 9; - private static final int WIDGET_ID_COLUMN = 10; - private static final int WIDGET_TYPE_COLUMN = 11; - - private long mId; - private long mAlertDate; - private int mBgColorId; - private long mCreatedDate; - private boolean mHasAttachment; - private long mModifiedDate; - private int mNotesCount; - private long mParentId; - private String mSnippet; - private int mType; - private int mWidgetId; - private int mWidgetType; - private String mName; - private String mPhoneNumber; - - private boolean mIsLastItem; - private boolean mIsFirstItem; - private boolean mIsOnlyOneItem; - private boolean mIsOneNoteFollowingFolder; - private boolean mIsMultiNotesFollowingFolder; - - public NoteItemData(Context context, Cursor cursor) { - mId = cursor.getLong(ID_COLUMN); - mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); - mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); - mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); - mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false; - mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); - mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); - mParentId = cursor.getLong(PARENT_ID_COLUMN); - mSnippet = cursor.getString(SNIPPET_COLUMN); - mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( - NoteEditActivity.TAG_UNCHECKED, ""); - mType = cursor.getInt(TYPE_COLUMN); - mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); - mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); - - mPhoneNumber = ""; - if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { - mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); - if (!TextUtils.isEmpty(mPhoneNumber)) { - mName = Contact.getContact(context, mPhoneNumber); - if (mName == null) { - mName = mPhoneNumber; - } - } - } - - if (mName == null) { - mName = ""; - } - checkPostion(cursor); - } - - private void checkPostion(Cursor cursor) { - mIsLastItem = cursor.isLast() ? true : false; - mIsFirstItem = cursor.isFirst() ? true : false; - mIsOnlyOneItem = (cursor.getCount() == 1); - mIsMultiNotesFollowingFolder = false; - mIsOneNoteFollowingFolder = false; - - if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { - int position = cursor.getPosition(); - if (cursor.moveToPrevious()) { - if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER - || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { - if (cursor.getCount() > (position + 1)) { - mIsMultiNotesFollowingFolder = true; - } else { - mIsOneNoteFollowingFolder = true; - } - } - if (!cursor.moveToNext()) { - throw new IllegalStateException("cursor move to previous but can't move back"); - } - } - } - } - - public boolean isOneFollowingFolder() { - return mIsOneNoteFollowingFolder; - } - - public boolean isMultiFollowingFolder() { - return mIsMultiNotesFollowingFolder; - } - - public boolean isLast() { - return mIsLastItem; - } - - public String getCallName() { - return mName; - } - - public boolean isFirst() { - return mIsFirstItem; - } - - public boolean isSingle() { - return mIsOnlyOneItem; - } - - public long getId() { - return mId; - } - - public long getAlertDate() { - return mAlertDate; - } - - public long getCreatedDate() { - return mCreatedDate; - } - - public boolean hasAttachment() { - return mHasAttachment; - } - - public long getModifiedDate() { - return mModifiedDate; - } - - public int getBgColorId() { - return mBgColorId; - } - - public long getParentId() { - return mParentId; - } - - public int getNotesCount() { - return mNotesCount; - } - - public long getFolderId () { - return mParentId; - } - - public int getType() { - return mType; - } - - public int getWidgetType() { - return mWidgetType; - } - - public int getWidgetId() { - return mWidgetId; - } - - public String getSnippet() { - return mSnippet; - } - - public boolean hasAlert() { - return (mAlertDate > 0); - } - - public boolean isCallRecord() { - return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); - } - - public static int getNoteType(Cursor cursor) { - return cursor.getInt(TYPE_COLUMN); - } -} + package net.micode.notes.ui; + + import android.content.Context; + import android.database.Cursor; + import android.text.TextUtils; + + import net.micode.notes.data.Contact; + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.NoteColumns; + import net.micode.notes.tool.DataUtils; + + // 定义一个名为 NoteItemData 的类，用于存储笔记项的数据 + public class NoteItemData { + // 定义查询投影，包含多个列 + static final String[] PROJECTION = new String[]{ + NoteColumns.ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, + NoteColumns.HAS_ATTACHMENT, + NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, + NoteColumns.PARENT_ID, + NoteColumns.SNIPPET, + NoteColumns.TYPE, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, + }; + + // 各个列的索引常量 + private static final int ID_COLUMN = 0; + private static final int ALERTED_DATE_COLUMN = 1; + private static final int BG_COLOR_ID_COLUMN = 2; + private static final int CREATED_DATE_COLUMN = 3; + private static final int HAS_ATTACHMENT_COLUMN = 4; + private static final int MODIFIED_DATE_COLUMN = 5; + private static final int NOTES_COUNT_COLUMN = 6; + private static final int PARENT_ID_COLUMN = 7; + private static final int SNIPPET_COLUMN = 8; + private static final int TYPE_COLUMN = 9; + private static final int WIDGET_ID_COLUMN = 10; + private static final int WIDGET_TYPE_COLUMN = 11; + + // 笔记项的各个属性 + private long mId; + private long mAlertDate; + private int mBgColorId; + private long mCreatedDate; + private boolean mHasAttachment; + private long mModifiedDate; + private int mNotesCount; + private long mParentId; + private String mSnippet; + private int mType; + private int mWidgetId; + private int mWidgetType; + private String mName; + private String mPhoneNumber; + + // 用于标记笔记项在列表中的位置相关属性 + private boolean mIsLastItem; + private boolean mIsFirstItem; + private boolean mIsOnlyOneItem; + private boolean mIsOneNoteFollowingFolder; + private boolean mIsMultiNotesFollowingFolder; + + // 构造函数，接受上下文和游标，用于从游标中提取数据初始化笔记项 + public NoteItemData(Context