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@ -0,0 +1 @@
<mxfile host="Electron" modified="2024-01-22T11:38:25.561Z" agent="5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/16.5.1 Chrome/96.0.4664.110 Electron/16.0.7 Safari/537.36" etag="akW9Ob0vbGW2gA5Q_Zq0" version="16.5.1" type="device"><diagram name="Page-1" id="13e1069c-82ec-6db2-03f1-153e76fe0fe0">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</diagram></mxfile>

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@ -26,12 +26,9 @@ import android.util.Log;
import java.util.HashMap; import java.util.HashMap;
public class Contact { public class Contact {
// 联系人缓存,用于存储已查询过的联系人信息
private static HashMap<String, String> sContactCache; private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact"; private static final String TAG = "Contact";
// 查询联系人的条件语句使用PHONE_NUMBERS_EQUAL函数进行号码匹配
// 并且限定数据类型为电话号码同时要求所属的RAW_CONTACT_ID在phone_lookup表中min_match字段为'+'的记录中
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN " + " AND " + Data.RAW_CONTACT_ID + " IN "
@ -39,35 +36,27 @@ public class Contact {
+ " FROM phone_lookup" + " FROM phone_lookup"
+ " WHERE min_match = '+')"; + " WHERE min_match = '+')";
// 获取联系人信息的方法
public static String getContact(Context context, String phoneNumber) { public static String getContact(Context context, String phoneNumber) {
// 如果联系人缓存为空则创建一个新的HashMap对象
if(sContactCache == null) { if(sContactCache == null) {
sContactCache = new HashMap<String, String>(); sContactCache = new HashMap<String, String>();
} }
// 如果联系人缓存中已存在该号码对应的联系人信息,则直接返回缓存中的信息
if(sContactCache.containsKey(phoneNumber)) { if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber); return sContactCache.get(phoneNumber);
} }
// 使用PhoneNumberUtils工具类将给定的号码转换为标准化的号码
String selection = CALLER_ID_SELECTION.replace("+", String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 查询联系人信息
Cursor cursor = context.getContentResolver().query( Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI, Data.CONTENT_URI,
new String[] { Phone.DISPLAY_NAME }, new String [] { Phone.DISPLAY_NAME },
selection, selection,
new String[] { phoneNumber }, new String[] { phoneNumber },
null); null);
// 如果查询结果不为空且有数据,则处理结果并返回联系人姓名
if (cursor != null && cursor.moveToFirst()) { if (cursor != null && cursor.moveToFirst()) {
try { try {
String name = cursor.getString(0); String name = cursor.getString(0);
// 将查询到的联系人信息存入缓存中
sContactCache.put(phoneNumber, name); sContactCache.put(phoneNumber, name);
return name; return name;
} catch (IndexOutOfBoundsException e) { } catch (IndexOutOfBoundsException e) {

@ -17,246 +17,234 @@
package net.micode.notes.data; package net.micode.notes.data;
import android.net.Uri; import android.net.Uri;
public class Notes { public class Notes {
// 常量ContentProvider的authority
public static final String AUTHORITY = "micode_notes"; public static final String AUTHORITY = "micode_notes";
// 常量日志输出时的tag
public static final String TAG = "Notes"; public static final String TAG = "Notes";
// 常量:笔记类型
public static final int TYPE_NOTE = 0; public static final int TYPE_NOTE = 0;
// 常量:文件夹类型
public static final int TYPE_FOLDER = 1; public static final int TYPE_FOLDER = 1;
// 常量:系统类型
public static final int TYPE_SYSTEM = 2; public static final int TYPE_SYSTEM = 2;
/** /**
* * Following IDs are system folders' identifiers
* {@link Notes#ID_ROOT_FOLDER} * {@link Notes#ID_ROOT_FOLDER } is default folder
* {@link Notes#ID_TEMPARAY_FOLDER} * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
* {@link Notes#ID_CALL_RECORD_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_ROOT_FOLDER = 0;
public static final int ID_TEMPARAY_FOLDER = -1; public static final int ID_TEMPARAY_FOLDER = -1;
public static final int ID_CALL_RECORD_FOLDER = -2; public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3; public static final int ID_TRASH_FOLER = -3;
// 常量intent传递的提醒日期extra的key
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
// 常量intent传递的背景颜色id extra的key
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
// 常量intent传递的widget id extra的key
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
// 常量intent传递的widget type extra的key
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
// 常量intent传递的文件夹id extra的key
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
// 常量intent传递的通话日期extra的key
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
// 常量无效的widget类型
public static final int TYPE_WIDGET_INVALIDE = -1; public static final int TYPE_WIDGET_INVALIDE = -1;
// 常量2x2的widget类型
public static final int TYPE_WIDGET_2X = 0; public static final int TYPE_WIDGET_2X = 0;
// 常量4x4的widget类型
public static final int TYPE_WIDGET_4X = 1; public static final int TYPE_WIDGET_4X = 1;
public static class DataConstants { public static class DataConstants {
// 常量笔记的MIME type
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
// 常量通话记录的MIME type
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
} }
/** /**
* Uri * Uri to query all notes and folders
*/ */
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/** /**
* Uri * Uri to query data
*/ */
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
public interface NoteColumns { public interface NoteColumns {
/** /**
* ID * The unique ID for a row
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String ID = "_id"; public static final String ID = "_id";
/** /**
* ID * The parent's id for note or folder
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String PARENT_ID = "parent_id"; public static final String PARENT_ID = "parent_id";
/** /**
* * Created data for note or folder
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String CREATED_DATE = "created_date"; public static final String CREATED_DATE = "created_date";
/** /**
* * Latest modified date
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String MODIFIED_DATE = "modified_date"; public static final String MODIFIED_DATE = "modified_date";
/** /**
* * Alert date
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String ALERTED_DATE = "alert_date"; public static final String ALERTED_DATE = "alert_date";
/** /**
* * Folder's name or text content of note
* <P> TEXT </P> * <P> Type: TEXT </P>
*/ */
public static final String SNIPPET = "snippet"; public static final String SNIPPET = "snippet";
/** /**
* widget id * Note's widget id
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String WIDGET_ID = "widget_id"; public static final String WIDGET_ID = "widget_id";
/** /**
* widget * Note's widget type
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String WIDGET_TYPE = "widget_type"; public static final String WIDGET_TYPE = "widget_type";
/** /**
* id * Note's background color's id
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String BG_COLOR_ID = "bg_color_id"; public static final String BG_COLOR_ID = "bg_color_id";
/** /**
* * For text note, it doesn't has attachment, for multi-media
* <P> INTEGER </P> * note, it has at least one attachment
* <P> Type: INTEGER </P>
*/ */
public static final String HAS_ATTACHMENT = "has_attachment"; public static final String HAS_ATTACHMENT = "has_attachment";
/** /**
* * Folder's count of notes
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String NOTES_COUNT = "notes_count"; public static final String NOTES_COUNT = "notes_count";
/** /**
* * The file type: folder or note
* <P> INTEGER </P> * <P> Type: INTEGER </P>
*/ */
public static final String TYPE = "type"; public static final String TYPE = "type";
/** /**
* ID * The last sync id
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String SYNC_ID = "sync_id"; public static final String SYNC_ID = "sync_id";
/** /**
* * Sign to indicate local modified or not
* <P> INTEGER </P> * <P> Type: INTEGER </P>
*/ */
public static final String LOCAL_MODIFIED = "local_modified"; public static final String LOCAL_MODIFIED = "local_modified";
/** /**
* ID * Original parent id before moving into temporary folder
* <P> INTEGER </P> * <P> Type : INTEGER </P>
*/ */
public static final String ORIGIN_PARENT_ID = "origin_parent_id"; public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/** /**
* Gtask ID * The gtask id
* <P> TEXT </P> * <P> Type : TEXT </P>
*/ */
public static final String GTASK_ID = "gtask_id"; public static final String GTASK_ID = "gtask_id";
/** /**
* * The version code
* <P> INTEGER (long) </P> * <P> Type : INTEGER (long) </P>
*/ */
public static final String VERSION = "version"; public static final String VERSION = "version";
} }
public interface DataColumns { public interface DataColumns {
/** /**
* ID * The unique ID for a row
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String ID = "_id"; public static final String ID = "_id";
/** /**
* MIME * The MIME type of the item represented by this row.
* <P> TEXT </P> * <P> Type: Text </P>
*/ */
public static final String MIME_TYPE = "mime_type"; public static final String MIME_TYPE = "mime_type";
/** /**
* ID * The reference id to note that this data belongs to
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String NOTE_ID = "note_id"; public static final String NOTE_ID = "note_id";
/** /**
* * Created data for note or folder
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String CREATED_DATE = "created_date"; public static final String CREATED_DATE = "created_date";
/** /**
* * Latest modified date
* <P> INTEGER (long) </P> * <P> Type: INTEGER (long) </P>
*/ */
public static final String MODIFIED_DATE = "modified_date"; public static final String MODIFIED_DATE = "modified_date";
/** /**
* * Data's content
* <P> TEXT </P> * <P> Type: TEXT </P>
*/ */
public static final String CONTENT = "content"; public static final String CONTENT = "content";
/** /**
* {@link #MIMETYPE} * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* <P> INTEGER </P> * integer data type
* <P> Type: INTEGER </P>
*/ */
public static final String DATA1 = "data1"; public static final String DATA1 = "data1";
/** /**
* {@link #MIMETYPE} * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* <P> INTEGER </P> * integer data type
* <P> Type: INTEGER </P>
*/ */
public static final String DATA2 = "data2"; public static final String DATA2 = "data2";
/** /**
* {@link #MIMETYPE}TEXT * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* <P> TEXT </P> * TEXT data type
* <P> Type: TEXT </P>
*/ */
public static final String DATA3 = "data3"; public static final String DATA3 = "data3";
/** /**
* {@link #MIMETYPE}TEXT * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* <P> TEXT </P> * TEXT data type
* <P> Type: TEXT </P>
*/ */
public static final String DATA4 = "data4"; public static final String DATA4 = "data4";
/** /**
* {@link #MIMETYPE}TEXT * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* <P> TEXT </P> * TEXT data type
* <P> Type: TEXT </P>
*/ */
public static final String DATA5 = "data5"; public static final String DATA5 = "data5";
} }
public static final class TextNote implements DataColumns { public static final class TextNote implements DataColumns {
/** /**
* * Mode to indicate the text in check list mode or not
* <P> : Integer 1:check list mode 0: normal mode </P> * <P> Type: Integer 1:check list mode 0: normal mode </P>
*/ */
public static final String MODE = DATA1; public static final String MODE = DATA1;
@ -287,6 +275,5 @@ public class Notes {
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/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"); public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}//电话内容的数据结构 }
} }

@ -16,23 +16,23 @@
package net.micode.notes.data; package net.micode.notes.data;
import android.content.ContentValues;//就是用于保存一些数据string boolean byte double float int long short ...)信息,这些信息可以被数据库操作时使用。 import android.content.ContentValues;
import android.content.Context;//加载和访问资源。android中主要是这两个功能但是这里具体不清楚 import android.content.Context;
import android.database.sqlite.SQLiteDatabase;//主要提供了对应于添加、删除、更新、查询的操作方法: insert()、delete()、update()和query()。配合content.values import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新 import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
//数据库操作用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
public class NotesDatabaseHelper extends SQLiteOpenHelper { public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db"; private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4; private static final int DB_VERSION = 4;
public interface TABLE { //接口分成note和data在后面的程序里分别使用过 public interface TABLE {
public static final String NOTE = "note"; public static final String NOTE = "note";
public static final String DATA = "data"; public static final String DATA = "data";
@ -61,7 +61,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";//数据库中需要存储的项目的名称,就相当于创建一个表格的表头的内容。 ")";
private static final String CREATE_DATA_TABLE_SQL = private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" + "CREATE TABLE " + TABLE.DATA + "(" +
@ -76,11 +76,11 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";//和上面的功能一样,主要是存储的项目不同 ")";
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " + "CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";//存储便签编号的一个数据表格 TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
/** /**
* Increase folder's note count when move note to the folder * Increase folder's note count when move note to the folder
@ -92,7 +92,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";//在文件夹中移入一个Note之后需要更改的数据的表格。 " END";
/** /**
* Decrease folder's note count when move note from folder * Decrease folder's note count when move note from folder
@ -105,7 +105,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";//在文件夹中移出一个Note之后需要更改的数据的表格。 " END";
/** /**
* Increase folder's note count when insert new note to the folder * Increase folder's note count when insert new note to the folder
@ -117,7 +117,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";//在文件夹中插入一个Note之后需要更改的数据的表格。 " END";
/** /**
* Decrease folder's note count when delete note from the folder * Decrease folder's note count when delete note from the folder
@ -130,7 +130,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" + " AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";//在文件夹中删除一个Note之后需要更改的数据的表格。 " END";
/** /**
* Update note's content when insert data with type {@link DataConstants#NOTE} * Update note's content when insert data with type {@link DataConstants#NOTE}
@ -143,7 +143,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";//在文件夹中对一个Note导入新的数据之后需要更改的数据的表格。 " END";
/** /**
* Update note's content when data with {@link DataConstants#NOTE} type has changed * Update note's content when data with {@link DataConstants#NOTE} type has changed
@ -156,7 +156,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";//Note数据被修改后需要更改的数据的表格。 " END";
/** /**
* Update note's content when data with {@link DataConstants#NOTE} type has deleted * Update note's content when data with {@link DataConstants#NOTE} type has deleted
@ -169,7 +169,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" + " SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";//Note数据被删除后需要更改的数据的表格。 " END";
/** /**
* Delete datas belong to note which has been deleted * Delete datas belong to note which has been deleted
@ -180,7 +180,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" + " BEGIN" +
" DELETE FROM " + TABLE.DATA + " DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";//删除已删除的便签的数据后需要更改的数据的表格。 " END";
/** /**
* Delete notes belong to folder which has been deleted * Delete notes belong to folder which has been deleted
@ -191,7 +191,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" BEGIN" + " BEGIN" +
" DELETE FROM " + TABLE.NOTE + " DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";//删除已删除的文件夹的便签后需要更改的数据的表格。 " END";
/** /**
* Move notes belong to folder which has been moved to trash folder * Move notes belong to folder which has been moved to trash folder
@ -204,18 +204,18 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
" UPDATE " + TABLE.NOTE + " UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";//还原垃圾桶中便签后需要更改的数据的表格。 " END";
public NotesDatabaseHelper(Context context) { public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION); super(context, DB_NAME, null, DB_VERSION);
}//构造函数,传入数据库的名称和版本 }
public void createNoteTable(SQLiteDatabase db) { public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL); db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db); reCreateNoteTableTriggers(db);
createSystemFolder(db); createSystemFolder(db);
Log.d(TAG, "note table has been created"); Log.d(TAG, "note table has been created");
}//创建表格(用来存储标签属性) }
private void reCreateNoteTableTriggers(SQLiteDatabase db) { private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
@ -233,8 +233,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}//execSQL是数据库操作的API主要是更改行为的SQL语句。 }
//在这里主要是用来重新创建上述定义的表格用的,先删除原来有的数据库的触发器再重新创建新的数据库
private void createSystemFolder(SQLiteDatabase db) { private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
@ -269,14 +268,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values); db.insert(TABLE.NOTE, null, values);
}//创建几个系统文件夹 }
public void createDataTable(SQLiteDatabase db) { public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL); db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db); reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created"); Log.d(TAG, "data table has been created");
}//创建表格(用来存储标签内容) }
private void reCreateDataTableTriggers(SQLiteDatabase db) { 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_insert");
@ -286,22 +285,20 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); 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_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}//同上面的execSQL }
static synchronized NotesDatabaseHelper getInstance(Context context) { static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) { if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context); mInstance = new NotesDatabaseHelper(context);
} }
return mInstance; return mInstance;
}//解决同一时刻只能有一个线程执行. }
//在写程序库代码时,有时有一个类需要被所有的其它类使用,
//但又要求这个类只能被实例化一次,是个服务类,定义一次,其它类使用同一个这个类的实例
@Override @Override
public void onCreate(SQLiteDatabase db) { public void onCreate(SQLiteDatabase db) {
createNoteTable(db); createNoteTable(db);
createDataTable(db); createDataTable(db);
}//实现两个表格(上面创建的两个表格) }
@Override @Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
@ -334,14 +331,14 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
throw new IllegalStateException("Upgrade notes database to version " + newVersion throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails"); + "fails");
} }
}//数据库版本的更新(数据库内容的更改) }
private void upgradeToV2(SQLiteDatabase db) { private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db); createNoteTable(db);
createDataTable(db); createDataTable(db);
}//更新到V2版本 }
private void upgradeToV3(SQLiteDatabase db) { private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers // drop unused triggers
@ -356,10 +353,10 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values); db.insert(TABLE.NOTE, null, values);
}//更新到V3版本 }
private void upgradeToV4(SQLiteDatabase db) { private void upgradeToV4(SQLiteDatabase db) {
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0"); + " INTEGER NOT NULL DEFAULT 0");
}//更新到V4版本,但是不知道V2、V3、V4是什么意思 }
} }

