Type: INTEGER (long)
*/ public static final String PARENT_ID = "parent_id"; /** - * Created data for note or folder + *为笔记或文件夹创建数据 *Type: INTEGER (long)
*/ public static final String CREATED_DATE = "created_date"; /** - * Latest modified date + *最新修改日期 *Type: INTEGER (long)
*/ public static final String MODIFIED_DATE = "modified_date"; /** - * Alert date + *警报日期 *Type: INTEGER (long)
*/ public static final String ALERTED_DATE = "alert_date"; /** - * Folder's name or text content of note + *文件夹的名称或文本内容的说明 *Type: TEXT
*/ public static final String SNIPPET = "snippet"; /** - * Note's widget id + * Note的小部件id *Type: INTEGER (long)
*/ public static final String WIDGET_ID = "widget_id"; /** - * Note's widget type + * Note的小部件类型 *Type: INTEGER (long)
*/ public static final String WIDGET_TYPE = "widget_type"; /** - * Note's background color's id + *笔记的背景颜色的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 + *对于文本笔记，它没有附件，对于多媒体 + *注意，它至少有一个附件 *Type: INTEGER
*/ public static final String HAS_ATTACHMENT = "has_attachment"; /** - * Folder's count of notes + *文件夹的注释计数 *Type: INTEGER (long)
*/ public static final String NOTES_COUNT = "notes_count"; /** - * The file type: folder or note + *文件类型:文件夹或便签 *Type: INTEGER
*/ public static final String TYPE = "type"; /** - * The last sync id + *最后一个同步id *Type: INTEGER (long)
*/ public static final String SYNC_ID = "sync_id"; /** - * Sign to indicate local modified or not + *符号表示本地是否被修改 *Type: INTEGER
*/ public static final String LOCAL_MODIFIED = "local_modified"; /** - * Original parent id before moving into temporary folder + *移动到临时文件夹前的原始父id *Type : INTEGER
*/ public static final String ORIGIN_PARENT_ID = "origin_parent_id"; /** - * The gtask id + * gtask id *Type : TEXT
*/ public static final String GTASK_ID = "gtask_id"; /** * The version code - *Type : INTEGER (long)
+ * *Type : INTEGER (long)
*/ public static final String VERSION = "version"; } public interface DataColumns { /** - * The unique ID for a row + *一行的唯一ID *Type: INTEGER (long)
*/ public static final String ID = "_id"; /** - * The MIME type of the item represented by this row. + *由这一行表示的项目的MIME类型。 *Type: Text
*/ public static final String MIME_TYPE = "mime_type"; /** - * The reference id to note that this data belongs to + *该数据所属的引用id *Type: INTEGER (long)
*/ public static final String NOTE_ID = "note_id"; /** - * Created data for note or folder + *为笔记或文件夹创建数据 *Type: INTEGER (long)
*/ public static final String CREATED_DATE = "created_date"; /** - * Latest modified date + *最新修改日期 *Type: INTEGER (long)
*/ public static final String MODIFIED_DATE = "modified_date"; /** - * Data's content + *数据内容 *Type: TEXT
*/ public static final String CONTENT = "content"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type + *泛型数据列，含义是{@link #MIMETYPE}特定的，用于 + 整数数据类型 *Type: INTEGER
*/ public static final String DATA1 = "data1"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * integer data type + *泛型数据列，含义是{@link #MIMETYPE}特定的，用于 + 整数数据类型 *Type: INTEGER
*/ public static final String DATA2 = "data2"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type + *泛型数据列，含义是{@link #MIMETYPE}特定的，用于 + * TEXT数据类型 *Type: TEXT
*/ public static final String DATA3 = "data3"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type + *泛型数据列，含义是{@link #MIMETYPE}特定的，用于 + * TEXT数据类型 *Type: TEXT
*/ public static final String DATA4 = "data4"; /** - * Generic data column, the meaning is {@link #MIMETYPE} specific, used for - * TEXT data type + *泛型数据列，含义是{@link #MIMETYPE}特定的，用于 + * TEXT数据类型 *Type: TEXT
*/ public static final String DATA5 = "data5"; @@ -243,7 +243,7 @@ public class Notes { public static final class TextNote implements DataColumns { /** - * Mode to indicate the text in check list mode or not + *模式，表示文本是否处于检查列表模式 *Type: Integer 1:check list mode 0: normal mode