context, Cursor cursor) { + // 从游标中获取各个列的值并初始化相应的属性 + mId = cursor.getLong(ID_COLUMN); + mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); + mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); + mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); + mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0)? true : false; + mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); + mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); + mParentId = cursor.getLong(PARENT_ID_COLUMN); + mSnippet = cursor.getString(SNIPPET_COLUMN); + // 处理片段内容，去除特定标记 + mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( + NoteEditActivity.TAG_UNCHECKED, ""); + mType = cursor.getInt(TYPE_COLUMN); + mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); + + mPhoneNumber = ""; + // 如果父 ID 是通话记录文件夹的 ID，则获取通话号码并设置名称 + if (mParentId == Notes.ID_CALL_RECORD_FOLDER) { + mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); + if (!TextUtils.isEmpty(mPhoneNumber)) { + mName = Contact.getContact(context, mPhoneNumber); + if (mName == null) { + mName = mPhoneNumber; + } + } + } + + if (mName == null) { + mName = ""; + } + // 检查笔记项在游标中的位置 + checkPostion(cursor); + } + + // 检查笔记项在游标中的位置的私有方法 + private void checkPostion(Cursor cursor) { + // 设置是否为最后一项、第一项、唯一项等标志 + mIsLastItem = cursor.isLast()? true : false; + mIsFirstItem = cursor.isFirst()? true : false; + mIsOnlyOneItem = (cursor.getCount() == 1); + mIsMultiNotesFollowingFolder = false; + mIsOneNoteFollowingFolder = false; + + // 如果笔记类型为普通笔记且不是第一项 + if (mType == Notes.TYPE_NOTE &&!mIsFirstItem) { + int position = cursor.getPosition(); + // 移动游标到前一项并检查其类型 + if (cursor.moveToPrevious()) { + if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) { + if (cursor.getCount() > (position + 1)) { + mIsMultiNotesFollowingFolder = true; + } else { + mIsOneNoteFollowingFolder = true; + } + } + // 尝试将游标移回原位，如果失败则抛出异常 + if (!cursor.moveToNext()) { + throw new IllegalStateException("cursor move to previous but can't move back"); + } + } + } + } + + // 判断是否有一个笔记项跟随在文件夹后面 + public boolean isOneFollowingFolder() { + return mIsOneNoteFollowingFolder; + } + + // 判断是否有多个笔记项跟随在文件夹后面 + public boolean isMultiFollowingFolder() { + return mIsMultiNotesFollowingFolder; + } + + // 判断是否为最后一项 + public boolean isLast() { + return mIsLastItem; + } + + // 获取通话记录的名称 + public String getCallName() { + return mName; + } + + // 判断是否为第一项 + public boolean isFirst() { + return mIsFirstItem; + } + + // 判断是否为唯一项 + public boolean isSingle() { + return mIsOnlyOneItem; + } + + // 获取笔记项的 ID + public long getId() { + return mId; + } + + // 获取提醒日期 + public long getAlertDate() { + return mAlertDate; + } + + // 获取创建日期 + public long getCreatedDate() { + return mCreatedDate; + } + + // 判断是否有附件 + public boolean hasAttachment() { + return mHasAttachment; + } + + // 获取修改日期 + public long getModifiedDate() { + return mModifiedDate; + } + + // 获取背景颜色 ID + public int getBgColorId() { + return mBgColorId; + } + + // 获取父 ID（文件夹 ID） + public long getParentId() { + return mParentId; + } + + // 获取笔记数量 + public int getNotesCount() { + return mNotesCount; + } + + // 获取文件夹 ID + public long getFolderId() { + return mParentId; + } + + // 获取笔记类型 + public int getType() { + return mType; + } + + // 获取小部件类型 + public int getWidgetType() { + return mWidgetType; + } + + // 获取小部件 ID + public int getWidgetId() { + return mWidgetId; + } + + // 获取片段内容 + public String getSnippet() { + return mSnippet; + } + + // 判断是否有提醒 + public boolean hasAlert() { + return (mAlertDate > 0); + } + + // 判断是否为通话记录 + public boolean isCallRecord() { + return (mParentId == Notes.ID_CALL_RECORD_FOLDER &&!TextUtils.isEmpty(mPhoneNumber)); + } + + // 静态方法，从游标中获取笔记类型 + public static int getNoteType(Cursor cursor) { + return cursor.getInt(TYPE_COLUMN); + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java b/src/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java index 51c9cb9..b13f28f 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java +++ b/src/app/src/main/java/net/micode/notes/ui/NotesListAdapter.java @@ -14,171 +14,198 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.content.Context; -import android.database.Cursor; -import android.util.Log; -import android.view.View; -import android.view.ViewGroup; -import android.widget.CursorAdapter; - -import net.micode.notes.data.Notes; - -import java.util.Collection; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; - - -public class NotesListAdapter extends CursorAdapter { - private static final String TAG = "NotesListAdapter"; - private Context mContext; - private HashMap mSelectedIndex; - private int mNotesCount; - private boolean mChoiceMode; - - public static class AppWidgetAttribute { - public int widgetId; - public int widgetType; - }; - - public NotesListAdapter(Context context) { - super(context, null); - mSelectedIndex = new HashMap(); - mContext = context; - mNotesCount = 0; - } - - @Override - public View newView(Context context, Cursor cursor, ViewGroup parent) { - return new NotesListItem(context); - } - - @Override - public void bindView(View view, Context context, Cursor cursor) { - if (view instanceof NotesListItem) { - NoteItemData itemData = new NoteItemData(context, cursor); - ((NotesListItem) view).bind(context, itemData, mChoiceMode, - isSelectedItem(cursor.getPosition())); - } - } - - public void setCheckedItem(final int position, final boolean checked) { - mSelectedIndex.put(position, checked); - notifyDataSetChanged(); - } - - public boolean isInChoiceMode() { - return mChoiceMode; - } - - public void setChoiceMode(boolean mode) { - mSelectedIndex.clear(); - mChoiceMode = mode; - } - - public void selectAll(boolean checked) { - Cursor cursor = getCursor(); - for (int i = 0; i < getCount(); i++) { - if (cursor.moveToPosition(i)) { - if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { - setCheckedItem(i, checked); - } - } - } - } - - public HashSet getSelectedItemIds() { - HashSet itemSet = new HashSet(); - for (Integer position : mSelectedIndex.keySet()) { - if (mSelectedIndex.get(position) == true) { - Long id = getItemId(position); - if (id == Notes.ID_ROOT_FOLDER) { - Log.d(TAG, "Wrong item id, should not happen"); - } else { - itemSet.add(id); - } - } - } - - return itemSet; - } - - public HashSet getSelectedWidget() { - HashSet itemSet = new HashSet(); - for (Integer position : mSelectedIndex.keySet()) { - if (mSelectedIndex.get(position) == true) { - Cursor c = (Cursor) getItem(position); - if (c != null) { - AppWidgetAttribute widget = new AppWidgetAttribute(); - NoteItemData item = new NoteItemData(mContext, c); - widget.widgetId = item.getWidgetId(); - widget.widgetType = item.getWidgetType(); - itemSet.add(widget); - /** - * Don't close cursor here, only the adapter could close it - */ - } else { - Log.e(TAG, "Invalid cursor"); - return null; - } - } - } - return itemSet; - } - - public int getSelectedCount() { - Collection values = mSelectedIndex.values(); - if (null == values) { - return 0; - } - Iterator iter = values.iterator(); - int count = 0; - while (iter.hasNext()) { - if (true == iter.next()) { - count++; - } - } - return count; - } - - public boolean isAllSelected() { - int checkedCount = getSelectedCount(); - return (checkedCount != 0 && checkedCount == mNotesCount); - } - - public boolean isSelectedItem(final int position) { - if (null == mSelectedIndex.get(position)) { - return false; - } - return mSelectedIndex.get(position); - } - - @Override - protected void onContentChanged() { - super.onContentChanged(); - calcNotesCount(); - } - - @Override - public void changeCursor(Cursor cursor) { - super.changeCursor(cursor); - calcNotesCount(); - } - - private void calcNotesCount() { - mNotesCount = 0; - for (int i = 0; i < getCount(); i++) { - Cursor c = (Cursor) getItem(i); - if (c != null) { - if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { - mNotesCount++; - } - } else { - Log.e(TAG, "Invalid cursor"); - return; - } - } - } -} + package net.micode.notes.ui; + + import android.content.Context; + import android.database.Cursor; + import android.util.Log; + import android.view.View; + import android.view.ViewGroup; + import android.widget.CursorAdapter; + + import net.micode.notes.data.Notes; + + import java.util.Collection; + import java.util.HashMap; + import java.util.HashSet; + import java.util.Iterator; + + // 定义一个名为 NotesListAdapter 的类，继承自 CursorAdapter + public class NotesListAdapter extends CursorAdapter { + private static final String TAG = "NotesListAdapter"; + private Context mContext; + // 用于存储选中项位置和选中状态的哈希表 + private HashMap mSelectedIndex; + // 笔记数量 + private int mNotesCount; + // 是否处于选择模式 + private boolean mChoiceMode; + + // 内部类，用于存储小部件的属性 + public static class AppWidgetAttribute { + public int widgetId; + public int widgetType; + }; + + // 构造函数，接受上下文 + public NotesListAdapter(Context context) { + super(context, null); + // 初始化选中项的哈希表 + mSelectedIndex = new HashMap(); + mContext = context; + mNotesCount = 0; + } + + // 创建新视图的方法 + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + return new NotesListItem(context); + } + + // 绑定数据到视图的方法 + @Override + public void bindView(View view, Context context, Cursor cursor) { + if (view instanceof NotesListItem) { + // 创建 NoteItemData 对象，用于存储笔记项的数据 + NoteItemData itemData = new NoteItemData(context, cursor); + // 绑定数据到 NotesListItem 视图 + ((NotesListItem) view).bind(context, itemData, mChoiceMode, + isSelectedItem(cursor.getPosition())); + } + } + + // 设置指定位置的项为选中或未选中状态的方法 + public void setCheckedItem(final int position, final boolean checked) { + mSelectedIndex.put(position, checked); + // 通知数据改变，刷新视图 + notifyDataSetChanged(); + } + + // 判断是否处于选择模式 + public boolean isInChoiceMode() { + return mChoiceMode; + } + + // 设置选择模式的方法 + public void setChoiceMode(boolean mode) { + // 清空选中项的哈希表 + mSelectedIndex.clear(); + mChoiceMode = mode; + } + + // 全选或全不选的方法 + public void selectAll(boolean checked) { + Cursor cursor = getCursor(); + for (int i = 0; i < getCount(); i++) { + if (cursor.moveToPosition(i)) { + // 如果是笔记类型，则设置选中状态 + if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { + setCheckedItem(i, checked); + } + } + } + } + + // 获取选中项的 ID 集合的方法 + public HashSet getSelectedItemIds() { + HashSet itemSet = new HashSet(); + for (Integer position : mSelectedIndex.keySet()) { + if (mSelectedIndex.get(position) == true) { + Long id = getItemId(position); + if (id == Notes.ID_ROOT_FOLDER) { + Log.d(TAG, "Wrong item id, should not happen"); + } else { + itemSet.add(id); + } + } + } + + return itemSet; + } + + // 获取选中的小部件属性集合的方法 + public HashSet getSelectedWidget() { + HashSet itemSet = new HashSet(); + for (Integer position : mSelectedIndex.keySet()) { + if (mSelectedIndex.get(position) == true) { + Cursor c = (Cursor) getItem(position); + if (c!= null) { + AppWidgetAttribute widget = new AppWidgetAttribute(); + NoteItemData item = new NoteItemData(mContext, c); + widget.widgetId = item.getWidgetId(); + widget.widgetType = item.getWidgetType(); + itemSet.add(widget); + /** + * Don't close cursor here, only the adapter could close it + */ + } else { + Log.e(TAG, "Invalid cursor"); + return null; + } + } + } + return itemSet; + } + + // 获取选中项的数量的方法 + public int getSelectedCount() { + Collection values = mSelectedIndex.values(); + if (null == values) { + return 0; + } + Iterator iter = values.iterator(); + int count = 0; + while (iter.hasNext()) { + if (true == iter.next()) { + count++; + } + } + return count; + } + + // 判断是否全选的方法 + public boolean isAllSelected() { + int checkedCount = getSelectedCount(); + return (checkedCount!= 0 && checkedCount == mNotesCount); + } + + // 判断指定位置的项是否被选中的方法 + public boolean isSelectedItem(final int position) { + if (null == mSelectedIndex.get(position)) { + return false; + } + return mSelectedIndex.get(position); + } + + // 当数据内容改变时调用的方法 + @Override + protected void onContentChanged() { + super.onContentChanged(); + // 计算笔记数量 + calcNotesCount(); + } + + // 更换游标时调用的方法 + @Override + public void changeCursor(Cursor cursor) { + super.changeCursor(cursor); + // 计算笔记数量 + calcNotesCount(); + } + + // 计算笔记数量的私有方法 + private void calcNotesCount() { + mNotesCount = 0; + for (int i = 0; i < getCount(); i++) { + Cursor c = (Cursor) getItem(i); + if (c!