@ -16,6 +16,7 @@
package net.micode.notes.data; package net.micode.notes.data;
import android.app.SearchManager; import android.app.SearchManager;
import android.content.ContentProvider; import android.content.ContentProvider;
import android.content.ContentUris; import android.content.ContentUris;
@ -32,15 +33,9 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE; import net.micode.notes.data.NotesDatabaseHelper.TABLE;
//为存储和获取数据提供接口。可以在不同的应用程序之间共享数据
//ContentProvider提供的方法
//query查询
//insert插入
//update更新
//delete删除
//getType得到数据类型
public class NotesProvider extends ContentProvider { public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配Uri
private static final UriMatcher mMatcher; private static final UriMatcher mMatcher;
private NotesDatabaseHelper mHelper; private NotesDatabaseHelper mHelper;
@ -56,9 +51,7 @@ public class NotesProvider extends ContentProvider {
private static final int URI_SEARCH_SUGGEST = 6; private static final int URI_SEARCH_SUGGEST = 6;
static { static {
// 创建UriMatcher时调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码
mMatcher = new UriMatcher(UriMatcher.NO_MATCH); mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
// 把需要匹配Uri路径全部给注册上
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
@ -72,7 +65,6 @@ public class NotesProvider extends ContentProvider {
* x'0A' represents the '\n' character in sqlite. For title and content in the search result, * 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. * we will trim '\n' and white space in order to show more information.
*/ */
// 声明 NOTES_SEARCH_PROJECTION
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + 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_1 + ","
@ -80,7 +72,7 @@ public class NotesProvider extends ContentProvider {
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// 声明NOTES_SNIPPET_SEARCH_QUERY
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
@ -88,24 +80,18 @@ public class NotesProvider extends ContentProvider {
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
@Override @Override
// Context只有在onCreate()中才被初始化
// 对mHelper进行实例化
public boolean onCreate() { public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext()); mHelper = NotesDatabaseHelper.getInstance(getContext());
return true; return true;
} }
@Override @Override
// 查询uri在数据库中对应的位置
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) { String sortOrder) {
Cursor c = null; Cursor c = null;
// 获取可读数据库
SQLiteDatabase db = mHelper.getReadableDatabase(); SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null; String id = null;
// 匹配查找uri
switch (mMatcher.match(uri)) { switch (mMatcher.match(uri)) {
// 对于不同的匹配值,在数据库中查找相应的条目
case URI_NOTE: case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder); sortOrder);
@ -127,7 +113,6 @@ public class NotesProvider extends ContentProvider {
case URI_SEARCH: case URI_SEARCH:
case URI_SEARCH_SUGGEST: case URI_SEARCH_SUGGEST:
if (sortOrder != null || projection != null) { if (sortOrder != null || projection != null) {
// 不合法的参数异常
throw new IllegalArgumentException( throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
} }
@ -135,8 +120,6 @@ public class NotesProvider extends ContentProvider {
String searchString = null; String searchString = null;
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) { if (uri.getPathSegments().size() > 1) {
// getPathSegments()方法得到一个String的List
// 在uri.getPathSegments().get(1)为第2个元素
searchString = uri.getPathSegments().get(1); searchString = uri.getPathSegments().get(1);
} }
} else { } else {
@ -156,7 +139,6 @@ public class NotesProvider extends ContentProvider {
} }
break; break;
default: default:
// 抛出异常
throw new IllegalArgumentException("Unknown URI " + uri); throw new IllegalArgumentException("Unknown URI " + uri);
} }
if (c != null) { if (c != null) {
@ -166,17 +148,13 @@ public class NotesProvider extends ContentProvider {
} }
@Override @Override
// 插入一个uri
public Uri insert(Uri uri, ContentValues values) { public Uri insert(Uri uri, ContentValues values) {
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase(); SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0; long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) { switch (mMatcher.match(uri)) {
// 新增一个条目
case URI_NOTE: case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values); insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break; break;
// 如果存在查找NOTE_ID
case URI_DATA: case URI_DATA:
if (values.containsKey(DataColumns.NOTE_ID)) { if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID); noteId = values.getAsLong(DataColumns.NOTE_ID);
@ -189,7 +167,6 @@ public class NotesProvider extends ContentProvider {
throw new IllegalArgumentException("Unknown URI " + uri); throw new IllegalArgumentException("Unknown URI " + uri);
} }
// Notify the note uri // Notify the note uri
// notifyChange获得一个ContextResolver对象并且更新里面的内容
if (noteId > 0) { if (noteId > 0) {
getContext().getContentResolver().notifyChange( getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
@ -201,17 +178,13 @@ public class NotesProvider extends ContentProvider {
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
} }
// 返回插入的uri的路径
return ContentUris.withAppendedId(uri, insertedId); return ContentUris.withAppendedId(uri, insertedId);
} }
@Override @Override
// 删除一个uri
public int delete(Uri uri, String selection, String[] selectionArgs) { public int delete(Uri uri, String selection, String[] selectionArgs) {
//Uri代表要操作的数据Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示。
int count = 0; int count = 0;
String id = null; String id = null;
// 获得可写的数据库
SQLiteDatabase db = mHelper.getWritableDatabase(); SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false; boolean deleteData = false;
switch (mMatcher.match(uri)) { switch (mMatcher.match(uri)) {
@ -255,7 +228,6 @@ public class NotesProvider extends ContentProvider {
} }
@Override @Override
// 更新一个uri
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0; int count = 0;
String id = null; String id = null;
@ -295,12 +267,10 @@ public class NotesProvider extends ContentProvider {
return count; return count;
} }
// 将字符串解析成规定格式
private String parseSelection(String selection) { private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
} }
//增加一个noteVersion
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120); StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE "); sql.append("UPDATE ");
@ -323,7 +293,6 @@ public class NotesProvider extends ContentProvider {
sql.append(selectString); sql.append(selectString);
} }
// execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句
mHelper.getWritableDatabase().execSQL(sql.toString()); mHelper.getWritableDatabase().execSQL(sql.toString());
} }

@ -14,18 +14,18 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import android.util.Log; import android.util.Log;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
public class MetaData extends Task { public class MetaData extends Task {
/* /*
* TAG * TAG
* getSimpleName () * getSimpleName ()
@ -110,5 +110,4 @@
throw new IllegalAccessError("MetaData:getSyncAction should not be called"); throw new IllegalAccessError("MetaData:getSyncAction should not be called");
} }
} }

@ -14,17 +14,17 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import org.json.JSONObject; import org.json.JSONObject;
/* /*
* *
* abstract * abstract
*/ */
public abstract class Node { public abstract class Node {
//定义了各种用于表征同步状态的常量 //定义了各种用于表征同步状态的常量
public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容(即本地和云端内容一致) public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容(即本地和云端内容一致)
@ -103,4 +103,4 @@
return this.mDeleted; return this.mDeleted;
} }
} }

@ -14,34 +14,34 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentUris; import android.content.ContentUris;
import android.content.ContentValues; import android.content.ContentValues;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.net.Uri; import android.net.Uri;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE; import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
/* /*
* Description便sqlnotedatanote * Description便sqlnotedatanote
* SqlData * SqlData
*/ */
public class SqlData { public class SqlData {
/* /*
* TAG * TAG
* getSimpleName () * getSimpleName ()
@ -237,4 +237,4 @@
public long getId() { public long getId() {
return mDataId; return mDataId;
} }
} }

@ -14,37 +14,37 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetManager;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentValues; import android.content.ContentValues;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.net.Uri; import android.net.Uri;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.tool.ResourceParser; import net.micode.notes.tool.ResourceParser;
import org.json.JSONArray; import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
/* /*
* Description便sqldatanotedata * Description便sqldatanotedata
* SqlDataSqlNote * SqlDataSqlNote
*/ */
public class SqlNote { public class SqlNote {
/* /*
* TAG * TAG
* getSimpleName () * getSimpleName ()
@ -574,5 +574,4 @@
mDiffNoteValues.clear(); mDiffNoteValues.clear();
mIsCreate = false; mIsCreate = false;
} }
} }

@ -14,26 +14,26 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import android.text.TextUtils; import android.text.TextUtils;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray; import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
public class Task extends Node { public class Task extends Node {
private static final String TAG = Task.class.getSimpleName(); private static final String TAG = Task.class.getSimpleName();
private boolean mCompleted;//是否完成 private boolean mCompleted;//是否完成
@ -353,4 +353,4 @@
return this.mParent; return this.mParent;
} }
} }

@ -14,24 +14,24 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
public class TaskList extends Node { public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName();//tag标记 private static final String TAG = TaskList.class.getSimpleName();//tag标记
private int mIndex;//当前TaskList的指针 private int mIndex;//当前TaskList的指针
@ -398,4 +398,4 @@
public int getIndex() { public int getIndex() {
return this.mIndex; return this.mIndex;
} }
} }

@ -18,9 +18,9 @@
* Description便 * Description便
*/ */
package net.micode.notes.gtask.exception; package net.micode.notes.gtask.exception;
public class ActionFailureException extends RuntimeException { public class ActionFailureException extends RuntimeException {
private static final long serialVersionUID = 4425249765923293627L; private static final long serialVersionUID = 4425249765923293627L;
/* /*
* serialVersionUIDjava * serialVersionUIDjava
@ -43,5 +43,4 @@
public ActionFailureException(String paramString, Throwable paramThrowable) { public ActionFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable); super(paramString, paramThrowable);
} }
} }

@ -18,9 +18,9 @@
* Description便 * Description便
*/ */
package net.micode.notes.gtask.exception; package net.micode.notes.gtask.exception;
public class NetworkFailureException extends Exception { public class NetworkFailureException extends Exception {
private static final long serialVersionUID = 2107610287180234136L; private static final long serialVersionUID = 2107610287180234136L;
/* /*
* serialVersionUIDjava * serialVersionUIDjava
@ -44,5 +44,4 @@
public NetworkFailureException(String paramString, Throwable paramThrowable) { public NetworkFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable); super(paramString, paramThrowable);
} }
} }

@ -15,28 +15,30 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import net.micode.notes.R; import android.app.Notification;
import net.micode.notes.ui.NotesListActivity; import android.app.NotificationManager;
import net.micode.notes.ui.NotesPreferenceActivity; import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
/*GTask
package net.micode.notes.gtask.remote;
/*GTask
* *
* private void showNotification(int tickerId, String content) * private void showNotification(int tickerId, String content)
* protected Integer doInBackground(Void... unused) 线 * protected Integer doInBackground(Void... unused) 线
* protected void onProgressUpdate(String... progress) 使 线 * protected void onProgressUpdate(String... progress) 使 线
* protected void onPostExecute(Integer result) Handler UI使doInBackground UI * protected void onPostExecute(Integer result) Handler UI使doInBackground UI
*/ */
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> { public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
@ -128,4 +130,4 @@
}).start(); }).start();
} }
} }
} }

@ -14,59 +14,59 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
package net.micode.notes.gtask.remote;
/*
/*
* GTASKGTASK * GTASKGTASK
* 使accountManager JSONObject HttpParams authToken Gid * 使accountManager JSONObject HttpParams authToken Gid
*/ */
public class GTaskClient { public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName(); private static final String TAG = GTaskClient.class.getSimpleName();
private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL
@ -671,4 +671,4 @@
public void resetUpdateArray() { public void resetUpdateArray() {
mUpdateArray = null; mUpdateArray = null;
} }
} }

@ -13,42 +13,43 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote;
import android.app.Activity; import android.app.Activity;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentUris; import android.content.ContentUris;
import android.content.ContentValues; import android.content.ContentValues;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.util.Log; import android.util.Log;
import net.micode.notes.R; import net.micode.notes.R;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.data.MetaData; import net.micode.notes.gtask.data.MetaData;
import net.micode.notes.gtask.data.Node; import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.SqlNote; import net.micode.notes.gtask.data.SqlNote;
import net.micode.notes.gtask.data.Task; import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList; import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException; import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray; import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
import java.util.HashMap; import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
import java.util.Map; import java.util.Map;
package net.micode.notes.gtask.remote;
public class GTaskManager {
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName(); private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0; public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1; public static final int STATE_NETWORK_ERROR = 1;
@ -891,4 +892,4 @@
public void cancelSync() { public void cancelSync() {
mCancelled = true; mCancelled = true;
} }
} }

@ -13,17 +13,18 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/* package net.micode.notes.gtask.remote;
/*
* Service * Service
* *
* private void startSync() * private void startSync()
@ -39,7 +40,7 @@
* public static String getProgressString() * public static String getProgressString()
*/ */
public class GTaskSyncService extends Service { public class GTaskSyncService extends Service {
public final static String ACTION_STRING_NAME = "sync_action_type"; public final static String ACTION_STRING_NAME = "sync_action_type";
public final static int ACTION_START_SYNC = 0; public final static int ACTION_START_SYNC = 0;
@ -144,4 +145,4 @@
public static String getProgressString() { public static String getProgressString() {
return mSyncProgress; return mSyncProgress;
} }
} }

@ -1,21 +1,43 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.model; 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;
import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。
import android.content.ContentProviderResult;//操作的结果
import android.content.ContentUris;//用于添加和获取Uri后面的ID
import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制
import android.content.Context;//需要用该类来弄清楚调用者的实例
import android.content.OperationApplicationException;//操作应用程序容错
import android.net.Uri;//表示待操作的数据
import android.os.RemoteException;//远程容错
import android.util.Log;//输出日志,比如说出错、警告等
public class Note { public class Note {
// private ContentValues mNoteDiffValues; private ContentValues mNoteDiffValues;
ContentValues mNoteDiffValues;//
private NoteData mNoteData; private NoteData mNoteData;
private static final String TAG = "Note"; private static final String TAG = "Note";
/** /**
* Create a new note id for adding a new note to databases * Create a new note id for adding a new note to databases
*/ */
@ -27,17 +49,16 @@ public class Note {
values.put(NoteColumns.MODIFIED_DATE, createdTime); values.put(NoteColumns.MODIFIED_DATE, createdTime);
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
values.put(NoteColumns.LOCAL_MODIFIED, 1); values.put(NoteColumns.LOCAL_MODIFIED, 1);
values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格 values.put(NoteColumns.PARENT_ID, folderId);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
//ContentResolver()主要是实现外部应用对ContentProvider中的数据
//进行添加、删除、修改和查询操作
long noteId = 0; long noteId = 0;
try { try {
noteId = Long.valueOf(uri.getPathSegments().get(1)); noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString()); Log.e(TAG, "Get note id error :" + e.toString());
noteId = 0; noteId = 0;
}//try-catch异常处理 }
if (noteId == -1) { if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId); throw new IllegalStateException("Wrong note id:" + noteId);
} }
@ -47,37 +68,37 @@ public class Note {
public Note() { public Note() {
mNoteDiffValues = new ContentValues(); mNoteDiffValues = new ContentValues();
mNoteData = new NoteData(); mNoteData = new NoteData();
}//定义两个变量用来存储便签的数据,一个是存储便签属性、一个是存储便签内容 }
public void setNoteValue(String key, String value) { public void setNoteValue(String key, String value) {
mNoteDiffValues.put(key, value); mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}//设置数据库表格的标签属性数据 }
public void setTextData(String key, String value) { public void setTextData(String key, String value) {
mNoteData.setTextData(key, value); mNoteData.setTextData(key, value);
}//设置数据库表格的标签文本内容的数据 }
public void setTextDataId(long id) { public void setTextDataId(long id) {
mNoteData.setTextDataId(id); mNoteData.setTextDataId(id);
}//设置文本数据的ID }
public long getTextDataId() { public long getTextDataId() {
return mNoteData.mTextDataId; return mNoteData.mTextDataId;
}//得到文本数据的ID }
public void setCallDataId(long id) { public void setCallDataId(long id) {
mNoteData.setCallDataId(id); mNoteData.setCallDataId(id);
}//设置电话号码数据的ID }
public void setCallData(String key, String value) { public void setCallData(String key, String value) {
mNoteData.setCallData(key, value); mNoteData.setCallData(key, value);
}//得到电话号码数据的ID }
public boolean isLocalModified() { public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}//判断是否是本地修改 }
public boolean syncNote(Context context, long noteId) { public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) { if (noteId <= 0) {
@ -107,16 +128,16 @@ public class Note {
} }
return true; return true;
}//判断数据是否同步 }
private class NoteData {//定义一个基本的便签内容的数据类,主要包含文本数据和电话号码数据 private class NoteData {
private long mTextDataId; private long mTextDataId;
private ContentValues mTextDataValues;//文本数据 private ContentValues mTextDataValues;
private long mCallDataId; private long mCallDataId;
private ContentValues mCallDataValues;//电话号码数据 private ContentValues mCallDataValues;
private static final String TAG = "NoteData"; private static final String TAG = "NoteData";
@ -126,7 +147,7 @@ public class Note {
mTextDataId = 0; mTextDataId = 0;
mCallDataId = 0; mCallDataId = 0;
} }
//下面是上述几个函数的具体实现
boolean isLocalModified() { boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
} }
@ -156,17 +177,17 @@ public class Note {
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
} }
//下面函数的作用是将新的数据通过Uri的操作存储到数据库
Uri pushIntoContentResolver(Context context, long noteId) { Uri pushIntoContentResolver(Context context, long noteId) {
/** /**
* Check for safety * Check for safety
*/ */
if (noteId <= 0) { if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId); throw new IllegalArgumentException("Wrong note id:" + noteId);
}//判断数据是否合法 }
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ContentProviderOperation.Builder builder = null;//数据库的操作列表 ContentProviderOperation.Builder builder = null;
if(mTextDataValues.size() > 0) { if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId); mTextDataValues.put(DataColumns.NOTE_ID, noteId);
@ -188,7 +209,7 @@ public class Note {
operationList.add(builder.build()); operationList.add(builder.build());
} }
mTextDataValues.clear(); mTextDataValues.clear();
}//把文本数据存入DataColumns }
if(mCallDataValues.size() > 0) { if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId); mCallDataValues.put(DataColumns.NOTE_ID, noteId);
@ -210,7 +231,7 @@ public class Note {
operationList.add(builder.build()); operationList.add(builder.build());
} }
mCallDataValues.clear(); mCallDataValues.clear();
}//把电话号码数据存入DataColumns }
if (operationList.size() > 0) { if (operationList.size() > 0) {
try { try {
@ -225,7 +246,7 @@ public class Note {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null; return null;
} }
}//存储过程中的异常处理 }
return null; return null;
} }
} }