*/ public static final String MODE = DATA1; @@ -259,13 +259,13 @@ public class Notes { public static final class CallNote implements DataColumns { /** - * Call date for this record + *此记录的呼叫日期 *Type: INTEGER (long)
*/ public static final String CALL_DATE = DATA1; /** - * Phone number for this record + *此记录的电话号码 *Type: TEXT
*/ public static final String PHONE_NUMBER = DATA3; diff --git a/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java b/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java index ffe5d57..2ebd68e 100644 --- a/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java +++ b/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java @@ -14,7 +14,8 @@ * limitations under the License. */ -package net.micode.notes.data; +package net.micode.notes.data;/**1.数据库操作，SQLOpenhelper,对一些note和文件进行数据库的操作。比如删除文件后，将文件里的note也相应删除**/ + import android.content.ContentValues; import android.content.Context; @@ -27,13 +28,14 @@ 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"; +public class NotesDatabaseHelper extends SQLiteOpenHelper {/**2.继承于SQLiteOpenHelper的类NotesDatabaseHelper，用于实现对便签或者 文件的数据库操作，例如删除便签**/ + + private static final String DB_NAME = "note.db";/**2.定义数据库的名称为“note.db”**/ private static final int DB_VERSION = 4; - public interface TABLE { - public static final String NOTE = "note"; + public interface TABLE {/**1.接口，分成note和data，在后面的程序里分别使用过**/ + public static final String NOTE = "note";/**2.数据库中创建的note表信息**/ public static final String DATA = "data"; } @@ -42,7 +44,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { private static NotesDatabaseHelper mInstance; - private static final String CREATE_NOTE_TABLE_SQL = + private static final String CREATE_NOTE_TABLE_SQL = /**1.SQL的触发器是一个能由系统自动执行对数据库修改的语句，由文件的增加事件触发。文件夹中移入一个Note之后需要更改的数据的表格。**/ "CREATE TABLE " + TABLE.NOTE + "(" + NoteColumns.ID + " INTEGER PRIMARY KEY," + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + @@ -63,7 +65,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + ")"; - private static final String CREATE_DATA_TABLE_SQL = + private static final String CREATE_DATA_TABLE_SQL =/**3. 创建SQL的data表。下面是表头**/ "CREATE TABLE " + TABLE.DATA + "(" + DataColumns.ID + " INTEGER PRIMARY KEY," + DataColumns.MIME_TYPE + " TEXT NOT NULL," + @@ -78,14 +80,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + ")"; - private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =/**1.文件夹移除note时触发垃圾回收**/ "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 = + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =/**4. 构建一条SQL语句，实现当note移动到文件夹中时，文件夹的数量增加的功能**/ "CREATE TRIGGER increase_folder_count_on_update "+ " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + " BEGIN " + @@ -95,7 +97,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Decrease folder's note count when move note from folder + *减少文件夹的笔记数时，移动笔记从文件夹 */ private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = "CREATE TRIGGER decrease_folder_count_on_update " + @@ -108,7 +110,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Increase folder's note count when insert new note to the folder + *增加文件夹的笔记计数时，插入新的笔记到文件夹 */ private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = "CREATE TRIGGER increase_folder_count_on_insert " + @@ -120,7 +122,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Decrease folder's note count when delete note from the folder + *从文件夹中删除笔记时减少文件夹的笔记数量 */ private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = "CREATE TRIGGER decrease_folder_count_on_delete " + @@ -133,7 +135,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when insert data with type {@link DataConstants#NOTE} + *当插入类型为{@link DataConstants# note}的数据时，更新note的内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = "CREATE TRIGGER update_note_content_on_insert " + @@ -146,7 +148,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when data with {@link DataConstants#NOTE} type has changed + *当{@link DataConstants# note}类型的数据发生变化时更新note的内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = "CREATE