= null) { + if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { + mNotesCount++; + } + } else { + Log.e(TAG, "Invalid cursor"); + return; + } + } + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NotesListItem.java b/src/app/src/main/java/net/micode/notes/ui/NotesListItem.java index 1221e80..1bb8427 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NotesListItem.java +++ b/src/app/src/main/java/net/micode/notes/ui/NotesListItem.java @@ -14,109 +14,144 @@ * limitations under the License. */ -package net.micode.notes.ui; + package net.micode.notes.ui; -import android.content.Context; -import android.text.format.DateUtils; -import android.view.View; -import android.widget.CheckBox; -import android.widget.ImageView; -import android.widget.LinearLayout; -import android.widget.TextView; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.tool.DataUtils; -import net.micode.notes.tool.ResourceParser.NoteItemBgResources; - - -public class NotesListItem extends LinearLayout { - private ImageView mAlert; - private TextView mTitle; - private TextView mTime; - private TextView mCallName; - private NoteItemData mItemData; - private CheckBox mCheckBox; - - public NotesListItem(Context context) { - super(context); - inflate(context, R.layout.note_item, this); - mAlert = (ImageView) findViewById(R.id.iv_alert_icon); - mTitle = (TextView) findViewById(R.id.tv_title); - mTime = (TextView) findViewById(R.id.tv_time); - mCallName = (TextView) findViewById(R.id.tv_name); - mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); - } - - public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { - if (choiceMode && data.getType() == Notes.TYPE_NOTE) { - mCheckBox.setVisibility(View.VISIBLE); - mCheckBox.setChecked(checked); - } else { - mCheckBox.setVisibility(View.GONE); - } - - mItemData = data; - if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { - mCallName.setVisibility(View.GONE); - mAlert.setVisibility(View.VISIBLE); - mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); - mTitle.setText(context.getString(R.string.call_record_folder_name) - + context.getString(R.string.format_folder_files_count, data.getNotesCount())); - mAlert.setImageResource(R.drawable.call_record); - } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) { - mCallName.setVisibility(View.VISIBLE); - mCallName.setText(data.getCallName()); - mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); - mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); - if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); - mAlert.setVisibility(View.VISIBLE); - } else { - mAlert.setVisibility(View.GONE); - } - } else { - mCallName.setVisibility(View.GONE); - mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); - - if (data.getType() == Notes.TYPE_FOLDER) { - mTitle.setText(data.getSnippet() - + context.getString(R.string.format_folder_files_count, - data.getNotesCount())); - mAlert.setVisibility(View.GONE); - } else { - mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); - if (data.hasAlert()) { - mAlert.setImageResource(R.drawable.clock); - mAlert.setVisibility(View.VISIBLE); - } else { - mAlert.setVisibility(View.GONE); - } - } - } - mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); - - setBackground(data); - } - - private void setBackground(NoteItemData data) { - int id = data.getBgColorId(); - if (data.getType() == Notes.TYPE_NOTE) { - if (data.isSingle() || data.isOneFollowingFolder()) { - setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); - } else if (data.isLast()) { - setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); - } else if (data.isFirst() || data.isMultiFollowingFolder()) { - setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); - } else { - setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); - } - } else { - setBackgroundResource(NoteItemBgResources.getFolderBgRes()); - } - } - - public NoteItemData getItemData() { - return mItemData; - } -} + import android.content.Context; + import android.text.format.DateUtils; + import android.view.View; + import android.widget.CheckBox; + import android.widget.ImageView; + import android.widget.LinearLayout; + import android.widget.TextView; + + import net.micode.notes.R; + import net.micode.notes.data.Notes; + import net.micode.notes.tool.DataUtils; + import net.micode.notes.tool.ResourceParser.NoteItemBgResources; + + // 定义一个名为 NotesListItem 的类，继承自 LinearLayout + public class NotesListItem extends LinearLayout { + // 提醒图标 + private ImageView mAlert; + // 标题文本视图 + private TextView mTitle; + // 时间文本视图 + private TextView mTime; + // 通话记录名称文本视图 + private TextView mCallName; + // 复选框 + private NoteItemData mItemData; + private CheckBox mCheckBox; + + // 构造函数，接受上下文 + public NotesListItem(Context context) { + super(context); + // 从布局文件中填充视图 + inflate(context, R.layout.note_item, this); + mAlert = (ImageView) findViewById(R.id.iv_alert_icon); + mTitle = (TextView) findViewById(R.id.tv_title); + mTime = (TextView) findViewById(R.id.tv_time); + mCallName = (TextView) findViewById(R.id.tv_name); + mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); + } + + // 绑定数据到视图的方法 + public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { + // 如果处于选择模式且数据类型为笔记类型 + if (choiceMode && data.getType() == Notes.TYPE_NOTE) { + // 显示复选框并设置选中状态 + mCheckBox.setVisibility(View.VISIBLE); + mCheckBox.setChecked(checked); + } else { + // 隐藏复选框 + mCheckBox.setVisibility(View.GONE); + } + + mItemData = data; + // 如果是通话记录文件夹 + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { + // 隐藏通话记录名称视图 + mCallName.setVisibility(View.GONE); + // 显示提醒图标 + mAlert.setVisibility(View.VISIBLE); + // 设置标题文本外观和内容 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + mTitle.setText(context.getString(R.string.call_record_folder_name) + + context.getString(R.string.format_folder_files_count, data.getNotesCount())); + // 设置提醒图标资源为通话记录图标 + mAlert.setImageResource(R.drawable.call_record); + } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) { + // 显示通话记录名称视图 + mCallName.setVisibility(View.VISIBLE); + // 设置通话记录名称文本 + mCallName.setText(data.getCallName()); + // 设置标题文本外观 + mTitle.setTextAppearance(context, R.style.TextAppearanceSecondaryItem); + // 设置标题文本为格式化后的片段内容 + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + // 如果有提醒，则显示提醒图标 + if (data.hasAlert()) { + mAlert.setImageResource(R.drawable.clock); + mAlert.setVisibility(View.VISIBLE); + } else { + // 没有提醒则隐藏提醒图标 + mAlert.setVisibility(View.GONE); + } + } else { + // 隐藏通话记录名称视图 + mCallName.setVisibility(View.GONE); + // 设置标题文本外观 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + + if (data.getType() == Notes.TYPE_FOLDER) { + // 如果是文件夹类型，设置标题文本为片段内容加上文件数量 + mTitle.setText(data.getSnippet() + + context.getString(R.string.format_folder_files_count, + data.getNotesCount())); + // 隐藏提醒图标 + mAlert.setVisibility(View.GONE); + } else { + // 如果是笔记类型，设置标题文本为格式化后的片段内容 + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + // 如果有提醒，则显示提醒图标 + if (data.hasAlert()) { + mAlert.setImageResource(R.drawable.clock); + mAlert.setVisibility(View.VISIBLE); + } else { + // 没有提醒则隐藏提醒图标 + mAlert.setVisibility(View.GONE); + } + } + } + // 设置时间文本为相对时间 + mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); + + // 设置背景 + setBackground(data); + } + + // 设置背景的私有方法 + private void setBackground(NoteItemData data) { + int id = data.getBgColorId(); + if (data.getType() == Notes.TYPE_NOTE) { + // 根据不同的位置状态设置不同的笔记背景资源 + if (data.isSingle() || data.isOneFollowingFolder()) { + setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); + } else if (data.isLast()) { + setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); + } else if (data.isFirst() || data.isMultiFollowingFolder()) { + setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); + } else { + setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); + } + } else { + // 设置文件夹的背景资源 + setBackgroundResource(NoteItemBgResources.getFolderBgRes()); + } + } + + // 获取当前项的数据对象 + public NoteItemData getItemData() { + return mItemData; + } + } \ No newline at end of file diff --git a/src/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java b/src/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java index 07c5f7e..b3e3286 100644 --- a/src/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java +++ b/src/app/src/main/java/net/micode/notes/ui/NotesPreferenceActivity.java @@ -14,367 +14,388 @@ * limitations under the License. */ -package net.micode.notes.ui; - -import android.accounts.Account; -import android.accounts.AccountManager; -import android.app.ActionBar; -import android.app.AlertDialog; -import android.content.BroadcastReceiver; -import android.content.ContentValues; -import android.content.Context; -import android.content.DialogInterface; -import android.content.Intent; -import android.content.IntentFilter; -import android.content.SharedPreferences; -import android.os.Bundle; -import android.preference.Preference; -import android.preference.Preference.OnPreferenceClickListener; -import android.preference.PreferenceActivity; -import android.preference.PreferenceCategory; -import android.text.TextUtils; -import android.text.format.DateFormat; -import android.view.LayoutInflater; -import android.view.Menu; -import android.view.MenuItem; -import android.view.View; -import android.widget.Button; -import android.widget.TextView; -import android.widget.Toast; - -import net.micode.notes.R; -import net.micode.notes.data.Notes; -import net.micode.notes.data.Notes.NoteColumns; -import net.micode.notes.gtask.remote.GTaskSyncService; - - -public class NotesPreferenceActivity extends PreferenceActivity { - public static final String PREFERENCE_NAME = "notes_preferences"; - - public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; - - public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; - - public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; - - private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; - - private static final String AUTHORITIES_FILTER_KEY = "authorities"; - - private PreferenceCategory mAccountCategory; - - private GTaskReceiver mReceiver; - - private Account[] mOriAccounts; - - private boolean mHasAddedAccount; - - @Override - protected void onCreate(Bundle icicle) { - super.onCreate(icicle); - - /* using the app icon for navigation */ - getActionBar().setDisplayHomeAsUpEnabled(true); - - addPreferencesFromResource(R.xml.preferences); - mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); - mReceiver = new GTaskReceiver(); - IntentFilter filter = new IntentFilter(); - filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); - registerReceiver(mReceiver, filter); - - mOriAccounts = null; - View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); - getListView().addHeaderView(header, null, true); - } - - @Override - protected void onResume() { - super.onResume(); - - // need to set sync account automatically if user has added a new - // account - if (mHasAddedAccount) { - Account[] accounts = getGoogleAccounts(); - if (mOriAccounts != null && accounts.length > mOriAccounts.length) { - for (Account accountNew : accounts) { - boolean found = false; - for (Account accountOld : mOriAccounts) { - if (TextUtils.equals(accountOld.name, accountNew.name)) { - found = true; - break; - } - } - if (!found) { - setSyncAccount(accountNew.name); - break; - } - } - } - } - - refreshUI(); - } - - @Override - protected void onDestroy() { - if (mReceiver != null) { - unregisterReceiver(mReceiver); - } - super.onDestroy(); - } - - private void loadAccountPreference() { - mAccountCategory.removeAll(); - - Preference accountPref = new Preference(this); - final String defaultAccount = getSyncAccountName(this); - accountPref.setTitle(getString(R.string.preferences_account_title)); - accountPref.setSummary(getString(R.string.preferences_account_summary)); - accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { - public boolean