@ -1,5 +1,37 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.model; 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 { public class WorkingNote {
// Note for the working note // Note for the working note
private Note mNote; private Note mNote;
@ -11,11 +43,17 @@ public class WorkingNote {
private int mMode; private int mMode;
private long mAlertDate; private long mAlertDate;
private long mModifiedDate; private long mModifiedDate;
private int mBgColorId; private int mBgColorId;
private int mWidgetId; private int mWidgetId;
private int mWidgetType; private int mWidgetType;
private long mFolderId; private long mFolderId;
private Context mContext; private Context mContext;
private static final String TAG = "WorkingNote"; private static final String TAG = "WorkingNote";
@ -24,7 +62,6 @@ public class WorkingNote {
private NoteSettingChangedListener mNoteSettingStatusListener; private NoteSettingChangedListener mNoteSettingStatusListener;
// 声明 DATA_PROJECTION字符串数组
public static final String[] DATA_PROJECTION = new String[] { public static final String[] DATA_PROJECTION = new String[] {
DataColumns.ID, DataColumns.ID,
DataColumns.CONTENT, DataColumns.CONTENT,
@ -35,7 +72,6 @@ public class WorkingNote {
DataColumns.DATA4, DataColumns.DATA4,
}; };
// 声明 NOTE_PROJECTION字符串数组
public static final String[] NOTE_PROJECTION = new String[] { public static final String[] NOTE_PROJECTION = new String[] {
NoteColumns.PARENT_ID, NoteColumns.PARENT_ID,
NoteColumns.ALERTED_DATE, NoteColumns.ALERTED_DATE,
@ -46,18 +82,27 @@ public class WorkingNote {
}; };
private static final int DATA_ID_COLUMN = 0; private static final int DATA_ID_COLUMN = 0;
private static final int DATA_CONTENT_COLUMN = 1; private static final int DATA_CONTENT_COLUMN = 1;
private static final int DATA_MIME_TYPE_COLUMN = 2; private static final int DATA_MIME_TYPE_COLUMN = 2;
private static final int DATA_MODE_COLUMN = 3; private static final int DATA_MODE_COLUMN = 3;
private static final int NOTE_PARENT_ID_COLUMN = 0; private static final int NOTE_PARENT_ID_COLUMN = 0;
private static final int NOTE_ALERTED_DATE_COLUMN = 1; private static final int NOTE_ALERTED_DATE_COLUMN = 1;
private static final int NOTE_BG_COLOR_ID_COLUMN = 2; 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_ID_COLUMN = 3;
private static final int NOTE_WIDGET_TYPE_COLUMN = 4; private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
private static final int NOTE_MODIFIED_DATE_COLUMN = 5; private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
// New note construct // New note construct
public WorkingNote(Context context, long folderId) { private WorkingNote(Context context, long folderId) {
mContext = context; mContext = context;
mAlertDate = 0; mAlertDate = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();
@ -69,7 +114,6 @@ public class WorkingNote {
mWidgetType = Notes.TYPE_WIDGET_INVALIDE; mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
} }
// WorkingNote的构造函数
// Existing note construct // Existing note construct
private WorkingNote(Context context, long noteId, long folderId) { private WorkingNote(Context context, long noteId, long folderId) {
mContext = context; mContext = context;
@ -80,14 +124,11 @@ public class WorkingNote {
loadNote(); loadNote();
} }
// 加载Note
// 通过数据库调用query函数找到第一个条目
private void loadNote() { private void loadNote() {
Cursor cursor = mContext.getContentResolver().query( Cursor cursor = mContext.getContentResolver().query(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null,
null, null); null, null);
// 若存在,储存相应信息
if (cursor != null) { if (cursor != null) {
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
@ -98,7 +139,6 @@ public class WorkingNote {
mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
} }
cursor.close(); cursor.close();
// 若不存在,报错
} else { } else {
Log.e(TAG, "No note with id:" + mNoteId); Log.e(TAG, "No note with id:" + mNoteId);
throw new IllegalArgumentException("Unable to find note with id " + mNoteId); throw new IllegalArgumentException("Unable to find note with id " + mNoteId);
@ -106,7 +146,6 @@ public class WorkingNote {
loadNoteData(); loadNoteData();
} }
// 加载NoteData
private void loadNoteData() { private void loadNoteData() {
Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
DataColumns.NOTE_ID + "=?", new String[] { DataColumns.NOTE_ID + "=?", new String[] {
@ -114,8 +153,7 @@ public class WorkingNote {
}, null); }, null);
if (cursor != null) { if (cursor != null) {
// 查到信息不为空 if (cursor.moveToFirst()) {
if (cursor.moveToFirst()) { // 查看第一项是否存在
do { do {
String type = cursor.getString(DATA_MIME_TYPE_COLUMN); String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
if (DataConstants.NOTE.equals(type)) { if (DataConstants.NOTE.equals(type)) {
@ -127,7 +165,7 @@ public class WorkingNote {
} else { } else {
Log.d(TAG, "Wrong note type with type:" + type); Log.d(TAG, "Wrong note type with type:" + type);
} }
} while (cursor.moveToNext());//查阅所有项,直到为空 } while (cursor.moveToNext());
} }
cursor.close(); cursor.close();
} else { } else {
@ -136,12 +174,9 @@ public class WorkingNote {
} }
} }
// 创建空的Note
// 传参context文件夹idwidget背景颜色
public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
int widgetType, int defaultBgColorId) { int widgetType, int defaultBgColorId) {
WorkingNote note = new WorkingNote(context, folderId); WorkingNote note = new WorkingNote(context, folderId);
// 设定相关属性
note.setBgColorId(defaultBgColorId); note.setBgColorId(defaultBgColorId);
note.setWidgetId(widgetId); note.setWidgetId(widgetId);
note.setWidgetType(widgetType); note.setWidgetType(widgetType);
@ -152,10 +187,9 @@ public class WorkingNote {
return new WorkingNote(context, id, 0); return new WorkingNote(context, id, 0);
} }
// 保存Note
public synchronized boolean saveNote() { public synchronized boolean saveNote() {
if (isWorthSaving()) { //是否值得保存 if (isWorthSaving()) {
if (!existInDatabase()) { // 是否存在数据库中 if (!existInDatabase()) {
if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
Log.e(TAG, "Create new note fail with id:" + mNoteId); Log.e(TAG, "Create new note fail with id:" + mNoteId);
return false; return false;
@ -178,14 +212,11 @@ public class WorkingNote {
} }
} }
// 是否在数据库中存在
public boolean existInDatabase() { public boolean existInDatabase() {
return mNoteId > 0; return mNoteId > 0;
} }
// 是否值得保存
private boolean isWorthSaving() { private boolean isWorthSaving() {
// 被删除,或(不在数据库中 内容为空),或 本地已保存过
if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent))
|| (existInDatabase() && !mNote.isLocalModified())) { || (existInDatabase() && !mNote.isLocalModified())) {
return false; return false;
@ -194,14 +225,10 @@ public class WorkingNote {
} }
} }
// 设置mNoteSettingStatusListener
public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
mNoteSettingStatusListener = l; mNoteSettingStatusListener = l;
} }
// 设置AlertDate
// 若 mAlertDate与data不同则更改mAlertDate并设定NoteValue
public void setAlertDate(long date, boolean set) { public void setAlertDate(long date, boolean set) {
if (date != mAlertDate) { if (date != mAlertDate) {
mAlertDate = date; mAlertDate = date;
@ -212,20 +239,16 @@ public class WorkingNote {
} }
} }
// 设定删除标记
public void markDeleted(boolean mark) { public void markDeleted(boolean mark) {
// 设定标记
mIsDeleted = mark; mIsDeleted = mark;
if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onWidgetChanged(); mNoteSettingStatusListener.onWidgetChanged();
// 调用mNoteSettingStatusListener的 onWidgetChanged方法
} }
} }
// 设定背景颜色
public void setBgColorId(int id) { public void setBgColorId(int id) {
if (id != mBgColorId) { //设定条件 id != mBgColorId if (id != mBgColorId) {
mBgColorId = id; mBgColorId = id;
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onBackgroundColorChanged(); mNoteSettingStatusListener.onBackgroundColorChanged();
@ -234,10 +257,8 @@ public class WorkingNote {
} }
} }
// 设定检查列表模式
// 参数mode
public void setCheckListMode(int mode) { public void setCheckListMode(int mode) {
if (mMode != mode) { //设定条件 mMode != mode if (mMode != mode) {
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
} }
@ -246,108 +267,81 @@ public class WorkingNote {
} }
} }
// 设定WidgetType
// 参数type
public void setWidgetType(int type) { public void setWidgetType(int type) {
if (type != mWidgetType) {//设定条件 type != mWidgetType if (type != mWidgetType) {
mWidgetType = type; mWidgetType = type;
mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
// 调用Note的setNoteValue方法更改WidgetType
} }
} }
// 设定WidgetId
// 参数id
public void setWidgetId(int id) { public void setWidgetId(int id) {
if (id != mWidgetId) {//设定条件 id != mWidgetId if (id != mWidgetId) {
mWidgetId = id; mWidgetId = id;
mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
// 调用Note的setNoteValue方法更改WidgetId
} }
} }
// 设定WorkingTex
// 参数更改的text
public void setWorkingText(String text) { public void setWorkingText(String text) {
if (!TextUtils.equals(mContent, text)) {//设定条件 mContent, text内容不同 if (!TextUtils.equals(mContent, text)) {
mContent = text; mContent = text;
mNote.setTextData(DataColumns.CONTENT, mContent); mNote.setTextData(DataColumns.CONTENT, mContent);
// 调用Note的setTextData方法更改WorkingText
} }
} }
// 转变mNote的CallData及CallNote信息
// 参数String phoneNumber, long callDate
public void convertToCallNote(String phoneNumber, long callDate) { public void convertToCallNote(String phoneNumber, long callDate) {
mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
} }
// 判断是否有时钟题型
public boolean hasClockAlert() { public boolean hasClockAlert() {
return (mAlertDate > 0 ? true : false); return (mAlertDate > 0 ? true : false);
} }
// 获取Content
public String getContent() { public String getContent() {
return mContent; return mContent;
} }
// 获取AlertDate
public long getAlertDate() { public long getAlertDate() {
return mAlertDate; return mAlertDate;
} }
// 获取ModifiedDate
public long getModifiedDate() { public long getModifiedDate() {
return mModifiedDate; return mModifiedDate;
} }
// 获取背景颜色来源id
public int getBgColorResId() { public int getBgColorResId() {
return NoteBgResources.getNoteBgResource(mBgColorId); return NoteBgResources.getNoteBgResource(mBgColorId);
} }
// 获取背景颜色id
public int getBgColorId() { public int getBgColorId() {
return mBgColorId; return mBgColorId;
} }
// 获取标题背景颜色id
public int getTitleBgResId() { public int getTitleBgResId() {
return NoteBgResources.getNoteTitleBgResource(mBgColorId); return NoteBgResources.getNoteTitleBgResource(mBgColorId);
} }
// 获取CheckListMode
public int getCheckListMode() { public int getCheckListMode() {
return mMode; return mMode;
} }
// 获取便签id
public long getNoteId() { public long getNoteId() {
return mNoteId; return mNoteId;
} }
// 获取文件夹id
public long getFolderId() { public long getFolderId() {
return mFolderId; return mFolderId;
} }
// 获取WidgetId
public int getWidgetId() { public int getWidgetId() {
return mWidgetId; return mWidgetId;
} }
// 获取WidgetType
public int getWidgetType() { public int getWidgetType() {
return mWidgetType; return mWidgetType;
} }
// 创建接口 NoteSettingChangedListener,便签更新监视
// 为NoteEditActivity提供接口
// 提供函数有
public interface NoteSettingChangedListener { public interface NoteSettingChangedListener {
/** /**
* Called when the background color of current note has just changed * Called when the background color of current note has just changed

@ -14,48 +14,33 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.tool; package net.micode.notes.tool;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.os.Environment; import android.os.Environment;
import android.text.TextUtils; import android.text.TextUtils;
import android.text.format.DateFormat; import android.text.format.DateFormat;
import android.util.Log; import android.util.Log;
import net.micode.notes.R; import net.micode.notes.R;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
/*
便
便便
使Android(ContentProvider)便
便
*/
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
//单例对象是一种确保在应用程序中只有一个实例被创建的设计模式 public class BackupUtils {
//提供一种全局的访问方式
//这个类描述备份工具的属性和行为
public class BackupUtils {
// 声明一个常量 TAG用于在日志中标识这个类
private static final String TAG = "BackupUtils"; private static final String TAG = "BackupUtils";
// Singleton stuff // Singleton stuff
// 声明一个私有的静态变量 sInstance保存单例对象
private static BackupUtils sInstance; private static BackupUtils sInstance;
/*
*/
public static synchronized BackupUtils getInstance(Context context) { public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) { if (sInstance == null) {
sInstance = new BackupUtils(context); sInstance = new BackupUtils(context);
@ -68,26 +53,22 @@
* status * status
*/ */
// Currently, the sdcard is not mounted // Currently, the sdcard is not mounted
//SD卡没有挂载的状态码
public static final int STATE_SD_CARD_UNMOUONTED = 0; public static final int STATE_SD_CARD_UNMOUONTED = 0;
//备份文件不存在的状态码
// The backup file not exist // The backup file not exist
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
//数据格式不正确,可能被其他程序修改的状态码
// The data is not well formated, may be changed by other programs // The data is not well formated, may be changed by other programs
public static final int STATE_DATA_DESTROIED = 2; public static final int STATE_DATA_DESTROIED = 2;
//运行异常导致恢复或者备份失败的状态码
// Some run-time exception which causes restore or backup fails // Some run-time exception which causes restore or backup fails
public static final int STATE_SYSTEM_ERROR = 3; public static final int STATE_SYSTEM_ERROR = 3;
//运行异常导致恢复或者备份成功的状态码
// Backup or restore success // Backup or restore success
public static final int STATE_SUCCESS = 4; public static final int STATE_SUCCESS = 4;
//这个用于导出备份数据到文本文件
private TextExport mTextExport; private TextExport mTextExport;
//获取
private BackupUtils(Context context) { private BackupUtils(Context context) {
mTextExport = new TextExport(context); mTextExport = new TextExport(context);
} }
private static boolean externalStorageAvailable() { private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
} }
@ -358,7 +339,6 @@
return null; return null;
} }
} }

@ -14,47 +14,28 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.tool; package net.micode.notes.tool;
import android.content.ContentProviderOperation; import android.content.ContentProviderOperation;
import android.content.ContentProviderResult; import android.content.ContentProviderResult;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentUris; import android.content.ContentUris;
import android.content.ContentValues; import android.content.ContentValues;
import android.content.OperationApplicationException; import android.content.OperationApplicationException;
import android.database.Cursor; import android.database.Cursor;
import android.os.RemoteException; import android.os.RemoteException;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote; import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashSet; import java.util.HashSet;
public class DataUtils {
/*
DataUtils
使便
使ContentResolverContentProvider
使
+
便
*/
public class DataUtils {
public static final String TAG = "DataUtils"; public static final String TAG = "DataUtils";
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) { public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) { if (ids == null) {
@ -311,5 +292,4 @@
} }
return snippet; return snippet;
} }
} }

@ -14,24 +14,6 @@
* limitations under the License. * limitations under the License.
*/ */
/*
便
ContentResolverAndroid
ContentProvider
使ContentResolverContentProvider(Android)
使便
使
*/
package net.micode.notes.tool; package net.micode.notes.tool;
public class GTaskStringUtils { public class GTaskStringUtils {

@ -14,17 +14,8 @@
* limitations under the License. * limitations under the License.
*/ */
/**
使
便使使
使
*/
package net.micode.notes.tool; package net.micode.notes.tool;
import android.content.Context; import android.content.Context;
import android.preference.PreferenceManager; import android.preference.PreferenceManager;

@ -40,12 +40,11 @@ import net.micode.notes.tool.DataUtils;
import java.io.IOException; import java.io.IOException;
// AlarmAlertActivity 类,用于显示闹钟提醒界面
public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
private long mNoteId; // 笔记的唯一标识符 private long mNoteId;
private String mSnippet; // 笔记的片段内容 private String mSnippet;
private static final int SNIPPET_PREW_MAX_LEN = 60; // 笔记片段的最大长度 private static final int SNIPPET_PREW_MAX_LEN = 60;
MediaPlayer mPlayer; // 播放器对象 MediaPlayer mPlayer;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
@ -65,10 +64,8 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
Intent intent = getIntent(); Intent intent = getIntent();
try { try {
// 从意图中获取笔记的唯一标识符,并根据标识符获取笔记片段内容
mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1));
mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId);
// 如果笔记片段内容超过最大长度,截取并添加附加信息
mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0,
SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info)
: mSnippet; : mSnippet;
@ -79,7 +76,6 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
mPlayer = new MediaPlayer(); mPlayer = new MediaPlayer();
if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) {
// 如果笔记在数据库中可见,显示操作对话框并播放闹钟声音
showActionDialog(); showActionDialog();
playAlarmSound(); playAlarmSound();
} else { } else {
@ -93,37 +89,37 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
} }
private void playAlarmSound() { private void playAlarmSound() {
// 获取闹钟铃声的 URI
Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM);
int silentModeStreams = Settings.System.getInt(getContentResolver(), int silentModeStreams = Settings.System.getInt(getContentResolver(),
Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0);
// 根据静音模式设置播放器的音频流类型
if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) {
mPlayer.setAudioStreamType(silentModeStreams); mPlayer.setAudioStreamType(silentModeStreams);
} else { } else {
mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
} }
try { try {
// 设置播放器的数据源,准备播放并循环播放
mPlayer.setDataSource(this, url); mPlayer.setDataSource(this, url);
mPlayer.prepare(); mPlayer.prepare();
mPlayer.setLooping(true); mPlayer.setLooping(true);
mPlayer.start(); mPlayer.start();
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
} catch (SecurityException e) { } catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
} catch (IllegalStateException e) { } catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
} catch (IOException e) { } catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace(); e.printStackTrace();
} }
} }
private void showActionDialog() { private void showActionDialog() {
// 显示操作对话框,包括笔记片段内容和按钮
AlertDialog.Builder dialog = new AlertDialog.Builder(this); AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle(R.string.app_name); dialog.setTitle(R.string.app_name);
dialog.setMessage(mSnippet); dialog.setMessage(mSnippet);
@ -137,7 +133,6 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
switch (which) { switch (which) {
case DialogInterface.BUTTON_NEGATIVE: case DialogInterface.BUTTON_NEGATIVE:
// 点击“进入”按钮,打开 NoteEditActivity 并显示当前笔记
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
intent.putExtra(Intent.EXTRA_UID, mNoteId); intent.putExtra(Intent.EXTRA_UID, mNoteId);
@ -149,13 +144,11 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
} }
public void onDismiss(DialogInterface dialog) { public void onDismiss(DialogInterface dialog) {
// 对话框消失时停止闹钟声音并关闭界面
stopAlarmSound(); stopAlarmSound();
finish(); finish();
} }
private void stopAlarmSound() { private void stopAlarmSound() {
// 停止并释放播放器对象
if (mPlayer != null) { if (mPlayer != null) {
mPlayer.stop(); mPlayer.stop();
mPlayer.release(); mPlayer.release();

@ -30,53 +30,35 @@ import net.micode.notes.data.Notes.NoteColumns;
public class AlarmInitReceiver extends BroadcastReceiver { public class AlarmInitReceiver extends BroadcastReceiver {
// 定义需要查询的列
private static final String [] PROJECTION = new String [] { private static final String [] PROJECTION = new String [] {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.ALERTED_DATE NoteColumns.ALERTED_DATE
}; };
// 定义列索引
private static final int COLUMN_ID = 0; private static final int COLUMN_ID = 0;
private static final int COLUMN_ALERTED_DATE = 1; private static final int COLUMN_ALERTED_DATE = 1;
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
// 获取当前系统时间
long currentDate = System.currentTimeMillis(); long currentDate = System.currentTimeMillis();
// 查询匹配条件的便签信息
Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
PROJECTION, PROJECTION,
NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE,
new String[] { String.valueOf(currentDate) }, new String[] { String.valueOf(currentDate) },
null); null);
// 检查查询结果是否为空
if (c != null) { if (c != null) {
// 检查是否有匹配的记录
if (c.moveToFirst()) { if (c.moveToFirst()) {
do { do {
// 获取提醒时间
long alertDate = c.getLong(COLUMN_ALERTED_DATE); long alertDate = c.getLong(COLUMN_ALERTED_DATE);
// 创建一个意图对象,用于触发闹钟时执行特定的操作
Intent sender = new Intent(context, AlarmReceiver.class); Intent sender = new Intent(context, AlarmReceiver.class);
// 设置数据,通常用于唯一标识某个便签
sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
// 创建一个用于发送广播的PendingIntent
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
AlarmManager alermManager = (AlarmManager) context
// 获取AlarmManager实例用于设置闹钟 .getSystemService(Context.ALARM_SERVICE);
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
// 设置闹钟,触发时间为提醒时间
alarmManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
} while (c.moveToNext()); } while (c.moveToNext());
} }
// 关闭Cursor释放资源
c.close(); c.close();
} }
} }

@ -21,16 +21,10 @@ import android.content.Context;
import android.content.Intent; import android.content.Intent;
public class AlarmReceiver extends BroadcastReceiver { public class AlarmReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
// 创建一个新的Intent用于启动AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class); intent.setClass(context, AlarmAlertActivity.class);
// 添加标志指示要启动一个新的Activity
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// 启动指定的Activity
context.startActivity(intent); context.startActivity(intent);
} }
} }