TRIGGER update_note_content_on_update " + @@ -159,7 +161,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Update note's content when data with {@link DataConstants#NOTE} type has deleted + *当{@link DataConstants# note}类型的数据被删除时，更新note的内容 */ private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = "CREATE TRIGGER update_note_content_on_delete " + @@ -172,7 +174,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Delete datas belong to note which has been deleted + *删除属于已删除笔记的数据 */ private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = "CREATE TRIGGER delete_data_on_delete " + @@ -183,7 +185,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Delete notes belong to folder which has been deleted + *删除笔记属于已删除的文件夹 */ private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = "CREATE TRIGGER folder_delete_notes_on_delete " + @@ -194,7 +196,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { " END"; /** - * Move notes belong to folder which has been moved to trash folder + *移动笔记属于文件夹已移动到垃圾文件夹 */ private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = "CREATE TRIGGER folder_move_notes_on_trash " + @@ -239,14 +241,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { ContentValues values = new ContentValues(); /** - * call record foler for call notes + *通话记录文件夹用于通话记录 */ 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 + *根文件夹，这是默认文件夹 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); @@ -254,7 +256,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); /** - * temporary folder which is used for moving note + *用于移动笔记的临时文件夹 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); @@ -262,7 +264,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); /** - * create trash folder + *创建垃圾文件夹 */ values.clear(); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); @@ -270,14 +272,15 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { db.insert(TABLE.NOTE, null, values); } - public void createDataTable(SQLiteDatabase db) { - db.execSQL(CREATE_DATA_TABLE_SQL); + public void createDataTable(SQLiteDatabase db) {/**1.创建表格（用来存储标签内容） +**/ + 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) { + private void reCreateDataTableTriggers(SQLiteDatabase db) {/**2. 重构数据库的data表单的触发器，防止定义冲突**/ 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"); @@ -292,15 +295,15 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper { mInstance = new NotesDatabaseHelper(context); } return mInstance; - } + }/**1.如果NotesDatabaseHelper的实例创建失败，那就重新建一个，重新分配内从空间**/ @Override public void onCreate(SQLiteDatabase db) { createNoteTable(db); createDataTable(db); - } + }/**5. 在对象生命周期开始的时候，onCreate被系统调用，所以这里重写这个函数，生成两个数据库表单，一个是便签表单，另一个是数据表单**/ - @Override + @Override/**1.数据库版本的更新，包括数据库内容的更改**/ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { boolean reCreateTriggers = false; boolean skipV2 = false; diff --git a/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesProvider.java b/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesProvider.java index edb0a60..288921e 100644 --- a/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesProvider.java +++ b/src/Notes-master3/app/src/main/java/net/micode/notes/data/NotesProvider.java @@ -62,9 +62,9 @@ public class NotesProvider extends ContentProvider { } /** - * 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. - */ + * x'0A'表示sqlite中的'\n'字符。对于搜索结果中的标题和内容， + *我们将修剪'\n'和空白以显示更多信息。 + * */ 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 + "," diff --git a/src/Notes-master3/local.properties b/src/Notes-master3/local.properties index 545e234..51e9b59 100644 --- a/src/Notes-master3/local.properties +++ b/src/Notes-master3/local.properties @@ -5,4 +5,5 @@ # For customization when using a Version Control System, please read the # header note. #Fri Apr 07 16:53:50 CST 2023 -sdk.dir=D\:\\androoidSDK +sdk.dir=C\:\\Users\\13293\\AppData\\Local\\Android\\Sdk +