onPreferenceClick(Preference preference) { - if (!GTaskSyncService.isSyncing()) { - if (TextUtils.isEmpty(defaultAccount)) { - // the first time to set account - showSelectAccountAlertDialog(); - } else { - // if the account has already been set, we need to promp - // user about the risk - showChangeAccountConfirmAlertDialog(); - } - } else { - Toast.makeText(NotesPreferenceActivity.this, - R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) + package net.micode.notes.ui; + + import android.accounts.Account; + import android.accounts.AccountManager; + import android.app.ActionBar; + import android.app.AlertDialog; + import android.content.BroadcastReceiver; + import android.content.ContentValues; + import android.content.Context; + import android.content.DialogInterface; + import android.content.Intent; + import android.content.IntentFilter; + import android.content.SharedPreferences; + import android.os.Bundle; + import android.preference.Preference; + import android.preference.Preference.OnPreferenceClickListener; + import android.preference.PreferenceActivity; + import android.preference.PreferenceCategory; + import android.text.TextUtils; + import android.text.format.DateFormat; + import android.view.LayoutInflater; + import android.view.Menu; + import android.view.MenuItem; + import android.view.View; + import android.widget.Button; + import android.widget.TextView; + import android.widget.Toast; + + import net.micode.notes.R; + import net.micode.notes.data.Notes; + import net.micode.notes.data.Notes.NoteColumns; + import net.micode.notes.gtask.remote.GTaskSyncService; + + // 定义一个名为 NotesPreferenceActivity 的类，继承自 PreferenceActivity + public class NotesPreferenceActivity extends PreferenceActivity { + public static final String PREFERENCE_NAME = "notes_preferences"; + // 同步账户名称的偏好键名 + public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; + // 最后同步时间的偏好键名 + public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; + // 设置背景颜色随机出现的偏好键名 + public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; + // 同步账户偏好类别键名 + private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key"; + // 权限过滤器键名 + private static final String AUTHORITIES_FILTER_KEY = "authorities"; + + // 账户偏好类别对象 + private PreferenceCategory mAccountCategory; + // 广播接收器对象 + private GTaskReceiver mReceiver; + // 原始账户数组 + private Account[] mOriAccounts; + // 是否添加了账户的标志 + private boolean mHasAddedAccount; + + // 活动创建时调用的方法 + @Override + protected void onCreate(Bundle icicle) { + super.onCreate(icicle); + + /* using the app icon for navigation */ + getActionBar().setDisplayHomeAsUpEnabled(true); + + // 从资源文件中加载偏好设置 + addPreferencesFromResource(R.xml.preferences); + mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); + mReceiver = new GTaskReceiver(); + IntentFilter filter = new IntentFilter(); + filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); + // 注册广播接收器 + registerReceiver(mReceiver, filter); + + mOriAccounts = null; + // 加载头部视图 + View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); + getListView().addHeaderView(header, null, true); + } + + // 活动恢复时调用的方法 + @Override + protected void onResume() { + super.onResume(); + + // 如果添加了账户，则需要自动设置同步账户 + if (mHasAddedAccount) { + Account[] accounts = getGoogleAccounts(); + if (mOriAccounts!= null && accounts.length > mOriAccounts.length) { + for (Account accountNew : accounts) { + boolean found = false; + for (Account accountOld : mOriAccounts) { + if (TextUtils.equals(accountOld.name, accountNew.name)) { + found = true; + break; + } + } + if (!found) { + setSyncAccount(accountNew.name); + break; + } + } + } + } + + // 刷新用户界面 + refreshUI(); + } + + // 活动销毁时调用的方法 + @Override + protected void onDestroy() { + if (mReceiver!= null) { + // 注销广播接收器 + unregisterReceiver(mReceiver); + } + super.onDestroy(); + } + + // 加载账户偏好设置的方法 + private void loadAccountPreference() { + mAccountCategory.removeAll(); + + Preference accountPref = new Preference(this); + final String defaultAccount = getSyncAccountName(this); + accountPref.setTitle(getString(R.string.preferences_account_title)); + accountPref.setSummary(getString(R.string.preferences_account_summary)); + accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { + public boolean onPreferenceClick(Preference preference) { + if (!GTaskSyncService.isSyncing()) { + if (TextUtils.isEmpty(defaultAccount)) { + // 如果是第一次设置账户，则显示选择账户的警告对话框 + showSelectAccountAlertDialog(); + } else { + // 如果账户已经设置，则显示更改账户确认的警告对话框 + showChangeAccountConfirmAlertDialog(); + } + } else { + // 如果正在同步，则显示不能更改账户的吐司消息 + Toast.makeText(NotesPreferenceActivity.this, + R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) .show(); - } - return true; - } - }); - - mAccountCategory.addPreference(accountPref); - } - - private void loadSyncButton() { - Button syncButton = (Button) findViewById(R.id.preference_sync_button); - TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); - - // set button state - if (GTaskSyncService.isSyncing()) { - syncButton.setText(getString(R.string.preferences_button_sync_cancel)); - syncButton.setOnClickListener(new View.OnClickListener() { - public void onClick(View v) { - GTaskSyncService.cancelSync(NotesPreferenceActivity.this); - } - }); - } else { - syncButton.setText(getString(R.string.preferences_button_sync_immediately)); - syncButton.setOnClickListener(new View.OnClickListener() { - public void onClick(View v) { - GTaskSyncService.startSync(NotesPreferenceActivity.this); - } - }); - } - syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); - - // set last sync time - if (GTaskSyncService.isSyncing()) { - lastSyncTimeView.setText(GTaskSyncService.getProgressString()); - lastSyncTimeView.setVisibility(View.VISIBLE); - } else { - long lastSyncTime = getLastSyncTime(this); - if (lastSyncTime != 0) { - lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, - DateFormat.format(getString(R.string.preferences_last_sync_time_format), - lastSyncTime))); - lastSyncTimeView.setVisibility(View.VISIBLE); - } else { - lastSyncTimeView.setVisibility(View.GONE); - } - } - } - - private