@ -32,7 +32,6 @@ public class DateTimePicker extends FrameLayout {
private static final boolean DEFAULT_ENABLE_STATE = true; private static final boolean DEFAULT_ENABLE_STATE = true;
//定义了一些常用的变量,这些变量是全局的,在这里定义会便于修改
private static final int HOURS_IN_HALF_DAY = 12; private static final int HOURS_IN_HALF_DAY = 12;
private static final int HOURS_IN_ALL_DAY = 24; private static final int HOURS_IN_ALL_DAY = 24;
private static final int DAYS_IN_ALL_WEEK = 7; private static final int DAYS_IN_ALL_WEEK = 7;
@ -65,189 +64,133 @@ public class DateTimePicker extends FrameLayout {
private OnDateTimeChangedListener mOnDateTimeChangedListener; private OnDateTimeChangedListener mOnDateTimeChangedListener;
// 创建一个监听日期选择器值变化事件的监听器
private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
// 当日期选择器的值发生变化时,下面的方法会被调用
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
// 更新日期对象mDate的日历字段根据新值和旧值之间的差异
mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal); mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal);
// 更新与日期选择相关的用户界面控件,以反映新的日期值
updateDateControl(); updateDateControl();
// 可能用于通知日期时间的整体变化具体实现需要查看onDateTimeChanged()方法的定义
onDateTimeChanged(); onDateTimeChanged();
} }
}; };
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
// 创建一个监听小时选择器值变化事件的监听器
private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
// 当小时选择器的值发生变化时,下面的方法会被调用
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
boolean isDateChanged = false; // 用于标记日期是否发生变化 boolean isDateChanged = false;
Calendar cal = Calendar.getInstance(); // 创建一个日历对象,用于处理日期操作 Calendar cal = Calendar.getInstance();
// 如果不是24小时制
if (!mIs24HourView) { if (!mIs24HourView) {
// 如果不是上午,并且旧值是上午结束的最后一小时,新值是上午开始的第一小时
if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); // 将日期增加一天 cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; // 标记日期发生变化 isDateChanged = true;
} } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
// 如果是上午,并且旧值是上午开始的第一小时,新值是上午结束的最后一小时
else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); // 将日期减少一天 cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; // 标记日期发生变化 isDateChanged = true;
} }
// 如果旧值和新值分别跨越上午/下午的边界
if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY || if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY ||
oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) {
mIsAm = !mIsAm; // 切换上午和下午标记 mIsAm = !mIsAm;
updateAmPmControl(); // 更新上午/下午相关的用户界面控件 updateAmPmControl();
}
} }
// 如果是24小时制 } else {
else {
// 如果旧值是一天中最后一小时,新值是一天中第一小时
if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, 1); // 将日期增加一天 cal.add(Calendar.DAY_OF_YEAR, 1);
isDateChanged = true; // 标记日期发生变化 isDateChanged = true;
} } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
// 如果旧值是一天中第一小时,新值是一天中最后一小时
else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) {
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
cal.add(Calendar.DAY_OF_YEAR, -1); // 将日期减少一天 cal.add(Calendar.DAY_OF_YEAR, -1);
isDateChanged = true; // 标记日期发生变化 isDateChanged = true;
} }
} }
// 计算新的小时值,考虑上午/下午,并更新日期对象中的小时字段
int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY);
mDate.set(Calendar.HOUR_OF_DAY, newHour); mDate.set(Calendar.HOUR_OF_DAY, newHour);
// 通知日期时间的整体变化
onDateTimeChanged(); onDateTimeChanged();
// 如果日期发生变化,更新当前的年、月、日
if (isDateChanged) { if (isDateChanged) {
setCurrentYear(cal.get(Calendar.YEAR)); setCurrentYear(cal.get(Calendar.YEAR));
setCurrentMonth(cal.get(Calendar.MONTH)); setCurrentMonth(cal.get(Calendar.MONTH));
setCurrentDay(cal.get(Calendar.DAY_OF_MONTH)); setCurrentDay(cal.get(Calendar.DAY_OF_MONTH));
} }
} }
}; };
// 创建一个监听分钟选择器值变化事件的监听器
private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
// 当分钟选择器的值发生变化时,下面的方法会被调用
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
int minValue = mMinuteSpinner.getMinValue(); // 获取分钟选择器的最小值 int minValue = mMinuteSpinner.getMinValue();
int maxValue = mMinuteSpinner.getMaxValue(); // 获取分钟选择器的最大值 int maxValue = mMinuteSpinner.getMaxValue();
int offset = 0; // 用于记录小时的偏移量 int offset = 0;
// 检查是否跨越了分钟的边界,即从最大值切换到最小值或从最小值切换到最大值
if (oldVal == maxValue && newVal == minValue) { if (oldVal == maxValue && newVal == minValue) {
offset += 1; // 如果跨越了分钟的边界将小时偏移量增加1 offset += 1;
} else if (oldVal == minValue && newVal == maxValue) { } else if (oldVal == minValue && newVal == maxValue) {
offset -= 1; // 如果跨越了分钟的边界将小时偏移量减少1 offset -= 1;
} }
// 如果发生了小时的偏移
if (offset != 0) { if (offset != 0) {
mDate.add(Calendar.HOUR_OF_DAY, offset); // 更新日期对象中的小时字段 mDate.add(Calendar.HOUR_OF_DAY, offset);
mHourSpinner.setValue(getCurrentHour()); // 设置小时选择器的值 mHourSpinner.setValue(getCurrentHour());
updateDateControl(); // 更新日期控件 updateDateControl();
int newHour = getCurrentHourOfDay(); // 获取新的小时值 int newHour = getCurrentHourOfDay();
// 根据新的小时值更新上午/下午标记
if (newHour >= HOURS_IN_HALF_DAY) { if (newHour >= HOURS_IN_HALF_DAY) {
mIsAm = false; // 如果新的小时值大于等于半天的小时数,表示下午 mIsAm = false;
updateAmPmControl(); // 更新上午/下午相关的用户界面控件 updateAmPmControl();
} else { } else {
mIsAm = true; // 否则表示上午 mIsAm = true;
updateAmPmControl(); // 更新上午/下午相关的用户界面控件 updateAmPmControl();
} }
} }
mDate.set(Calendar.MINUTE, newVal);
mDate.set(Calendar.MINUTE, newVal); // 更新日期对象中的分钟字段 onDateTimeChanged();
onDateTimeChanged(); // 通知日期时间的整体变化
} }
}; };
// 创建一个监听上午/下午选择器值变化事件的监听器
private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() {
@Override @Override
// 当上午/下午选择器的值发生变化时,下面的方法会被调用
public void onValueChange(NumberPicker picker, int oldVal, int newVal) { public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
mIsAm = !mIsAm; // 切换上午/下午标记的值,如果是上午变为下午,反之亦然 mIsAm = !mIsAm;
// 根据上午/下午标记的变化,调整日期对象中的小时字段
if (mIsAm) { if (mIsAm) {
mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); // 如果是上午减少12小时 mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY);
} else { } else {
mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY); // 如果是下午增加12小时 mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY);
} }
updateAmPmControl();
updateAmPmControl(); // 更新上午/下午选择器的用户界面控件 onDateTimeChanged();
onDateTimeChanged(); // 通知日期时间的整体变化
} }
}; };
// 定义一个接口,用于监听日期时间变化事件
public interface OnDateTimeChangedListener { public interface OnDateTimeChangedListener {
void onDateTimeChanged(DateTimePicker view, int year, int month, void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute); int dayOfMonth, int hourOfDay, int minute);
} }
// 构造函数用于创建DateTimePicker实例传入上下文参数
public DateTimePicker(Context context) { public DateTimePicker(Context context) {
this(context, System.currentTimeMillis()); // 调用另一个构造函数并传入当前系统时间 this(context, System.currentTimeMillis());
} }
// 构造函数用于创建DateTimePicker实例传入上下文和日期时间参数
public DateTimePicker(Context context, long date) { public DateTimePicker(Context context, long date) {
this(context, date, DateFormat.is24HourFormat(context)); // 调用另一个构造函数并传入日期时间和是否为24小时制的参数 this(context, date, DateFormat.is24HourFormat(context));
} }
// 构造函数用于创建DateTimePicker实例传入上下文、日期时间和是否为24小时制的参数
public DateTimePicker(Context context, long date, boolean is24HourView) { public DateTimePicker(Context context, long date, boolean is24HourView) {
super(context); // 调用父类构造函数 super(context);
mDate = Calendar.getInstance(); // 初始化日期时间对象 mDate = Calendar.getInstance();
mInitialising = true; // 标记初始化过程中的状态 mInitialising = true;
mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; // 根据当前小时判断是否为上午 mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY;
// 加载布局文件,将其附加到当前视图
inflate(context, R.layout.datetime_picker, this); inflate(context, R.layout.datetime_picker, this);
// 初始化日期选择器
mDateSpinner = (NumberPicker) findViewById(R.id.date); mDateSpinner = (NumberPicker) findViewById(R.id.date);
mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL);
mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL);
mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); mDateSpinner.setOnValueChangedListener(mOnDateChangedListener);
// 初始化小时选择器
mHourSpinner = (NumberPicker) findViewById(R.id.hour); mHourSpinner = (NumberPicker) findViewById(R.id.hour);
mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); mHourSpinner.setOnValueChangedListener(mOnHourChangedListener);
// 初始化分钟选择器
mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); mMinuteSpinner = (NumberPicker) findViewById(R.id.minute);
mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL);
mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL);
mMinuteSpinner.setOnLongPressUpdateInterval(100); mMinuteSpinner.setOnLongPressUpdateInterval(100);
mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener);
// 初始化上午/下午选择器
String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings(); String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings();
mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm); mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm);
mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL); mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL);
@ -255,104 +198,92 @@ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPi
mAmPmSpinner.setDisplayedValues(stringsForAmPm); mAmPmSpinner.setDisplayedValues(stringsForAmPm);
mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener);
// 更新各控件的初始状态 // update controls to initial state
updateDateControl(); updateDateControl();
updateHourControl(); updateHourControl();
updateAmPmControl(); updateAmPmControl();
set24HourView(is24HourView); // 设置是否为24小时制 set24HourView(is24HourView);
// 设置当前日期时间 // set to current time
setCurrentDate(date); setCurrentDate(date);
setEnabled(isEnabled()); // 设置控件是否可用 setEnabled(isEnabled());
// 设置内容描述,用于辅助功能 // set the content descriptions
mInitialising = false; // 初始化过程结束 mInitialising = false;
} }
/**
*
*
* @param enabled
*/
@Override @Override
public void setEnabled(boolean enabled) { public void setEnabled(boolean enabled) {
if (mIsEnabled == enabled) { if (mIsEnabled == enabled) {
return; // 如果已经处于相同状态,无需执行任何操作 return;
} }
super.setEnabled(enabled); // 调用父类方法设置控件的启用状态 super.setEnabled(enabled);
mDateSpinner.setEnabled(enabled); // 设置日期选择器是否启用 mDateSpinner.setEnabled(enabled);
mMinuteSpinner.setEnabled(enabled); // 设置分钟选择器是否启用 mMinuteSpinner.setEnabled(enabled);
mHourSpinner.setEnabled(enabled); // 设置小时选择器是否启用 mHourSpinner.setEnabled(enabled);
mAmPmSpinner.setEnabled(enabled); // 设置上午/下午选择器是否启用 mAmPmSpinner.setEnabled(enabled);
mIsEnabled = enabled; // 更新控件的启用状态标志 mIsEnabled = enabled;
} }
/**
*
*
* @return
*/
@Override @Override
public boolean isEnabled() { public boolean isEnabled() {
return mIsEnabled; // 返回控件的启用状态标志 return mIsEnabled;
} }
/** /**
* * Get the current date in millis
* *
* @return * @return the current date in millis
*/ */
public long getCurrentDateInTimeMillis() { public long getCurrentDateInTimeMillis() {
return mDate.getTimeInMillis(); // 返回当前日期的毫秒表示 return mDate.getTimeInMillis();
} }
/** /**
* * Set the current date
* *
* @param date * @param date The current date in millis
*/ */
public void setCurrentDate(long date) { public void setCurrentDate(long date) {
Calendar cal = Calendar.getInstance(); Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date); // 将传入的日期毫秒值设置到Calendar对象中 cal.setTimeInMillis(date);
setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH),
cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE)); // 设置当前日期和时间 cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE));
} }
/** /**
* * Set the current date
* *
* @param year * @param year The current year
* @param month * @param month The current month
* @param dayOfMonth * @param dayOfMonth The current dayOfMonth
* @param hourOfDay * @param hourOfDay The current hourOfDay
* @param minute * @param minute The current minute
*/ */
public void setCurrentDate(int year, int month, public void setCurrentDate(int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
setCurrentYear(year); // 设置当前年份 setCurrentYear(year);
setCurrentMonth(month); // 设置当前月份 setCurrentMonth(month);
setCurrentDay(dayOfMonth); // 设置当前日 setCurrentDay(dayOfMonth);
setCurrentHour(hourOfDay); // 设置当前小时 setCurrentHour(hourOfDay);
setCurrentMinute(minute); // 设置当前分钟 setCurrentMinute(minute);
} }
/** /**
* * Get current year
* *
* @return * @return The current year
*/ */
public int getCurrentYear() { public int getCurrentYear() {
return mDate.get(Calendar.YEAR); return mDate.get(Calendar.YEAR);
} }
/** /**
* * Set current year
* *
* @param year * @param year The current year
*/ */
public void setCurrentYear(int year) { public void setCurrentYear(int year) {
if (!mInitialising && year == getCurrentYear()) { if (!mInitialising && year == getCurrentYear()) {
@ -364,18 +295,18 @@ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPi
} }
/** /**
* * Get current month in the year
* *
* @return * @return The current month in the year
*/ */
public int getCurrentMonth() { public int getCurrentMonth() {
return mDate.get(Calendar.MONTH); return mDate.get(Calendar.MONTH);
} }
/** /**
* * Set current month in the year
* *
* @param month * @param month The month in the year
*/ */
public void setCurrentMonth(int month) { public void setCurrentMonth(int month) {
if (!mInitialising && month == getCurrentMonth()) { if (!mInitialising && month == getCurrentMonth()) {
@ -387,18 +318,18 @@ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPi
} }
/** /**
* * Get current day of the month
* *
* @return * @return The day of the month
*/ */
public int getCurrentDay() { public int getCurrentDay() {
return mDate.get(Calendar.DAY_OF_MONTH); return mDate.get(Calendar.DAY_OF_MONTH);
} }
/** /**
* * Set current day of the month
* *
* @param dayOfMonth * @param dayOfMonth The day of the month
*/ */
public void setCurrentDay(int dayOfMonth) { public void setCurrentDay(int dayOfMonth) {
if (!mInitialising && dayOfMonth == getCurrentDay()) { if (!mInitialising && dayOfMonth == getCurrentDay()) {
@ -410,21 +341,15 @@ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPi
} }
/** /**
* 24(0~23) * Get current hour in 24 hour mode, in the range (0~23)
* * @return The current hour in 24 hour mode
* @return 24
*/ */
public int getCurrentHourOfDay() { public int getCurrentHourOfDay() {
return mDate.get(Calendar.HOUR_OF_DAY); return mDate.get(Calendar.HOUR_OF_DAY);
} }
/**
*
*
* @return
*/
private int getCurrentHour() { private int getCurrentHour() {
if (mIs24HourView) { if (mIs24HourView){
return getCurrentHourOfDay(); return getCurrentHourOfDay();
} else { } else {
int hour = getCurrentHourOfDay(); int hour = getCurrentHourOfDay();
@ -436,170 +361,125 @@ private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPi
} }
} }
/** /**
* 24(0~23) * Set current hour in 24 hour mode, in the range (0~23)
* *
* @param hourOfDay * @param hourOfDay
*/ */
public void setCurrentHour(int hourOfDay) { public void setCurrentHour(int hourOfDay) {
// 如果不是在初始化状态并且设置的小时与当前小时一致,则不执行任何操作。
if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { if (!mInitialising && hourOfDay == getCurrentHourOfDay()) {
return; return;
} }
// 设置日历对象中的小时字段为指定值。
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
// 如果不是24小时制根据小时值来确定上午或下午。
if (!mIs24HourView) { if (!mIs24HourView) {
if (hourOfDay >= HOURS_IN_HALF_DAY) { if (hourOfDay >= HOURS_IN_HALF_DAY) {
mIsAm = false; // 设置为下午 mIsAm = false;
if (hourOfDay > HOURS_IN_HALF_DAY) { if (hourOfDay > HOURS_IN_HALF_DAY) {
hourOfDay -= HOURS_IN_HALF_DAY; hourOfDay -= HOURS_IN_HALF_DAY;
} }
} else { } else {
mIsAm = true; // 设置为上午 mIsAm = true;
if (hourOfDay == 0) { if (hourOfDay == 0) {
hourOfDay = HOURS_IN_HALF_DAY; hourOfDay = HOURS_IN_HALF_DAY;
} }
} }
// 更新上午/下午控件的显示。
updateAmPmControl(); updateAmPmControl();
} }
// 更新小时控件的显示。
mHourSpinner.setValue(hourOfDay); mHourSpinner.setValue(hourOfDay);
// 通知日期时间变化的监听器。
onDateTimeChanged(); onDateTimeChanged();
} }
/** /**
* * Get currentMinute
* *
* @return * @return The Current Minute
*/ */
public int getCurrentMinute() { public int getCurrentMinute() {
return mDate.get(Calendar.MINUTE); return mDate.get(Calendar.MINUTE);
} }
/** /**
* * Set current minute
*
*
*/ */
public void setCurrentMinute(int minute) { public void setCurrentMinute(int minute) {
// 如果不是在初始化状态并且设置的分钟与当前分钟一致,则不执行任何操作。
if (!mInitialising && minute == getCurrentMinute()) { if (!mInitialising && minute == getCurrentMinute()) {
return; return;
} }
// 设置分钟控件的显示值。
mMinuteSpinner.setValue(minute); mMinuteSpinner.setValue(minute);
// 设置日历对象中的分钟字段为指定值。
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);
// 通知日期时间变化的监听器。
onDateTimeChanged(); onDateTimeChanged();
} }
/** /**
* 24 * @return true if this is in 24 hour view else false.
*
* @return 24truefalse
*/ */
public boolean is24HourView() { public boolean is24HourView () {
return mIs24HourView; return mIs24HourView;
} }
/** /**
* 24/ * Set whether in 24 hour or AM/PM mode.
* *
* @param is24HourView true使24使/ * @param is24HourView True for 24 hour mode. False for AM/PM mode.
*/ */
public void set24HourView(boolean is24HourView) { public void set24HourView(boolean is24HourView) {
// 如果已经是要设置的小时制,不执行任何操作。
if (mIs24HourView == is24HourView) { if (mIs24HourView == is24HourView) {
return; return;
} }
// 更新小时制的状态。
mIs24HourView = is24HourView; mIs24HourView = is24HourView;
// 根据新的小时制设置上午/下午控件的可见性。
mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE);
// 获取当前小时,并根据小时制更新小时控件。
int hour = getCurrentHourOfDay(); int hour = getCurrentHourOfDay();
updateHourControl(); updateHourControl();
setCurrentHour(hour); setCurrentHour(hour);
// 更新上午/下午控件的显示。
updateAmPmControl(); updateAmPmControl();
} }
// 更新日期控件的方法
private void updateDateControl() { private void updateDateControl() {
// 创建一个 Calendar 对象用于日期操作
Calendar cal = Calendar.getInstance(); Calendar cal = Calendar.getInstance();
// 设置 Calendar 对象的时间戳为用户选择的日期
cal.setTimeInMillis(mDate.getTimeInMillis()); cal.setTimeInMillis(mDate.getTimeInMillis());
// 向前调整日期以确保在日期控件中显示一周的日期
cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1); cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1);
// 清空日期控件的显示值
mDateSpinner.setDisplayedValues(null); mDateSpinner.setDisplayedValues(null);
// 循环生成一周中的日期并存储在 mDateDisplayValues 数组中
for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) { for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) {
cal.add(Calendar.DAY_OF_YEAR, 1); cal.add(Calendar.DAY_OF_YEAR, 1);
// 格式化日期为 "MM.dd EEEE" 的字符串形式并存储在 mDateDisplayValues 数组中
mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal); mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal);
} }
// 设置日期控件的显示值为生成的日期数组
mDateSpinner.setDisplayedValues(mDateDisplayValues); mDateSpinner.setDisplayedValues(mDateDisplayValues);
// 将日期控件滚动到一周中间的日期
mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2);
// 刷新日期控件以更新显示
mDateSpinner.invalidate(); mDateSpinner.invalidate();
} }
// 更新上午/下午控件的方法
private void updateAmPmControl() { private void updateAmPmControl() {
if (mIs24HourView) { if (mIs24HourView) {
// 如果应用使用24小时制则隐藏上午/下午控件
mAmPmSpinner.setVisibility(View.GONE); mAmPmSpinner.setVisibility(View.GONE);
} else { } else {
// 如果应用使用12小时制根据 mIsAm 的值确定上午或下午,并设置对应的值
int index = mIsAm ? Calendar.AM : Calendar.PM; int index = mIsAm ? Calendar.AM : Calendar.PM;
mAmPmSpinner.setValue(index); mAmPmSpinner.setValue(index);
// 显示上午/下午控件
mAmPmSpinner.setVisibility(View.VISIBLE); mAmPmSpinner.setVisibility(View.VISIBLE);
} }
} }
// 更新小时控件的方法
private void updateHourControl() { private void updateHourControl() {
if (mIs24HourView) { if (mIs24HourView) {
// 如果应用使用24小时制设置小时控件的最小和最大值
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW);
} else { } else {
// 如果应用使用12小时制设置小时控件的最小和最大值
mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW);
mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW);
} }
} }
/** /**
* * Set the callback that indicates the 'Set' button has been pressed.
* @param callback null * @param callback the callback, if null will do nothing
*/ */
public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) { public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) {
// 设置日期时间变化监听器
mOnDateTimeChangedListener = callback; mOnDateTimeChangedListener = callback;
} }
// 当日期时间发生变化时调用的方法
private void onDateTimeChanged() { private void onDateTimeChanged() {
if (mOnDateTimeChangedListener != null) { if (mOnDateTimeChangedListener != null) {
// 如果监听器不为空,触发监听器的回调方法并传递当前选择的年、月、日、小时和分钟作为参数
mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(),
getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute());
} }
} }
} }