void refreshUI() { - loadAccountPreference(); - loadSyncButton(); - } - - private void showSelectAccountAlertDialog() { - AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - - View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); - TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); - titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); - TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); - subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); - - dialogBuilder.setCustomTitle(titleView); - dialogBuilder.setPositiveButton(null, null); - - Account[] accounts = getGoogleAccounts(); - String defAccount = getSyncAccountName(this); - - mOriAccounts = accounts; - mHasAddedAccount = false; - - if (accounts.length > 0) { - CharSequence[] items = new CharSequence[accounts.length]; - final CharSequence[] itemMapping = items; - int checkedItem = -1; - int index = 0; - for (Account account : accounts) { - if (TextUtils.equals(account.name, defAccount)) { - checkedItem = index; - } - items[index++] = account.name; - } - dialogBuilder.setSingleChoiceItems(items, checkedItem, - new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - setSyncAccount(itemMapping[which].toString()); - dialog.dismiss(); - refreshUI(); - } - }); - } - - View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); - dialogBuilder.setView(addAccountView); - - final AlertDialog dialog = dialogBuilder.show(); - addAccountView.setOnClickListener(new View.OnClickListener() { - public void onClick(View v) { - mHasAddedAccount = true; - Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); - intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { - "gmail-ls" - }); - startActivityForResult(intent, -1); - dialog.dismiss(); - } - }); - } - - private void showChangeAccountConfirmAlertDialog() { - AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); - - View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); - TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); - titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, - getSyncAccountName(this))); - TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); - subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); - dialogBuilder.setCustomTitle(titleView); - - CharSequence[] menuItemArray = new CharSequence[] { - getString(R.string.preferences_menu_change_account), - getString(R.string.preferences_menu_remove_account), - getString(R.string.preferences_menu_cancel) - }; - dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - if (which == 0) { - showSelectAccountAlertDialog(); - } else if (which == 1) { - removeSyncAccount(); - refreshUI(); - } - } - }); - dialogBuilder.show(); - } - - private Account[] getGoogleAccounts() { - AccountManager accountManager = AccountManager.get(this); - return accountManager.getAccountsByType("com.google"); - } - - private void setSyncAccount(String account) { - if (!getSyncAccountName(this).equals(account)) { - SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); - SharedPreferences.Editor editor = settings.edit(); - if (account != null) { - editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); - } else { - editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); - } - editor.commit(); - - // clean up last sync time - setLastSyncTime(this, 0); - - // clean up local gtask related info - new Thread(new Runnable() { - public void run() { - ContentValues values = new ContentValues(); - values.put(NoteColumns.GTASK_ID, ""); - values.put(NoteColumns.SYNC_ID, 0); - getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); - } - }).start(); - - Toast.makeText(NotesPreferenceActivity.this, - getString(R.string.preferences_toast_success_set_accout, account), - Toast.LENGTH_SHORT).show(); - } - } - - private void removeSyncAccount() { - SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); - SharedPreferences.Editor editor = settings.edit(); - if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { - editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); - } - if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { - editor.remove(PREFERENCE_LAST_SYNC_TIME); - } - editor.commit(); - - // clean up local gtask related info - new Thread(new Runnable() { - public void run() { - ContentValues values = new ContentValues(); - values.put(NoteColumns.GTASK_ID, ""); - values.put(NoteColumns.SYNC_ID, 0); - getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); - } - }).start(); - } - - public static String getSyncAccountName(Context context) { - SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, - Context.MODE_PRIVATE); - return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); - } - - public static void setLastSyncTime(Context context, long time) { - SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, - Context.MODE_PRIVATE); - SharedPreferences.Editor editor = settings.edit(); - editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); - editor.commit(); - } - - public static long getLastSyncTime(Context context) { - SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, - Context.MODE_PRIVATE); - return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); - } - - private class GTaskReceiver extends BroadcastReceiver { - - @Override - public void onReceive(Context context, Intent intent) { - refreshUI(); - if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { - TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); - syncStatus.setText(intent + } + return true; + } + }); + + mAccountCategory.addPreference(accountPref); + } + + // 加载同步按钮的方法 + private void loadSyncButton() { + Button syncButton = (Button) findViewById(R.id.preference_sync_button); + TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + + // 设置按钮状态 + if (GTaskSyncService.isSyncing()) { + syncButton.setText(getString(R.string.preferences_button_sync_cancel)); + syncButton.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + GTaskSyncService.cancelSync(NotesPreferenceActivity.this); + } + }); + } else { + syncButton.setText(getString(R.string.preferences_button_sync_immediately)); + syncButton.