@ -44,65 +44,45 @@ public class DateTimePickerDialog extends AlertDialog implements OnClickListener
super(context); super(context);
mDateTimePicker = new DateTimePicker(context); mDateTimePicker = new DateTimePicker(context);
setView(mDateTimePicker); setView(mDateTimePicker);
// 设置日期时间选择器的监听器,以在日期时间变化时更新标题和数据
mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() {
public void onDateTimeChanged(DateTimePicker view, int year, int month, public void onDateTimeChanged(DateTimePicker view, int year, int month,
int dayOfMonth, int hourOfDay, int minute) { int dayOfMonth, int hourOfDay, int minute) {
// 更新内部日期对象 mDate 的值
mDate.set(Calendar.YEAR, year); mDate.set(Calendar.YEAR, year);
mDate.set(Calendar.MONTH, month); mDate.set(Calendar.MONTH, month);
mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); mDate.set(Calendar.HOUR_OF_DAY, hourOfDay);
mDate.set(Calendar.MINUTE, minute); mDate.set(Calendar.MINUTE, minute);
// 更新对话框的标题
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
}); });
// 初始化内部日期对象 mDate并将其秒数设置为 0
mDate.setTimeInMillis(date); mDate.setTimeInMillis(date);
mDate.set(Calendar.SECOND, 0); mDate.set(Calendar.SECOND, 0);
// 设置日期时间选择器的当前日期和时间
mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); mDateTimePicker.setCurrentDate(mDate.getTimeInMillis());
// 设置对话框的“确定”按钮文本和点击监听器
setButton(context.getString(R.string.datetime_dialog_ok), this); setButton(context.getString(R.string.datetime_dialog_ok), this);
// 设置对话框的“取消”按钮文本,并将其点击监听器设置为 null
setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null);
// 设置是否使用24小时制时间显示
set24HourView(DateFormat.is24HourFormat(this.getContext())); set24HourView(DateFormat.is24HourFormat(this.getContext()));
// 更新对话框的标题
updateTitle(mDate.getTimeInMillis()); updateTitle(mDate.getTimeInMillis());
} }
public void set24HourView(boolean is24HourView) { public void set24HourView(boolean is24HourView) {
// 设置是否使用24小时制时间显示
mIs24HourView = is24HourView; mIs24HourView = is24HourView;
} }
public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) {
// 设置日期时间设置监听器
mOnDateTimeSetListener = callBack; mOnDateTimeSetListener = callBack;
} }
private void updateTitle(long date) { private void updateTitle(long date) {
// 定义用于格式化标题的标志
int flag = int flag =
DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_YEAR |
DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_DATE |
DateUtils.FORMAT_SHOW_TIME; DateUtils.FORMAT_SHOW_TIME;
// 根据是否使用24小时制时间显示来更新标志
flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR;
// 根据给定的日期和标志格式化标题并设置为对话框的标题
setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); setTitle(DateUtils.formatDateTime(this.getContext(), date, flag));
} }
public void onClick(DialogInterface arg0, int arg1) { public void onClick(DialogInterface arg0, int arg1) {
if (mOnDateTimeSetListener != null) { if (mOnDateTimeSetListener != null) {
// 当点击“确定”按钮时,如果监听器不为空,触发监听器的回调方法并传递当前选择的日期时间
mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis());
} }
} }

@ -33,30 +33,29 @@ public class DropdownMenu {
private Menu mMenu; private Menu mMenu;
public DropdownMenu(Context context, Button button, int menuId) { public DropdownMenu(Context context, Button button, int menuId) {
mButton = button; // 保存传入的按钮引用 mButton = button;
mButton.setBackgroundResource(R.drawable.dropdown_icon); // 设置按钮背景图像 mButton.setBackgroundResource(R.drawable.dropdown_icon);
mPopupMenu = new PopupMenu(context, mButton); // 创建弹出菜单与按钮关联 mPopupMenu = new PopupMenu(context, mButton);
mMenu = mPopupMenu.getMenu(); // 获取弹出菜单的菜单对象 mMenu = mPopupMenu.getMenu();
mPopupMenu.getMenuInflater().inflate(menuId, mMenu); // 填充菜单项从指定的menuId mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
mButton.setOnClickListener(new OnClickListener() { mButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mPopupMenu.show(); // 当按钮被点击时,显示弹出菜单 mPopupMenu.show();
} }
}); });
} }
public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
if (mPopupMenu != null) { if (mPopupMenu != null) {
mPopupMenu.setOnMenuItemClickListener(listener); // 设置弹出菜单的菜单项点击监听器 mPopupMenu.setOnMenuItemClickListener(listener);
} }
} }
public MenuItem findItem(int id) { public MenuItem findItem(int id) {
return mMenu.findItem(id); // 查找特定ID的菜单项 return mMenu.findItem(id);
} }
public void setTitle(CharSequence title) { public void setTitle(CharSequence title) {
mButton.setText(title); // 设置按钮的文本标题 mButton.setText(title);
} }
} }

@ -31,21 +31,21 @@ import net.micode.notes.data.Notes.NoteColumns;
public class FoldersListAdapter extends CursorAdapter { public class FoldersListAdapter extends CursorAdapter {
public static final String [] PROJECTION = { public static final String [] PROJECTION = {
NoteColumns.ID, // 列投影数组的索引0 NoteColumns.ID,
NoteColumns.SNIPPET // 列投影数组的索引1 NoteColumns.SNIPPET
}; };
public static final int ID_COLUMN = 0; // 列投影数组的ID列索引 public static final int ID_COLUMN = 0;
public static final int NAME_COLUMN = 1; // 列投影数组的名称列索引 public static final int NAME_COLUMN = 1;
public FoldersListAdapter(Context context, Cursor c) { public FoldersListAdapter(Context context, Cursor c) {
super(context, c); super(context, c);
// 构造函数初始化CursorAdapter // TODO Auto-generated constructor stub
} }
@Override @Override
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new FolderListItem(context); // 创建新的视图用于显示数据项 return new FolderListItem(context);
} }
@Override @Override
@ -53,14 +53,14 @@ public class FoldersListAdapter extends CursorAdapter {
if (view instanceof FolderListItem) { if (view instanceof FolderListItem) {
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
((FolderListItem) view).bind(folderName); // 将数据绑定到视图 ((FolderListItem) view).bind(folderName);
} }
} }
public String getFolderName(Context context, int position) { public String getFolderName(Context context, int position) {
Cursor cursor = (Cursor) getItem(position); // 获取特定位置的Cursor Cursor cursor = (Cursor) getItem(position);
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); // 根据游标数据返回文件夹名称 .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
} }
private class FolderListItem extends LinearLayout { private class FolderListItem extends LinearLayout {
@ -68,12 +68,13 @@ public class FoldersListAdapter extends CursorAdapter {
public FolderListItem(Context context) { public FolderListItem(Context context) {
super(context); super(context);
inflate(context, R.layout.folder_list_item, this); // 填充视图布局 inflate(context, R.layout.folder_list_item, this);
mName = (TextView) findViewById(R.id.tv_folder_name); // 获取文件夹名称的TextView mName = (TextView) findViewById(R.id.tv_folder_name);
} }
public void bind(String name) { public void bind(String name) {
mName.setText(name); // 设置文件夹名称文本 mName.setText(name);
} }
} }
} }

File diff suppressed because it is too large Load Diff

@ -45,7 +45,7 @@ public class NoteEditText extends EditText {
private static final String SCHEME_TEL = "tel:" ; private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ; private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ; private static final String SCHEME_EMAIL = "mailto:" ;
// 定义一个映射将不同的URL scheme与资源ID关联起来
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>(); private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static { static {
sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
@ -54,16 +54,24 @@ public class NoteEditText extends EditText {
} }
/** /**
* NoteEditActivityEditText * Call by the {@link NoteEditActivity} to delete or add edit text
*/ */
public interface OnTextViewChangeListener { public interface OnTextViewChangeListener {
// 当文本为空且按下删除键KEYCODE_DEL删除当前EditText /**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
*/
void onEditTextDelete(int index, String text); void onEditTextDelete(int index, String text);
// 当按下回车键KEYCODE_ENTER在当前EditText之后添加EditText /**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
*/
void onEditTextEnter(int index, String text); void onEditTextEnter(int index, String text);
// 当文本发生更改时,隐藏或显示项目选项 /**
* Hide or show item option when text change
*/
void onTextChange(int index, boolean hasText); void onTextChange(int index, boolean hasText);
} }
@ -73,11 +81,11 @@ public class NoteEditText extends EditText {
super(context, null); super(context, null);
mIndex = 0; mIndex = 0;
} }
// 设置EditText的索引
public void setIndex(int index) { public void setIndex(int index) {
mIndex = index; mIndex = index;
} }
// 设置文本变化监听器
public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
mOnTextViewChangeListener = listener; mOnTextViewChangeListener = listener;
} }
@ -88,13 +96,11 @@ public class NoteEditText extends EditText {
public NoteEditText(Context context, AttributeSet attrs, int defStyle) { public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle); super(context, attrs, defStyle);
// TODO 自动生成的构造函数存根 // TODO Auto-generated constructor stub
} }
@Override @Override
// 处理touch事件用于选择文本
public boolean onTouchEvent(MotionEvent event) { public boolean onTouchEvent(MotionEvent event) {
// 在用户按下时,选择文本
switch (event.getAction()) { switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_DOWN:
@ -116,11 +122,9 @@ public class NoteEditText extends EditText {
} }
@Override @Override
// 处理按键按下事件
public boolean onKeyDown(int keyCode, KeyEvent event) { public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) { switch (keyCode) {
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
// 当按下回车键KEYCODE_ENTER如果有文本变化监听器返回false
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
return false; return false;
} }
@ -135,11 +139,9 @@ public class NoteEditText extends EditText {
} }
@Override @Override
// 处理按键释放事件
public boolean onKeyUp(int keyCode, KeyEvent event) { public boolean onKeyUp(int keyCode, KeyEvent event) {
switch(keyCode) { switch(keyCode) {
case KeyEvent.KEYCODE_DEL: case KeyEvent.KEYCODE_DEL:
// 处理按键释放事件,回车和删除键
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
if (0 == mSelectionStartBeforeDelete && mIndex != 0) { if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
@ -150,7 +152,6 @@ public class NoteEditText extends EditText {
} }
break; break;
case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_ENTER:
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
int selectionStart = getSelectionStart(); int selectionStart = getSelectionStart();
String text = getText().subSequence(selectionStart, length()).toString(); String text = getText().subSequence(selectionStart, length()).toString();
@ -167,9 +168,7 @@ public class NoteEditText extends EditText {
} }
@Override @Override
// 当焦点发生变化时的回调
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
// 当焦点发生变化时,通知文本变化监听器
if (mOnTextViewChangeListener != null) { if (mOnTextViewChangeListener != null) {
if (!focused && TextUtils.isEmpty(getText())) { if (!focused && TextUtils.isEmpty(getText())) {
mOnTextViewChangeListener.onTextChange(mIndex, false); mOnTextViewChangeListener.onTextChange(mIndex, false);
@ -182,8 +181,6 @@ public class NoteEditText extends EditText {
@Override @Override
protected void onCreateContextMenu(ContextMenu menu) { protected void onCreateContextMenu(ContextMenu menu) {
// 创建上下文菜单
// 在文本上下文菜单中添加选项
if (getText() instanceof Spanned) { if (getText() instanceof Spanned) {
int selStart = getSelectionStart(); int selStart = getSelectionStart();
int selEnd = getSelectionEnd(); int selEnd = getSelectionEnd();

@ -14,19 +14,19 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.ui; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
import android.database.Cursor; import android.database.Cursor;
import android.text.TextUtils; import android.text.TextUtils;
import net.micode.notes.data.Contact; import net.micode.notes.data.Contact;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.DataUtils;
public class NoteItemData { public class NoteItemData {
static final String [] PROJECTION = new String [] { static final String [] PROJECTION = new String [] {
NoteColumns.ID, NoteColumns.ID,
NoteColumns.ALERTED_DATE, NoteColumns.ALERTED_DATE,
@ -75,7 +75,7 @@
private boolean mIsOnlyOneItem; private boolean mIsOnlyOneItem;
private boolean mIsOneNoteFollowingFolder; private boolean mIsOneNoteFollowingFolder;
private boolean mIsMultiNotesFollowingFolder; private boolean mIsMultiNotesFollowingFolder;
// 构造函数,用于初始化笔记项数据
public NoteItemData(Context context, Cursor cursor) { public NoteItemData(Context context, Cursor cursor) {
mId = cursor.getLong(ID_COLUMN); mId = cursor.getLong(ID_COLUMN);
mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN);
@ -108,18 +108,15 @@
} }
checkPostion(cursor); checkPostion(cursor);
} }
// 检查笔记项在Cursor中的位置设置一些标志
private void checkPostion(Cursor cursor) { private void checkPostion(Cursor cursor) {
// 检查是否是最后一项
mIsLastItem = cursor.isLast() ? true : false; mIsLastItem = cursor.isLast() ? true : false;
// 检查是否是第一项
mIsFirstItem = cursor.isFirst() ? true : false; mIsFirstItem = cursor.isFirst() ? true : false;
mIsOnlyOneItem = (cursor.getCount() == 1); mIsOnlyOneItem = (cursor.getCount() == 1);
mIsMultiNotesFollowingFolder = false; mIsMultiNotesFollowingFolder = false;
mIsOneNoteFollowingFolder = false; mIsOneNoteFollowingFolder = false;
if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { if (mType == Notes.TYPE_NOTE && !mIsFirstItem) {
// 检查笔记项是否在文件夹后有多个笔记
int position = cursor.getPosition(); int position = cursor.getPosition();
if (cursor.moveToPrevious()) { if (cursor.moveToPrevious()) {
if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER
@ -136,15 +133,15 @@
} }
} }
} }
// 检查笔记项是否在文件夹后有一个笔记
public boolean isOneFollowingFolder() { public boolean isOneFollowingFolder() {
return mIsOneNoteFollowingFolder; return mIsOneNoteFollowingFolder;
} }
// 检查笔记项是否在文件夹后有多个笔记
public boolean isMultiFollowingFolder() { public boolean isMultiFollowingFolder() {
return mIsMultiNotesFollowingFolder; return mIsMultiNotesFollowingFolder;
} }
// 检查笔记项是否是最后一项
public boolean isLast() { public boolean isLast() {
return mIsLastItem; return mIsLastItem;
} }
@ -152,7 +149,7 @@
public String getCallName() { public String getCallName() {
return mName; return mName;
} }
// 检查笔记项是否是第一项
public boolean isFirst() { public boolean isFirst() {
return mIsFirstItem; return mIsFirstItem;
} }
@ -224,5 +221,4 @@
public static int getNoteType(Cursor cursor) { public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN); return cursor.getInt(TYPE_COLUMN);
} }
} }

@ -1,3 +1,19 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui; package net.micode.notes.ui;
import android.app.Activity; import android.app.Activity;
@ -61,13 +77,8 @@ import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.HashSet; import java.util.HashSet;
//主界面,一进入就是这个界面
/** public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
* @author k
*
*/
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { //没有用特定的标签加注释。。。感觉没有什么用
// 定义一些常量和枚举类型
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
private static final int FOLDER_LIST_QUERY_TOKEN = 1; private static final int FOLDER_LIST_QUERY_TOKEN = 1;
@ -78,41 +89,41 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private static final int MENU_FOLDER_CHANGE_NAME = 2; private static final int MENU_FOLDER_CHANGE_NAME = 2;
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; //单行超过80个字符 private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
private enum ListEditState { private enum ListEditState {
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
}; };
private ListEditState mState; // 当前列表的编辑状态 private ListEditState mState;
private BackgroundQueryHandler mBackgroundQueryHandler; // 异步查询处理器 private BackgroundQueryHandler mBackgroundQueryHandler;
private NotesListAdapter mNotesListAdapter; // 笔记列表的适配器 private NotesListAdapter mNotesListAdapter;
private ListView mNotesListView; // 笔记列表视图 private ListView mNotesListView;
private Button mAddNewNote; // 添加新笔记的按钮 private Button mAddNewNote;
private boolean mDispatch; // 是否分发事件 private boolean mDispatch;
private int mOriginY; // 原始Y坐标 private int mOriginY;
private int mDispatchY; // 分发Y坐标 private int mDispatchY;
private TextView mTitleBar; // 标题栏 private TextView mTitleBar;
private long mCurrentFolderId; // 当前文件夹的ID private long mCurrentFolderId;
private ContentResolver mContentResolver; // 内容解析器 private ContentResolver mContentResolver;
private ModeCallback mModeCallBack; // 模式回调 private ModeCallback mModeCallBack;
private static final String TAG = "NotesListActivity"; private static final String TAG = "NotesListActivity";
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30; public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
private NoteItemData mFocusNoteDataItem; // 当前焦点笔记的数据项 private NoteItemData mFocusNoteDataItem;
private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
@ -125,49 +136,38 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
private final static int REQUEST_CODE_NEW_NODE = 103; private final static int REQUEST_CODE_NEW_NODE = 103;
@Override @Override
// 创建类 protected void onCreate(Bundle savedInstanceState) {
protected void onCreate(final Bundle savedInstanceState) { //需要是final类型 根据程序上下文环境Java关键字final有“这是无法改变的”或者“终态的”含义它可以修饰非抽象类、非抽象类成员方法和变量。你可能出于两种理解而需要阻止改变设计或效率。 super.onCreate(savedInstanceState);
// final类不能被继承没有子类final类中的方法默认是final的。
//final方法不能被子类的方法覆盖但可以被继承。
//final成员变量表示常量只能被赋值一次赋值后值不再改变。
//final不能用于修饰构造方法。
super.onCreate(savedInstanceState); // 调用父类的onCreate函数
setContentView(R.layout.note_list); setContentView(R.layout.note_list);
initResources(); initResources();
/** /**
* Insert an introduction when user firstly use this application * Insert an introduction when user firstly use this application
*/ */
setAppInfoFromRawRes();// 初始化应用信息 setAppInfoFromRawRes();
} }
@Override @Override
// 返回一些子模块完成的数据交给主Activity处理
protected void onActivityResult(int requestCode, int resultCode, Intent data) { protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// 结果值 和 要求值 符合要求
if (resultCode == RESULT_OK if (resultCode == RESULT_OK
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
mNotesListAdapter.changeCursor(null); mNotesListAdapter.changeCursor(null);
} else { } else {
super.onActivityResult(requestCode, resultCode, data); super.onActivityResult(requestCode, resultCode, data);
// 调用 Activity 的onActivityResult
} }
} }
private void setAppInfoFromRawRes() { private void setAppInfoFromRawRes() {
// Android平台给我们提供了一个SharedPreferences类它是一个轻量级的存储类特别适合用于保存软件配置参数。
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {// 判断是否已添加介绍 if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
InputStream in = null; InputStream in = null;
try { try {
// 把资源文件放到应用程序的/raw/raw下那么就可以在应用中使用getResources获取资源后,
// 以openRawResource方法不带后缀的资源文件名打开这个文件。
in = getResources().openRawResource(R.raw.introduction); in = getResources().openRawResource(R.raw.introduction);
if (in != null) {// 读取原始资源文件中的介绍内容 if (in != null) {
InputStreamReader isr = new InputStreamReader(in); InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr);
char [] buf = new char[1024]; // 自行定义的数值,使用者不知道有什么意义 char [] buf = new char[1024];
int len = 0; int len = 0;
while ((len = br.read(buf)) > 0) { while ((len = br.read(buf)) > 0) {
sb.append(buf, 0, len); sb.append(buf, 0, len);
@ -180,7 +180,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
e.printStackTrace(); e.printStackTrace();
return; return;
} finally { } finally {
if (in != null) { if(in != null) {
try { try {
in.close(); in.close();
} catch (IOException e) { } catch (IOException e) {
@ -190,13 +190,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
// 创建空的WorkingNote
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
ResourceParser.RED); // 创建一个新的工作笔记 ResourceParser.RED);
note.setWorkingText(sb.toString()); // 设置工作笔记的内容为读取到的介绍内容 note.setWorkingText(sb.toString());
if (note.saveNote()) { // 保存工作笔记 if (note.saveNote()) {
// 更新保存note的信息
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
} else { } else {
Log.e(TAG, "Save introduction note error"); Log.e(TAG, "Save introduction note error");
@ -211,23 +209,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
startAsyncNotesListQuery(); startAsyncNotesListQuery();
} }
// 初始化资源
private void initResources() { private void initResources() {
mContentResolver = this.getContentResolver(); // 获取应用程序的数据,得到类似数据表的东西 mContentResolver = this.getContentResolver();
// 初始化BackgroundQueryHandler
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mNotesListView = (ListView) findViewById(R.id.notes_list);
// findViewById 是安卓编程的定位函数,主要是引用.R文件里的引用名
mNotesListView = (ListView) findViewById(R.id.notes_list); // 绑定XML中的ListView作为Item的容器
// 将尾部视图添加到列表视图
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
null, false); null, false);
mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemClickListener(new OnListItemClickListener());
mNotesListView.setOnItemLongClickListener(this); mNotesListView.setOnItemLongClickListener(this);
mNotesListAdapter = new NotesListAdapter(this); mNotesListAdapter = new NotesListAdapter(this);
mNotesListView.setAdapter(mNotesListAdapter); mNotesListView.setAdapter(mNotesListAdapter);
mAddNewNote = (Button) findViewById(R.id.btn_new_note);// 在activity中要获取该按钮 mAddNewNote = (Button) findViewById(R.id.btn_new_note);
mAddNewNote.setOnClickListener(this); mAddNewNote.setOnClickListener(this);
mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
mDispatch = false; mDispatch = false;
@ -238,12 +231,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mModeCallBack = new ModeCallback(); mModeCallBack = new ModeCallback();
} }
// 继承自ListView.MultiChoiceModeListener 和 OnMenuItemClickListener
private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
private DropdownMenu mDropDownMenu; private DropdownMenu mDropDownMenu;
private ActionMode mActionMode; private ActionMode mActionMode;
private MenuItem mMoveMenu; private MenuItem mMoveMenu;
// 创建ActionMode时触发
public boolean onCreateActionMode(ActionMode mode, Menu menu) { public boolean onCreateActionMode(ActionMode mode, Menu menu) {
getMenuInflater().inflate(R.menu.note_list_options, menu); getMenuInflater().inflate(R.menu.note_list_options, menu);
menu.findItem(R.id.delete).setOnMenuItemClickListener(this); menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
@ -259,7 +251,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
mNotesListAdapter.setChoiceMode(true); mNotesListAdapter.setChoiceMode(true);
mNotesListView.setLongClickable(false); mNotesListView.setLongClickable(false);
mAddNewNote.setVisibility(View.GONE); mAddNewNote.setVisibility(View.GONE);
// 初始化下拉菜单
View customView = LayoutInflater.from(NotesListActivity.this).inflate( View customView = LayoutInflater.from(NotesListActivity.this).inflate(
R.layout.note_list_dropdown_menu, null); R.layout.note_list_dropdown_menu, null);
mode.setCustomView(customView); mode.setCustomView(customView);
@ -267,9 +259,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
(Button) customView.findViewById(R.id.selection_menu), (Button) customView.findViewById(R.id.selection_menu),
R.menu.note_list_dropdown); R.menu.note_list_dropdown);
mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
public boolean onMenuItemClick(final MenuItem item) { public boolean onMenuItemClick(MenuItem item) {
mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
updateMenu();// 更新菜单 updateMenu();
return true; return true;
} }
@ -277,12 +269,11 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
// 更新菜单
private void updateMenu() { private void updateMenu() {
int selectedCount = mNotesListAdapter.getSelectedCount(); int selectedCount = mNotesListAdapter.getSelectedCount();
// Update dropdown menu // Update dropdown menu
String format = getResources().getString(R.string.menu_select_title, selectedCount); String format = getResources().getString(R.string.menu_select_title, selectedCount);
mDropDownMenu.setTitle(format); // 更改标题 mDropDownMenu.setTitle(format);
MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);
if (item != null) { if (item != null) {
if (mNotesListAdapter.isAllSelected()) { if (mNotesListAdapter.isAllSelected()) {
@ -304,7 +295,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
// TODO Auto-generated method stub // TODO Auto-generated method stub
return false; return false;
} }
// 销毁ActionMode时触发
public void onDestroyActionMode(ActionMode mode) { public void onDestroyActionMode(ActionMode mode) {
mNotesListAdapter.setChoiceMode(false); mNotesListAdapter.setChoiceMode(false);
mNotesListView.setLongClickable(true); mNotesListView.setLongClickable(true);
@ -314,13 +305,13 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
public void finishActionMode() { public void finishActionMode() {
mActionMode.finish(); mActionMode.finish();
} }
// 当选择的项发生变化时触发
public void onItemCheckedStateChanged(ActionMode mode, int position, long id, public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) { boolean checked) {
mNotesListAdapter.setCheckedItem(position, checked); mNotesListAdapter.setCheckedItem(position, checked);
updateMenu(); updateMenu();
} }
// 菜单项点击事件处理
public boolean onMenuItemClick(MenuItem item) { public boolean onMenuItemClick(MenuItem item) {
if (mNotesListAdapter.getSelectedCount() == 0) { if (mNotesListAdapter.getSelectedCount() == 0) {
Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
@ -330,7 +321,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
switch (item.getItemId()) { switch (item.getItemId()) {
case R.id.delete: case R.id.delete:
// 弹出删除对话框
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
@ -347,7 +337,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.show(); builder.show();
break; break;
case R.id.move: case R.id.move:
startQueryDestinationFolders();// 查询目标文件夹 startQueryDestinationFolders();
break; break;
default: default:
return false; return false;
@ -376,7 +366,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
/** /**
* HACKME:When click the transparent part of "New Note" button, dispatch * HACKME:When click the transparent part of "New Note" button, dispatch
* the event to the list view behind this button. The transparent part of * the event to the list view behind this button. The transparent part of
* "New Note" button could be expressed by formula y=-0.12x+94nit:pixel<EFBFBD> * "New Note" button could be expressed by formula y=-0.12x+94Unit:pixel
* and the line top of the button. The coordinate based on left of the "New * and the line top of the button. The coordinate based on left of the "New
* Note" button. The 94 represents maximum height of the transparent part. * Note" button. The 94 represents maximum height of the transparent part.
* Notice that, if the background of the button changes, the formula should * Notice that, if the background of the button changes, the formula should
@ -419,16 +409,14 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}; };
private void startAsyncNotesListQuery() { private void startAsyncNotesListQuery() {
// 构建查询语句的selection根据当前文件夹id选择不同的查询条件
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
: NORMAL_SELECTION; : NORMAL_SELECTION;
// 调用异步查询处理器进行数据库查询
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
String.valueOf(mCurrentFolderId) String.valueOf(mCurrentFolderId)
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
} }
// 异步查询处理器类
private final class BackgroundQueryHandler extends AsyncQueryHandler { private final class BackgroundQueryHandler extends AsyncQueryHandler {
public BackgroundQueryHandler(ContentResolver contentResolver) { public BackgroundQueryHandler(ContentResolver contentResolver) {
super(contentResolver); super(contentResolver);
@ -438,12 +426,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
protected void onQueryComplete(int token, Object cookie, Cursor cursor) { protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
switch (token) { switch (token) {
case FOLDER_NOTE_LIST_QUERY_TOKEN: case FOLDER_NOTE_LIST_QUERY_TOKEN:
// 查询完成后更新列表适配器的Cursor数据源
mNotesListAdapter.changeCursor(cursor); mNotesListAdapter.changeCursor(cursor);
break; break;
case FOLDER_LIST_QUERY_TOKEN: case FOLDER_LIST_QUERY_TOKEN:
if (cursor != null && cursor.getCount() > 0) { if (cursor != null && cursor.getCount() > 0) {
// 如果查询到了文件夹列表,则显示文件夹选择菜单
showFolderListMenu(cursor); showFolderListMenu(cursor);
} else { } else {
Log.e(TAG, "Query folder failed"); Log.e(TAG, "Query folder failed");
@ -454,7 +440,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
} }
// 显示文件夹选择菜单
private void showFolderListMenu(Cursor cursor) { private void showFolderListMenu(Cursor cursor) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(R.string.menu_title_select_folder); builder.setTitle(R.string.menu_title_select_folder);
@ -462,7 +448,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
builder.setAdapter(adapter, new DialogInterface.OnClickListener() { builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
// 点击菜单项后进行相应操作,这里是批量移动笔记到选中的文件夹
DataUtils.batchMoveToFolder(mContentResolver, DataUtils.batchMoveToFolder(mContentResolver,
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
Toast.makeText( Toast.makeText(
@ -476,21 +461,19 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
builder.show(); builder.show();
} }
// 创建新的笔记
private void createNewNote() { private void createNewNote() {
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT); intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
} }
// 批量删除操作
private void batchDelete() { private void batchDelete() {
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() { new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) { protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
// 获取选中笔记对应的小部件信息
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget(); HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
if (!isSyncMode()) { if (!isSyncMode()) {
// 如果不是同步模式,则直接删除选中的笔记
// if not synced, delete notes directly // if not synced, delete notes directly
if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
.getSelectedItemIds())) { .getSelectedItemIds())) {
@ -549,7 +532,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
} }
// 打开笔记详情界面
private void openNode(NoteItemData data) { private void openNode(NoteItemData data) {
Intent intent = new Intent(this, NoteEditActivity.class); Intent intent = new Intent(this, NoteEditActivity.class);
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
@ -558,7 +541,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
private void openFolder(NoteItemData data) { private void openFolder(NoteItemData data) {
// 更新当前文件夹id并进行异步查询笔记列表
mCurrentFolderId = data.getId(); mCurrentFolderId = data.getId();
startAsyncNotesListQuery(); startAsyncNotesListQuery();
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
@ -578,88 +560,85 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
public void onClick(View v) { public void onClick(View v) {
switch (v.getId()) { switch (v.getId()) {
case R.id.btn_new_note: case R.id.btn_new_note:
// 点击新建笔记按钮,触发创建新的笔记操作
createNewNote(); createNewNote();
break; break;
default: default:
break; break;
} }
} }
// 显示输入法软键盘
private void showSoftInput() { private void showSoftInput() {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (inputMethodManager != null) { if (inputMethodManager != null) {
inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
} }
} }
// 隐藏输入法软键盘
private void hideSoftInput(View view) { private void hideSoftInput(View view) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
} }
//显示创建或修改文件夹的对话框
private void showCreateOrModifyFolderDialog(final boolean create) { private void showCreateOrModifyFolderDialog(final boolean create) {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);// 创建对话框构建器 final AlertDialog.Builder builder = new AlertDialog.Builder(this);
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);//加载布局文件 View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);// 获取输入框 final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
showSoftInput();// 显示软键盘 showSoftInput();
if (!create) { // 如果是修改文件夹 if (!create) {
if (mFocusNoteDataItem != null) { // 如果有选中的文件夹 if (mFocusNoteDataItem != null) {
etName.setText(mFocusNoteDataItem.getSnippet()); // 设置输入框文字为文件夹名称 etName.setText(mFocusNoteDataItem.getSnippet());
builder.setTitle(getString(R.string.menu_folder_change_name)); // 设置对话框标题为"更改文件夹名称" builder.setTitle(getString(R.string.menu_folder_change_name));
} else { } else {
Log.e(TAG, "The long click data item is null"); // 输出错误日志 Log.e(TAG, "The long click data item is null");
return; return;
} }
} else { // 如果是创建文件夹 } else {
etName.setText(""); // 清空输入框 etName.setText("");
builder.setTitle(this.getString(R.string.menu_create_folder)); // 设置对话框标题为"创建文件夹" builder.setTitle(this.getString(R.string.menu_create_folder));
} }
builder.setPositiveButton(android.R.string.ok, null); // 设置确定按钮,暂不处理点击事件 builder.setPositiveButton(android.R.string.ok, null);
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
hideSoftInput(etName); // 隐藏软键盘 hideSoftInput(etName);
} }
}); // 设置取消按钮,点击时隐藏软键盘 });
final Dialog dialog = builder.setView(view).show(); // 创建对话框并显示 final Dialog dialog = builder.setView(view).show();
final Button positive = (Button)dialog.findViewById(android.R.id.button1); // 获取确定按钮 final Button positive = (Button)dialog.findViewById(android.R.id.button1);
positive.setOnClickListener(new OnClickListener() { positive.setOnClickListener(new OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
hideSoftInput(etName); // 隐藏软键盘 hideSoftInput(etName);
String name = etName.getText().toString(); // 获取输入的文件夹名称 String name = etName.getText().toString();
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) { // 检查文件夹名称是否可见
Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name), Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
Toast.LENGTH_LONG).show(); // 显示提示信息,文件夹已存在 Toast.LENGTH_LONG).show();
etName.setSelection(0, etName.length()); // 选中输入框中的文字 etName.setSelection(0, etName.length());
return; return;
} }
if (!create) {
if (!create) { // 如果是修改文件夹 if (!TextUtils.isEmpty(name)) {
if (!TextUtils.isEmpty(name)) { // 如果文件夹名称不为空
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name); // 更新文件夹名称 values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); // 设置类型为文件夹 values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
values.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记本地修改 values.put(NoteColumns.LOCAL_MODIFIED, 1);
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
+ "=?", new String[] { + "=?", new String[] {
String.valueOf(mFocusNoteDataItem.getId()) String.valueOf(mFocusNoteDataItem.getId())
}); // 更新数据库中的文件夹信息 });
} }
} else if (!TextUtils.isEmpty(name)) { // 如果是创建文件夹且文件夹名称不为空 } else if (!TextUtils.isEmpty(name)) {
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
values.put(NoteColumns.SNIPPET, name); // 设置文件夹名称 values.put(NoteColumns.SNIPPET, name);
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); // 设置类型为文件夹 values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
mContentResolver.insert(Notes.CONTENT_NOTE_URI, values); // 插入数据库中 mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
} }
dialog.dismiss();
dialog.dismiss(); // 关闭对话框
} }
}); });
if (TextUtils.isEmpty(etName.getText())) { // 如果输入框内容为空
positive.setEnabled(false); // 禁用确定按钮 if (TextUtils.isEmpty(etName.getText())) {
positive.setEnabled(false);
} }
/** /**
* When the name edit text is null, disable the positive button * When the name edit text is null, disable the positive button
@ -685,12 +664,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}); });
} }
/* (non-Javadoc)
* @see android.app.Activity#onBackPressed()
*
*/
@Override @Override
public void onBackPressed() { switch (mState) { public void onBackPressed() {
switch (mState) {
case SUB_FOLDER: case SUB_FOLDER:
mCurrentFolderId = Notes.ID_ROOT_FOLDER; mCurrentFolderId = Notes.ID_ROOT_FOLDER;
mState = ListEditState.NOTE_LIST; mState = ListEditState.NOTE_LIST;
@ -712,11 +688,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
} }
/**
* @param appWidgetId
* @param appWidgetType
* widgetintent
*/
private void updateWidget(int appWidgetId, int appWidgetType) { private void updateWidget(int appWidgetId, int appWidgetType) {
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
if (appWidgetType == Notes.TYPE_WIDGET_2X) { if (appWidgetType == Notes.TYPE_WIDGET_2X) {
@ -736,9 +707,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
setResult(RESULT_OK, intent); setResult(RESULT_OK, intent);
} }
/**
*
*/
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
if (mFocusNoteDataItem != null) { if (mFocusNoteDataItem != null) {
@ -758,10 +726,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
super.onContextMenuClosed(menu); super.onContextMenuClosed(menu);
} }
/* (non-Javadoc)
* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)
* menu
*/
@Override @Override
public boolean onContextItemSelected(MenuItem item) { public boolean onContextItemSelected(MenuItem item) {
if (mFocusNoteDataItem == null) { if (mFocusNoteDataItem == null) {
@ -770,10 +734,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
switch (item.getItemId()) { switch (item.getItemId()) {
case MENU_FOLDER_VIEW: case MENU_FOLDER_VIEW:
openFolder(mFocusNoteDataItem);//打开对应文件 openFolder(mFocusNoteDataItem);
break; break;
case MENU_FOLDER_DELETE: case MENU_FOLDER_DELETE:
AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置确认是否删除的对话框 AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.alert_title_delete)); builder.setTitle(getString(R.string.alert_title_delete));
builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(getString(R.string.alert_message_delete_folder)); builder.setMessage(getString(R.string.alert_message_delete_folder));
@ -784,7 +748,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
}); });
builder.setNegativeButton(android.R.string.cancel, null); builder.setNegativeButton(android.R.string.cancel, null);
builder.show();//显示对话框 builder.show();
break; break;
case MENU_FOLDER_CHANGE_NAME: case MENU_FOLDER_CHANGE_NAME:
showCreateOrModifyFolderDialog(false); showCreateOrModifyFolderDialog(false);
@ -799,55 +763,54 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
@Override @Override
public boolean onPrepareOptionsMenu(Menu menu) { public boolean onPrepareOptionsMenu(Menu menu) {
menu.clear(); menu.clear();
if (mState == ListEditState.NOTE_LIST) { // 如果当前状态是便签列表 if (mState == ListEditState.NOTE_LIST) {
getMenuInflater().inflate(R.menu.note_list, menu); // 加载便签列表的菜单布局 getMenuInflater().inflate(R.menu.note_list, menu);
// 设置同步或取消同步选项的标题 // set sync or sync_cancel
menu.findItem(R.id.menu_sync).setTitle( menu.findItem(R.id.menu_sync).setTitle(
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync); GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
} else if (mState == ListEditState.SUB_FOLDER) { // 如果当前状态是子文件夹 } else if (mState == ListEditState.SUB_FOLDER) {
getMenuInflater().inflate(R.menu.sub_folder, menu); // 加载子文件夹的菜单布局 getMenuInflater().inflate(R.menu.sub_folder, menu);
} else if (mState == ListEditState.CALL_RECORD_FOLDER) { // 如果当前状态是通话记录文件夹 } else if (mState == ListEditState.CALL_RECORD_FOLDER) {
getMenuInflater().inflate(R.menu.call_record_folder, menu); // 加载通话记录文件夹的菜单布局 getMenuInflater().inflate(R.menu.call_record_folder, menu);
} else { } else {
Log.e(TAG, "Wrong state:" + mState); // 如果状态不匹配,则输出错误日志 Log.e(TAG, "Wrong state:" + mState);
} }
return true; return true;
} }
@Override @Override
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { switch (item.getItemId()) {
case R.id.menu_new_folder: { // 如果选择了新建文件夹选项 case R.id.menu_new_folder: {
showCreateOrModifyFolderDialog(true); // 显示创建或修改文件夹对话框 showCreateOrModifyFolderDialog(true);
break; break;
} }
case R.id.menu_export_text: { // 如果选择了导出文本选项 case R.id.menu_export_text: {
exportNoteToText(); // 导出便签到文本 exportNoteToText();
break; break;
} }
case R.id.menu_sync: { // 如果选择了同步选项 case R.id.menu_sync: {
if (isSyncMode()) { // 如果处于同步模式 if (isSyncMode()) {
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) { if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
GTaskSyncService.startSync(this); // 启动同步服务 GTaskSyncService.startSync(this);
} else { } else {
GTaskSyncService.cancelSync(this); // 取消同步服务 GTaskSyncService.cancelSync(this);
} }
} else { } else {
startPreferenceActivity(); // 跳转到设置界面 startPreferenceActivity();
} }
break; break;
} }
case R.id.menu_setting: { // 如果选择了设置选项 case R.id.menu_setting: {
startPreferenceActivity(); // 跳转到设置界面 startPreferenceActivity();
break; break;
} }
case R.id.menu_new_note: { // 如果选择了新建便签选项 case R.id.menu_new_note: {
createNewNote(); // 创建新的便签 createNewNote();
break; break;
} }
case R.id.menu_search: case R.id.menu_search:
onSearchRequested(); // 执行搜索操作 onSearchRequested();
break; break;
default: default:
break; break;
@ -855,53 +818,46 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
return true; return true;
} }
/* (non-Javadoc)
* @see android.app.Activity#onSearchRequested()
* startSearch
*/
@Override @Override
public boolean onSearchRequested() { public boolean onSearchRequested() {
startSearch(null, false, null /* appData */, false); startSearch(null, false, null /* appData */, false);
return true; return true;
} }
/**
* 便
*/
private void exportNoteToText() { private void exportNoteToText() {
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
new AsyncTask<Void, Void, Integer>() { new AsyncTask<Void, Void, Integer>() {
@Override @Override
protected Integer doInBackground(Void... unused) { protected Integer doInBackground(Void... unused) {
return backup.exportToText(); // 调用备份工具类的导出便签到文本方法 return backup.exportToText();
} }
@Override @Override
protected void onPostExecute(Integer result) { protected void onPostExecute(Integer result) {
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) { // 如果SD卡未挂载 if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this builder.setTitle(NotesListActivity.this
.getString(R.string.failed_sdcard_export)); // 设置对话框标题为导出失败 .getString(R.string.failed_sdcard_export));
builder.setMessage(NotesListActivity.this builder.setMessage(NotesListActivity.this
.getString(R.string.error_sdcard_unmounted)); // 设置对话框内容为SD卡未挂载 .getString(R.string.error_sdcard_unmounted));
builder.setPositiveButton(android.R.string.ok, null); builder.setPositiveButton(android.R.string.ok, null);
builder.show(); builder.show();
} else if (result == BackupUtils.STATE_SUCCESS) { // 如果导出成功 } else if (result == BackupUtils.STATE_SUCCESS) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this builder.setTitle(NotesListActivity.this
.getString(R.string.success_sdcard_export)); // 设置对话框标题为导出成功 .getString(R.string.success_sdcard_export));
builder.setMessage(NotesListActivity.this.getString( builder.setMessage(NotesListActivity.this.getString(
R.string.format_exported_file_location, backup R.string.format_exported_file_location, backup
.getExportedTextFileName(), backup.getExportedTextFileDir())); // 设置对话框内容为导出文件的位置 .getExportedTextFileName(), backup.getExportedTextFileDir()));
builder.setPositiveButton(android.R.string.ok, null); builder.setPositiveButton(android.R.string.ok, null);
builder.show(); builder.show();
} else if (result == BackupUtils.STATE_SYSTEM_ERROR) { // 如果系统错误 } else if (result == BackupUtils.STATE_SYSTEM_ERROR) {
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
builder.setTitle(NotesListActivity.this builder.setTitle(NotesListActivity.this
.getString(R.string.failed_sdcard_export)); // 设置对话框标题为导出失败 .getString(R.string.failed_sdcard_export));
builder.setMessage(NotesListActivity.this builder.setMessage(NotesListActivity.this
.getString(R.string.error_sdcard_export)); // 设置对话框内容为导出错误 .getString(R.string.error_sdcard_export));
builder.setPositiveButton(android.R.string.ok, null); builder.setPositiveButton(android.R.string.ok, null);
builder.show(); builder.show();
} }
@ -910,37 +866,26 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
}.execute(); }.execute();
} }
/**
* @return
*
*/
private boolean isSyncMode() { private boolean isSyncMode() {
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
} }
/**
* PreferenceActivity
*/
private void startPreferenceActivity() { private void startPreferenceActivity() {
Activity from = getParent() != null ? getParent() : this; Activity from = getParent() != null ? getParent() : this;
Intent intent = new Intent(from, NotesPreferenceActivity.class); Intent intent = new Intent(from, NotesPreferenceActivity.class);
from.startActivityIfNeeded(intent, -1); from.startActivityIfNeeded(intent, -1);
} }
/**
* @author k
* 便
*/
private class OnListItemClickListener implements OnItemClickListener { private class OnListItemClickListener implements OnItemClickListener {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
NoteItemData item = ((NotesListItem) view).getItemData(); // 获取点击项的数据 NoteItemData item = ((NotesListItem) view).getItemData();
if (mNotesListAdapter.isInChoiceMode()) { // 如果处于选择模式 if (mNotesListAdapter.isInChoiceMode()) {
if (item.getType() == Notes.TYPE_NOTE) { if (item.getType() == Notes.TYPE_NOTE) {
position = position - mNotesListView.getHeaderViewsCount(); position = position - mNotesListView.getHeaderViewsCount();
mModeCallBack.onItemCheckedStateChanged(null, position, id, mModeCallBack.onItemCheckedStateChanged(null, position, id,
!mNotesListAdapter.isSelectedItem(position)); // 更新选择状态 !mNotesListAdapter.isSelectedItem(position));
} }
return; return;
} }
@ -949,9 +894,9 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
case NOTE_LIST: case NOTE_LIST:
if (item.getType() == Notes.TYPE_FOLDER if (item.getType() == Notes.TYPE_FOLDER
|| item.getType() == Notes.TYPE_SYSTEM) { || item.getType() == Notes.TYPE_SYSTEM) {
openFolder(item); // 打开文件夹 openFolder(item);
} else if (item.getType() == Notes.TYPE_NOTE) { } else if (item.getType() == Notes.TYPE_NOTE) {
openNode(item); // 打开便签 openNode(item);
} else { } else {
Log.e(TAG, "Wrong note type in NOTE_LIST"); Log.e(TAG, "Wrong note type in NOTE_LIST");
} }
@ -959,7 +904,7 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
case SUB_FOLDER: case SUB_FOLDER:
case CALL_RECORD_FOLDER: case CALL_RECORD_FOLDER:
if (item.getType() == Notes.TYPE_NOTE) { if (item.getType() == Notes.TYPE_NOTE) {
openNode(item); // 打开便签 openNode(item);
} else { } else {
Log.e(TAG, "Wrong note type in SUB_FOLDER"); Log.e(TAG, "Wrong note type in SUB_FOLDER");
} }
@ -972,9 +917,6 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
} }
/**
*
*/
private void startQueryDestinationFolders() { private void startQueryDestinationFolders() {
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
selection = (mState == ListEditState.NOTE_LIST) ? selection: selection = (mState == ListEditState.NOTE_LIST) ? selection:
@ -993,24 +935,18 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
NoteColumns.MODIFIED_DATE + " DESC"); NoteColumns.MODIFIED_DATE + " DESC");
} }
/* (non-Javadoc)
* @see android.widget.AdapterView.OnItemLongClickListener#onItemLongClick(android.widget.AdapterView, android.view.View, int, long)
*
* 便ActionModeContextMenu
* ActionMOdeContextMenu
*/
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
mFocusNoteDataItem = ((NotesListItem) view).getItemData();// 获取当前长按项的数据 mFocusNoteDataItem = ((NotesListItem) view).getItemData();
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) { if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
if (mNotesListView.startActionMode(mModeCallBack) != null) { if (mNotesListView.startActionMode(mModeCallBack) != null) {
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);// 更改选择状态 mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
} else { } else {
Log.e(TAG, "startActionMode fails"); Log.e(TAG, "startActionMode fails");
} }
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);// 设置创建上下文菜单监听器 mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
} }
} }
return false; return false;