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + GTaskSyncService.startSync(NotesPreferenceActivity.this); + } + }); + } + syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); + + // 设置最后同步时间文本 + if (GTaskSyncService.isSyncing()) { + lastSyncTimeView.setText(GTaskSyncService.getProgressString()); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else { + long lastSyncTime = getLastSyncTime(this); + if (lastSyncTime!= 0) { + lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, + DateFormat.format(getString(R.string.preferences_last_sync_time_format), + lastSyncTime))); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else { + lastSyncTimeView.setVisibility(View.GONE); + } + } + } + + // 刷新用户界面的方法 + private void refreshUI() { + loadAccountPreference(); + loadSyncButton(); + } + + // 显示选择账户警告对话框的方法 + private void showSelectAccountAlertDialog() { + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); + subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); + + dialogBuilder.setCustomTitle(titleView); + dialogBuilder.setPositiveButton(null, null); + + Account[] accounts = getGoogleAccounts(); + String defAccount = getSyncAccountName(this); + + mOriAccounts = accounts; + mHasAddedAccount = false; + + if (accounts.length > 0) { + CharSequence[] items = new CharSequence[accounts.length]; + final CharSequence[] itemMapping = items; + int checkedItem = -1; + int index = 0; + for (Account account : accounts) { + if (TextUtils.equals(account.name, defAccount)) { + checkedItem = index; + } + items[index++] = account.name; + } + dialogBuilder.setSingleChoiceItems(items, checkedItem, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + setSyncAccount(itemMapping[which].toString()); + dialog.dismiss(); + refreshUI(); + } + }); + } + + View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); + dialogBuilder.setView(addAccountView); + + final AlertDialog dialog = dialogBuilder.show(); + addAccountView.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + mHasAddedAccount = true; + Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); + intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { + "gmail-ls" + }); + startActivityForResult(intent, -1); + dialog.dismiss(); + } + }); + } + + // 显示更改账户确认警告对话框的方法 + private void showChangeAccountConfirmAlertDialog() { + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, + getSyncAccountName(this))); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); + subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); + dialogBuilder.setCustomTitle(titleView); + + CharSequence[] menuItemArray = new CharSequence[] { + getString(R.string.preferences_menu_change_account), + getString(R.string.preferences_menu_remove_account), + getString(R.string.preferences_menu_cancel) + }; + dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + if (which == 0) { + showSelectAccountAlertDialog(); + } else if (which == 1) { + removeSyncAccount(); + refreshUI(); + } + } + }); + dialogBuilder.show(); + } + + // 获取谷歌账户数组的方法 + private Account[] getGoogleAccounts() { + AccountManager accountManager = AccountManager.get(this); + return accountManager.getAccountsByType("com.google"); + } + + // 设置同步账户的方法 + private void setSyncAccount(String account) { + if (!getSyncAccountName(this).equals(account)) { + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit(); + if (account!= null) { + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); + } else { + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + } + editor.commit(); + + // 清理最后同步时间 + setLastSyncTime(this, 0); + + // 清理本地与谷歌任务相关的信息 + new Thread(new Runnable() { + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + } + }).start(); + + Toast.makeText(NotesPreferenceActivity.this, + getString(R.string.preferences_toast_success_set_accout, account), + Toast.LENGTH_SHORT).show(); + } + } + + // 移除同步账户的方法 + private void removeSyncAccount() { + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit(); + if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { + editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); + } + if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { + editor.remove(PREFERENCE_LAST_SYNC_TIME); + } + editor.commit(); + + // 清理本地与谷歌任务相关的信息 + new Thread(new Runnable() { + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + } + }).start(); + } + + // 获取同步账户名称的静态方法 + public static String getSyncAccountName(Context context) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + } + + // 设置最后同步时间的静态方法 + public static void setLastSyncTime(Context context, long time) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit(); + editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); + editor.commit(); + } + + // 获取最后同步时间的静态方法 + public static long getLastSyncTime(Context context) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); + } + + // 广播接收器内部类 + private class GTaskReceiver extends BroadcastReceiver { + + @Override + public void onReceive(Context context, Intent intent) { + refreshUI(); + if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { + TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + syncStatus.setText(intent .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); - } - - } - } - - public boolean onOptionsItemSelected(MenuItem item) { + } + + } + } + + // 选项菜单项被选择时调用的方法 + public boolean onOptionsItemSelected( switch (item.getItemId()) { case android.R.id.home: Intent intent = new Intent(this, NotesListActivity.class); diff --git a/src/local.properties b/src/local.properties index 9d722e3..32a7e36 100644 --- a/src/local.properties +++ b/src/local.properties @@ -2,6 +2,7 @@ # as it contains information specific to your local configuration. # # Location of the SDK. This is only used by Gradle. -# -#Sun Sep 08 13:35:35 CST 2024 -sdk.dir=D\:\\Android\\Sdk +# For customization when using a Version Control System, please read the +# header note. +#Sun Sep 22 17:32:55 CST 2024 +sdk.dir=D\:\\sdk