@ -1,3 +1,19 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -7,7 +23,6 @@ import android.view.View;
import android.view.ViewGroup; import android.view.ViewGroup;
import android.widget.CursorAdapter; import android.widget.CursorAdapter;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import java.util.Collection; import java.util.Collection;
@ -16,94 +31,55 @@ import java.util.HashSet;
import java.util.Iterator; import java.util.Iterator;
/*
* 便CursorAdaptercursorListView
* NotesListAdapter便
*/
public class NotesListAdapter extends CursorAdapter { public class NotesListAdapter extends CursorAdapter {
private static final String TAG = "NotesListAdapter"; private static final String TAG = "NotesListAdapter";
private Context mContext; private Context mContext;
private HashMap<Integer, Boolean> mSelectedIndex; private HashMap<Integer, Boolean> mSelectedIndex;
private int mNotesCount; //便签数 private int mNotesCount;
private boolean mChoiceMode; //选择模式标记 private boolean mChoiceMode;
/*
* widget
*/
public static class AppWidgetAttribute { public static class AppWidgetAttribute {
public int widgetId; public int widgetId;
public int widgetType; public int widgetType;
}; };
/*
* 便
*
*/
public NotesListAdapter(Context context) { public NotesListAdapter(Context context) {
super(context, null); //父类对象置空 super(context, null);
mSelectedIndex = new HashMap<Integer, Boolean>(); //新建选项下标的hash表 mSelectedIndex = new HashMap<Integer, Boolean>();
mContext = context; mContext = context;
mNotesCount = 0; mNotesCount = 0;
} }
@Override @Override
/*
*
* 使NotesListItem
*/
public View newView(Context context, Cursor cursor, ViewGroup parent) { public View newView(Context context, Cursor cursor, ViewGroup parent) {
return new NotesListItem(context); return new NotesListItem(context);
} }
/*
*
*
*/
@Override @Override
public void bindView(View view, Context context, Cursor cursor) { public void bindView(View view, Context context, Cursor cursor) {
if (view instanceof NotesListItem) { if (view instanceof NotesListItem) {
//若view是NotesListItem的一个实例
NoteItemData itemData = new NoteItemData(context, cursor); NoteItemData itemData = new NoteItemData(context, cursor);
((NotesListItem) view).bind(context, itemData, mChoiceMode, ((NotesListItem) view).bind(context, itemData, mChoiceMode,
isSelectedItem(cursor.getPosition())); isSelectedItem(cursor.getPosition()));
//则新建一个项目选项并且用bind跟将view和鼠标内容便签数据捆绑在一起
} }
} }
/*
*
*
*/
public void setCheckedItem(final int position, final boolean checked) { public void setCheckedItem(final int position, final boolean checked) {
mSelectedIndex.put(position, checked); mSelectedIndex.put(position, checked);
//根据定位和是否勾选设置下标
notifyDataSetChanged(); notifyDataSetChanged();
//在修改后刷新activity
} }
/*
*
*/
public boolean isInChoiceMode() { public boolean isInChoiceMode() {
return mChoiceMode; return mChoiceMode;
} }
/*
*
* mode
*/
public void setChoiceMode(boolean mode) { public void setChoiceMode(boolean mode) {
mSelectedIndex.clear(); mSelectedIndex.clear();
mChoiceMode = mode; mChoiceMode = mode;
} }
/*
*
*
*/
public void selectAll(boolean checked) { public void selectAll(boolean checked) {
Cursor cursor = getCursor(); Cursor cursor = getCursor();
//获取光标位置
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
if (cursor.moveToPosition(i)) { if (cursor.moveToPosition(i)) {
if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) {
@ -111,47 +87,30 @@ public class NotesListAdapter extends CursorAdapter {
} }
} }
} }
//遍历所有光标可用的位置在判断为便签类型之后勾选单项框
} }
/*
*
*
*/
public HashSet<Long> getSelectedItemIds() { public HashSet<Long> getSelectedItemIds() {
HashSet<Long> itemSet = new HashSet<Long>(); HashSet<Long> itemSet = new HashSet<Long>();
//建立hash表
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
//遍历所有的关键
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
//若光标位置可用
Long id = getItemId(position); Long id = getItemId(position);
if (id == Notes.ID_ROOT_FOLDER) { if (id == Notes.ID_ROOT_FOLDER) {
//原文件不需要添加
Log.d(TAG, "Wrong item id, should not happen"); Log.d(TAG, "Wrong item id, should not happen");
} else { } else {
itemSet.add(id); itemSet.add(id);
} }
//则将id该下标假如选项集合中
} }
} }
return itemSet; return itemSet;
} }
/*
* Widget
*
*/
public HashSet<AppWidgetAttribute> getSelectedWidget() { public HashSet<AppWidgetAttribute> getSelectedWidget() {
HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>(); HashSet<AppWidgetAttribute> itemSet = new HashSet<AppWidgetAttribute>();
for (Integer position : mSelectedIndex.keySet()) { for (Integer position : mSelectedIndex.keySet()) {
if (mSelectedIndex.get(position) == true) { if (mSelectedIndex.get(position) == true) {
Cursor c = (Cursor) getItem(position); Cursor c = (Cursor) getItem(position);
//以上4句和getSelectedItemIds一样不再重复
if (c != null) { if (c != null) {
//光标位置可用的话就建立新的Widget属性并编辑下标和类型最后添加到选项集中
AppWidgetAttribute widget = new AppWidgetAttribute(); AppWidgetAttribute widget = new AppWidgetAttribute();
NoteItemData item = new NoteItemData(mContext, c); NoteItemData item = new NoteItemData(mContext, c);
widget.widgetId = item.getWidgetId(); widget.widgetId = item.getWidgetId();
@ -169,42 +128,26 @@ public class NotesListAdapter extends CursorAdapter {
return itemSet; return itemSet;
} }
/*
*
*
*/
public int getSelectedCount() { public int getSelectedCount() {
Collection<Boolean> values = mSelectedIndex.values(); Collection<Boolean> values = mSelectedIndex.values();
//首先获取选项下标的值
if (null == values) { if (null == values) {
return 0; return 0;
} }
Iterator<Boolean> iter = values.iterator(); Iterator<Boolean> iter = values.iterator();
//初始化叠加器
int count = 0; int count = 0;
while (iter.hasNext()) { while (iter.hasNext()) {
if (true == iter.next()) { if (true == iter.next()) {
//若value值为真计数+1
count++; count++;
} }
} }
return count; return count;
} }
/*
*
*
*/
public boolean isAllSelected() { public boolean isAllSelected() {
int checkedCount = getSelectedCount(); int checkedCount = getSelectedCount();
return (checkedCount != 0 && checkedCount == mNotesCount); return (checkedCount != 0 && checkedCount == mNotesCount);
//获取选项数看是否等于便签的个数
} }
/*
*
*
*/
public boolean isSelectedItem(final int position) { public boolean isSelectedItem(final int position) {
if (null == mSelectedIndex.get(position)) { if (null == mSelectedIndex.get(position)) {
return false; return false;
@ -213,45 +156,29 @@ public class NotesListAdapter extends CursorAdapter {
} }
@Override @Override
/*
* activity便
*
*/
protected void onContentChanged() { protected void onContentChanged() {
super.onContentChanged(); super.onContentChanged();
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
@Override @Override
/*
* activity便
*/
public void changeCursor(Cursor cursor) { public void changeCursor(Cursor cursor) {
super.changeCursor(cursor); super.changeCursor(cursor);
//执行基类函数
calcNotesCount(); calcNotesCount();
} }
/*
* 便
*
*/
private void calcNotesCount() { private void calcNotesCount() {
mNotesCount = 0; mNotesCount = 0;
for (int i = 0; i < getCount(); i++) { for (int i = 0; i < getCount(); i++) {
//获取总数同时遍历
Cursor c = (Cursor) getItem(i); Cursor c = (Cursor) getItem(i);
if (c != null) { if (c != null) {
if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) {
mNotesCount++; mNotesCount++;
//若该位置不为空并且文本类型为便签就+1
} }
} else { } else {
Log.e(TAG, "Invalid cursor"); Log.e(TAG, "Invalid cursor");
return; return;
} }
//否则报错
} }
} }
} }

@ -1,3 +1,19 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui; package net.micode.notes.ui;
import android.content.Context; import android.content.Context;
@ -14,43 +30,37 @@ import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.ResourceParser.NoteItemBgResources; import net.micode.notes.tool.ResourceParser.NoteItemBgResources;
//创建便签列表项目选项
public class NotesListItem extends LinearLayout { public class NotesListItem extends LinearLayout {
private ImageView mAlert;//闹钟图片 private ImageView mAlert;
private TextView mTitle; //标题 private TextView mTitle;
private TextView mTime; //时间 private TextView mTime;
private TextView mCallName; // private TextView mCallName;
private NoteItemData mItemData; //标签数据 private NoteItemData mItemData;
private CheckBox mCheckBox; //打钩框 private CheckBox mCheckBox;
/*初始化基本信息*/
public NotesListItem(Context context) { public NotesListItem(Context context) {
super(context); //super()它的主要作用是调整调用父类构造函数的顺序 super(context);
inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r。layout inflate(context, R.layout.note_item, this);
//findViewById用于从contentView中查找指定ID的View转换出来的形式根据需要而定;
mAlert = (ImageView) findViewById(R.id.iv_alert_icon); mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
mTitle = (TextView) findViewById(R.id.tv_title); mTitle = (TextView) findViewById(R.id.tv_title);
mTime = (TextView) findViewById(R.id.tv_time); mTime = (TextView) findViewById(R.id.tv_time);
mCallName = (TextView) findViewById(R.id.tv_name); mCallName = (TextView) findViewById(R.id.tv_name);
mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
} }
///根据data的属性对各个控件的属性的控制主要是可见性Visibility内容setText格式setTextAppearance
public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
if (choiceMode && data.getType() == Notes.TYPE_NOTE) { if (choiceMode && data.getType() == Notes.TYPE_NOTE) {
mCheckBox.setVisibility(View.VISIBLE); ///设置可见行为可见 mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setChecked(checked); ///格子打钩 mCheckBox.setChecked(checked);
} else { } else {
mCheckBox.setVisibility(View.GONE); mCheckBox.setVisibility(View.GONE);
} }
mItemData = data; mItemData = data;
///设置控件属性一共三种情况由data的id和父id是否与保存到文件夹的id一致来决定
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
//设置该textview的style
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
//settext为设置内容
mTitle.setText(context.getString(R.string.call_record_folder_name) mTitle.setText(context.getString(R.string.call_record_folder_name)
+ context.getString(R.string.format_folder_files_count, data.getNotesCount())); + context.getString(R.string.format_folder_files_count, data.getNotesCount()));
mAlert.setImageResource(R.drawable.call_record); mAlert.setImageResource(R.drawable.call_record);
@ -59,9 +69,8 @@ public class NotesListItem extends LinearLayout {
mCallName.setText(data.getCallName()); mCallName.setText(data.getCallName());
mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem);
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
///关于闹钟的设置
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);//图片来源的设置 mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
@ -69,7 +78,7 @@ public class NotesListItem extends LinearLayout {
} else { } else {
mCallName.setVisibility(View.GONE); mCallName.setVisibility(View.GONE);
mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem);
///设置title格式
if (data.getType() == Notes.TYPE_FOLDER) { if (data.getType() == Notes.TYPE_FOLDER) {
mTitle.setText(data.getSnippet() mTitle.setText(data.getSnippet()
+ context.getString(R.string.format_folder_files_count, + context.getString(R.string.format_folder_files_count,
@ -78,38 +87,35 @@ public class NotesListItem extends LinearLayout {
} else { } else {
mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet()));
if (data.hasAlert()) { if (data.hasAlert()) {
mAlert.setImageResource(R.drawable.clock);///设置图片来源 mAlert.setImageResource(R.drawable.clock);
mAlert.setVisibility(View.VISIBLE); mAlert.setVisibility(View.VISIBLE);
} else { } else {
mAlert.setVisibility(View.GONE); mAlert.setVisibility(View.GONE);
} }
} }
} }
///设置内容获取相关时间从data里编辑的日期中获取 mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
mTime. setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate()));
setBackground(data); setBackground(data);
} }
//根据data的文件属性来设置背景
private void setBackground(NoteItemData data) { private void setBackground(NoteItemData data) {
int id = data.getBgColorId(); int id = data.getBgColorId();
//若是note型文件则4种情况对于4种不同情况的背景来源
if (data.getType() == Notes.TYPE_NOTE) { if (data.getType() == Notes.TYPE_NOTE) {
//单个数据并且只有一个子文件夹
if (data.isSingle() || data.isOneFollowingFolder()) { if (data.isSingle() || data.isOneFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id));
} else if (data.isLast()) {//是最后一个数据 } else if (data.isLast()) {
setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id));
} else if (data.isFirst() || data.isMultiFollowingFolder()) {//是一个数据并有多个子文件夹 } else if (data.isFirst() || data.isMultiFollowingFolder()) {
setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id));
} else { } else {
setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id));
} }
} else { } else {
//若不是note直接调用文件夹的背景来源
setBackgroundResource(NoteItemBgResources.getFolderBgRes()); setBackgroundResource(NoteItemBgResources.getFolderBgRes());
} }
} }
public NoteItemData getItemData() { public NoteItemData getItemData() {
return mItemData; return mItemData;
} }

@ -1,3 +1,19 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.ui; package net.micode.notes.ui;
import android.accounts.Account; import android.accounts.Account;
@ -31,92 +47,66 @@ import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.remote.GTaskSyncService; import net.micode.notes.gtask.remote.GTaskSyncService;
/*
*NotesPreferenceActivity便
* PreferenceActivityActivity
*/
public class NotesPreferenceActivity extends PreferenceActivity { public class NotesPreferenceActivity extends PreferenceActivity {
public static final String PREFERENCE_NAME = "notes_preferences"; public static final String PREFERENCE_NAME = "notes_preferences";
//优先名
public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name";
//同步账号
public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time";
//同步时间
public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; 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 PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";
//同步密码
private static final String AUTHORITIES_FILTER_KEY = "authorities"; private static final String AUTHORITIES_FILTER_KEY = "authorities";
//本地密码
private PreferenceCategory mAccountCategory; private PreferenceCategory mAccountCategory;
//账户分组
private GTaskReceiver mReceiver; private GTaskReceiver mReceiver;
//同步任务接收器
private Account[] mOriAccounts; private Account[] mOriAccounts;
//账户
private boolean mHasAddedAccount; private boolean mHasAddedAccount;
//账户的hash标记
@Override @Override
/*
*activity
*Bundle icicle activity
*
*/
protected void onCreate(Bundle icicle) { protected void onCreate(Bundle icicle) {
//先执行父类的创建函数
super.onCreate(icicle); super.onCreate(icicle);
/* using the app icon for navigation */ /* using the app icon for navigation */
getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setDisplayHomeAsUpEnabled(true);
//给左上角图标的左边加上一个返回的图标
addPreferencesFromResource(R.xml.preferences); addPreferencesFromResource(R.xml.preferences);
//添加xml来源并显示 xml
mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY);
//根据同步账户关键码来初始化分组
mReceiver = new GTaskReceiver(); mReceiver = new GTaskReceiver();
IntentFilter filter = new IntentFilter(); IntentFilter filter = new IntentFilter();
filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME);
registerReceiver(mReceiver, filter); registerReceiver(mReceiver, filter);
//初始化同步组件
mOriAccounts = null; mOriAccounts = null;
View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null);
//获取listvivewListView的作用:用于列出所有选择
getListView().addHeaderView(header, null, true); getListView().addHeaderView(header, null, true);
//在listview组件上方添加其他组件
} }
@Override @Override
/*
* activity
*
*/
protected void onResume() { protected void onResume() {
//先执行父类 的交互实现
super.onResume(); super.onResume();
// need to set sync account automatically if user has added a new // need to set sync account automatically if user has added a new
// account // account
if (mHasAddedAccount) { if (mHasAddedAccount) {
//若用户新加了账户则自动设置同步账户
Account[] accounts = getGoogleAccounts(); Account[] accounts = getGoogleAccounts();
//获取google同步账户
if (mOriAccounts != null && accounts.length > mOriAccounts.length) { if (mOriAccounts != null && accounts.length > mOriAccounts.length) {
//若原账户不为空且当前账户有增加
for (Account accountNew : accounts) { for (Account accountNew : accounts) {
boolean found = false; boolean found = false;
for (Account accountOld : mOriAccounts) { for (Account accountOld : mOriAccounts) {
if (TextUtils.equals(accountOld.name, accountNew.name)) { if (TextUtils.equals(accountOld.name, accountNew.name)) {
//更新账户
found = true; found = true;
break; break;
} }
} }
if (!found) { if (!found) {
setSyncAccount(accountNew.name); setSyncAccount(accountNew.name);
//若是没有找到旧的账户,那么同步账号中就只添加新账户
break; break;
} }
} }
@ -124,52 +114,35 @@ public class NotesPreferenceActivity extends PreferenceActivity {
} }
refreshUI(); refreshUI();
//刷新标签界面
} }
@Override @Override
/*
* activity
*
*/
protected void onDestroy() { protected void onDestroy() {
if (mReceiver != null) { if (mReceiver != null) {
unregisterReceiver(mReceiver); unregisterReceiver(mReceiver);
//注销接收器
} }
super.onDestroy(); super.onDestroy();
//执行父类的销毁动作
} }
/*
*
*
*/
private void loadAccountPreference() { private void loadAccountPreference() {
mAccountCategory.removeAll(); mAccountCategory.removeAll();
//销毁所有的分组
Preference accountPref = new Preference(this); Preference accountPref = new Preference(this);
//建立首选项
final String defaultAccount = getSyncAccountName(this); final String defaultAccount = getSyncAccountName(this);
accountPref.setTitle(getString(R.string.preferences_account_title)); accountPref.setTitle(getString(R.string.preferences_account_title));
accountPref.setSummary(getString(R.string.preferences_account_summary)); accountPref.setSummary(getString(R.string.preferences_account_summary));
//设置首选项的大标题和小标题
accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) { public boolean onPreferenceClick(Preference preference) {
//建立监听器
if (!GTaskSyncService.isSyncing()) { if (!GTaskSyncService.isSyncing()) {
if (TextUtils.isEmpty(defaultAccount)) { if (TextUtils.isEmpty(defaultAccount)) {
// the first time to set account // the first time to set account
//若是第一次建立账户显示选择账户提示对话框
showSelectAccountAlertDialog(); showSelectAccountAlertDialog();
} else { } else {
// if the account has already been set, we need to promp // if the account has already been set, we need to promp
// user about the risk // user about the risk
//若是已经建立则显示修改对话框并进行修改操作
showChangeAccountConfirmAlertDialog(); showChangeAccountConfirmAlertDialog();
} }
} else { } else {
//若在没有同步的情况下则在toast中显示不能修改
Toast.makeText(NotesPreferenceActivity.this, Toast.makeText(NotesPreferenceActivity.this,
R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT)
.show(); .show();
@ -178,29 +151,21 @@ public class NotesPreferenceActivity extends PreferenceActivity {
} }
}); });
//根据新建首选项编辑新的账户分组
mAccountCategory.addPreference(accountPref); mAccountCategory.addPreference(accountPref);
} }
/*
*
*
*/
private void loadSyncButton() { private void loadSyncButton() {
Button syncButton = (Button) findViewById(R.id.preference_sync_button); Button syncButton = (Button) findViewById(R.id.preference_sync_button);
TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
//获取同步按钮控件和最终同步时间的的窗口
// set button state // set button state
//设置按钮的状态
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步状态下
syncButton.setText(getString(R.string.preferences_button_sync_cancel)); syncButton.setText(getString(R.string.preferences_button_sync_cancel));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
GTaskSyncService.cancelSync(NotesPreferenceActivity.this); GTaskSyncService.cancelSync(NotesPreferenceActivity.this);
} }
}); });
//设置按钮显示的文本为“取消同步”以及监听器
} else { } else {
syncButton.setText(getString(R.string.preferences_button_sync_immediately)); syncButton.setText(getString(R.string.preferences_button_sync_immediately));
syncButton.setOnClickListener(new View.OnClickListener() { syncButton.setOnClickListener(new View.OnClickListener() {
@ -208,67 +173,50 @@ public class NotesPreferenceActivity extends PreferenceActivity {
GTaskSyncService.startSync(NotesPreferenceActivity.this); GTaskSyncService.startSync(NotesPreferenceActivity.this);
} }
}); });
//若是不同步则设置按钮显示的文本为“立即同步”以及对应监听器
} }
syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this)));
//设置按键可用还是不可用
// set last sync time // set last sync time
// 设置最终同步时间
if (GTaskSyncService.isSyncing()) { if (GTaskSyncService.isSyncing()) {
//若是在同步的情况下
lastSyncTimeView.setText(GTaskSyncService.getProgressString()); lastSyncTimeView.setText(GTaskSyncService.getProgressString());
lastSyncTimeView.setVisibility(View.VISIBLE); lastSyncTimeView.setVisibility(View.VISIBLE);
// 根据当前同步服务器设置时间显示框的文本以及可见性
} else { } else {
//若是非同步情况
long lastSyncTime = getLastSyncTime(this); long lastSyncTime = getLastSyncTime(this);
if (lastSyncTime != 0) { if (lastSyncTime != 0) {
lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time,
DateFormat.format(getString(R.string.preferences_last_sync_time_format), DateFormat.format(getString(R.string.preferences_last_sync_time_format),
lastSyncTime))); lastSyncTime)));
lastSyncTimeView.setVisibility(View.VISIBLE); lastSyncTimeView.setVisibility(View.VISIBLE);
//则根据最后同步时间的信息来编辑时间显示框的文本内容和可见性
} else { } else {
//若时间为空直接设置为不可见状态
lastSyncTimeView.setVisibility(View.GONE); lastSyncTimeView.setVisibility(View.GONE);
} }
} }
} }
/*
*
*
*/
private void refreshUI() { private void refreshUI() {
loadAccountPreference(); loadAccountPreference();
loadSyncButton(); loadSyncButton();
} }
/*
*
*
*/
private void showSelectAccountAlertDialog() { private void showSelectAccountAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); titleTextView.setText(getString(R.string.preferences_dialog_select_account_title));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips));
//设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView); dialogBuilder.setCustomTitle(titleView);
dialogBuilder.setPositiveButton(null, null); dialogBuilder.setPositiveButton(null, null);
//设置对话框的自定义标题建立一个YES的按钮
Account[] accounts = getGoogleAccounts(); Account[] accounts = getGoogleAccounts();
String defAccount = getSyncAccountName(this); String defAccount = getSyncAccountName(this);
//获取同步账户信息
mOriAccounts = accounts; mOriAccounts = accounts;
mHasAddedAccount = false; mHasAddedAccount = false;
if (accounts.length > 0) { if (accounts.length > 0) {
//若账户不为空
CharSequence[] items = new CharSequence[accounts.length]; CharSequence[] items = new CharSequence[accounts.length];
final CharSequence[] itemMapping = items; final CharSequence[] itemMapping = items;
int checkedItem = -1; int checkedItem = -1;
@ -276,119 +224,83 @@ public class NotesPreferenceActivity extends PreferenceActivity {
for (Account account : accounts) { for (Account account : accounts) {
if (TextUtils.equals(account.name, defAccount)) { if (TextUtils.equals(account.name, defAccount)) {
checkedItem = index; checkedItem = index;
//在账户列表中查询到所需账户
} }
items[index++] = account.name; items[index++] = account.name;
} }
dialogBuilder.setSingleChoiceItems(items, checkedItem, dialogBuilder.setSingleChoiceItems(items, checkedItem,
//在对话框建立一个单选的复选框
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
setSyncAccount(itemMapping[which].toString()); setSyncAccount(itemMapping[which].toString());
dialog.dismiss(); dialog.dismiss();
//取消对话框
refreshUI(); refreshUI();
} }
//设置点击后执行的事件,包括检录新同步账户和刷新标签界面
}); });
//建立对话框网络版的监听器
} }
View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null);
dialogBuilder.setView(addAccountView); dialogBuilder.setView(addAccountView);
//给新加账户对话框设置自定义样式
final AlertDialog dialog = dialogBuilder.show(); final AlertDialog dialog = dialogBuilder.show();
//显示对话框
addAccountView.setOnClickListener(new View.OnClickListener() { addAccountView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) { public void onClick(View v) {
mHasAddedAccount = true; mHasAddedAccount = true;
//将新加账户的hash置true
Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
//建立网络建立组件
intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] {
"gmail-ls" "gmail-ls"
}); });
startActivityForResult(intent, -1); startActivityForResult(intent, -1);
//跳回上一个选项
dialog.dismiss(); dialog.dismiss();
} }
}); });
//建立新加账户对话框的监听器
} }
/*
*
*
*/
private void showChangeAccountConfirmAlertDialog() { private void showChangeAccountConfirmAlertDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
//创建一个新的对话框
View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null);
TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title);
titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, titleTextView.setText(getString(R.string.preferences_dialog_change_account_title,
getSyncAccountName(this))); getSyncAccountName(this)));
TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle);
subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg));
//根据同步修改的账户信息设置标题以及子标题的内容
dialogBuilder.setCustomTitle(titleView); dialogBuilder.setCustomTitle(titleView);
//设置对话框的自定义标题
CharSequence[] menuItemArray = new CharSequence[] { CharSequence[] menuItemArray = new CharSequence[] {
getString(R.string.preferences_menu_change_account), getString(R.string.preferences_menu_change_account),
getString(R.string.preferences_menu_remove_account), getString(R.string.preferences_menu_remove_account),
getString(R.string.preferences_menu_cancel) getString(R.string.preferences_menu_cancel)
}; };
//定义一些标记字符串
dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() {
//设置对话框要显示的一个list用于显示几个命令时,即changeremovecancel
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
//按键功能由which来决定
if (which == 0) { if (which == 0) {
//进入账户选择对话框
showSelectAccountAlertDialog(); showSelectAccountAlertDialog();
} else if (which == 1) { } else if (which == 1) {
//删除账户并且跟新便签界面
removeSyncAccount(); removeSyncAccount();
refreshUI(); refreshUI();
} }
} }
}); });
dialogBuilder.show(); dialogBuilder.show();
//显示对话框
} }
/*
*
*
*/
private Account[] getGoogleAccounts() { private Account[] getGoogleAccounts() {
AccountManager accountManager = AccountManager.get(this); AccountManager accountManager = AccountManager.get(this);
return accountManager.getAccountsByType("com.google"); return accountManager.getAccountsByType("com.google");
} }
/*
*
*
*/
private void setSyncAccount(String account) { private void setSyncAccount(String account) {
if (!getSyncAccountName(this).equals(account)) { if (!getSyncAccountName(this).equals(account)) {
//假如该账号不在同步账号列表中
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//编辑共享的首选项
if (account != null) { if (account != null) {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account);
} else { } else {
editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
//将该账号加入到首选项中
editor.commit(); editor.commit();
//提交修改的数据
// clean up last sync time
setLastSyncTime(this, 0); setLastSyncTime(this, 0);
//将最后同步时间清零
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -399,33 +311,23 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
Toast.makeText(NotesPreferenceActivity.this, Toast.makeText(NotesPreferenceActivity.this,
getString(R.string.preferences_toast_success_set_accout, account), getString(R.string.preferences_toast_success_set_accout, account),
Toast.LENGTH_SHORT).show(); Toast.LENGTH_SHORT).show();
//将toast的文本信息置为“设置账户成功”并显示出来
} }
} }
/*
*
*
*/
private void removeSyncAccount() { private void removeSyncAccount() {
SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
//设置共享首选项
if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) { if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {
editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME);
//假如当前首选项中有账户就删除
} }
if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) {
editor.remove(PREFERENCE_LAST_SYNC_TIME); editor.remove(PREFERENCE_LAST_SYNC_TIME);
//删除当前首选项中有账户时间
} }
editor.commit(); editor.commit();
//提交更新后的数据
// clean up local gtask related info // clean up local gtask related info
new Thread(new Runnable() { new Thread(new Runnable() {
@ -436,79 +338,51 @@ public class NotesPreferenceActivity extends PreferenceActivity {
getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null);
} }
}).start(); }).start();
//重置当地同步任务的信息
} }
/*
*
*
*/
public static String getSyncAccountName(Context context) { public static String getSyncAccountName(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, "");
} }
/*
*
*
*/
public static void setLastSyncTime(Context context, long time) { public static void setLastSyncTime(Context context, long time) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit(); SharedPreferences.Editor editor = settings.edit();
// 从共享首选项中找到相关账户并获取其编辑器
editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); editor.putLong(PREFERENCE_LAST_SYNC_TIME, time);
editor.commit(); editor.commit();
//编辑最终同步时间并提交更新
} }
/*
*
*
*/
public static long getLastSyncTime(Context context) { public static long getLastSyncTime(Context context) {
SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
Context.MODE_PRIVATE); Context.MODE_PRIVATE);
return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0);
} }
/*
*
* BroadcastReceiver
*/
private class GTaskReceiver extends BroadcastReceiver { private class GTaskReceiver extends BroadcastReceiver {
@Override @Override
public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
refreshUI(); refreshUI();
if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) {
//获取随广播而来的Intent中的同步服务的数据
TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview);
syncStatus.setText(intent syncStatus.setText(intent
.getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG));
//通过获取的数据在设置系统的状态
} }
} }
} }
/*
*
*
* :MenuItem
*/
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) { switch (item.getItemId()) {
//根据选项的id选择这里只有一个主页
case android.R.id.home: case android.R.id.home:
Intent intent = new Intent(this, NotesListActivity.class); Intent intent = new Intent(this, NotesListActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent); startActivity(intent);
return true; return true;
//在主页情况下在创建连接组件intent发出清空的信号并开始一个相应的activity
default: default:
return false; return false;
} }
} }
} }

@ -46,88 +46,52 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
private static final String TAG = "NoteWidgetProvider"; private static final String TAG = "NoteWidgetProvider";
@Override @Override
// 当小部件从主屏幕中被删除时调用的方法
public void onDeleted(Context context, int[] appWidgetIds) { public void onDeleted(Context context, int[] appWidgetIds) {
// 创建 ContentValues 对象,用于存储更新数据库的数值
ContentValues values = new ContentValues(); ContentValues values = new ContentValues();
// 将 NoteColumns.WIDGET_ID 的值设置为无效的小部件 IDAppWidgetManager.INVALID_APPWIDGET_ID
values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
// 遍历传入的小部件 ID 数组
for (int i = 0; i < appWidgetIds.length; i++) { for (int i = 0; i < appWidgetIds.length; i++) {
// 使用 ContentResolver 更新 Notes 数据库中的相应小部件 ID 的记录 context.getContentResolver().update(Notes.CONTENT_NOTE_URI,
context.getContentResolver().update( values,
Notes.CONTENT_NOTE_URI, // 更新的数据表的 URI NoteColumns.WIDGET_ID + "=?",
values, // 更新的数值 new String[] { String.valueOf(appWidgetIds[i])});
NoteColumns.WIDGET_ID + "=?", // 更新的条件,匹配小部件 ID
new String[] { String.valueOf(appWidgetIds[i]) } // 匹配条件的参数,传入当前小部件 ID
);
} }
} }
// 获取与小部件相关的笔记信息的方法
// 参数 context上下文对象用于访问内容提供程序
// 参数 widgetId要获取信息的小部件的唯一标识符
// 返回值:包含笔记信息的游标对象
private Cursor getNoteWidgetInfo(Context context, int widgetId) { private Cursor getNoteWidgetInfo(Context context, int widgetId) {
// 使用内容解析器查询 Notes 数据库中的记录 return context.getContentResolver().query(Notes.CONTENT_NOTE_URI,
// 查询的条件是NoteColumns.WIDGET_ID 等于给定 widgetId同时 NoteColumns.PARENT_ID 不等于垃圾箱的 IDNotes.ID_TRASH_FOLER PROJECTION,
// 查询的列是由 PROJECTION 常量指定的列数组 NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?",
return context.getContentResolver().query( new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) },
Notes.CONTENT_NOTE_URI, // 查询的数据表的 URI null);
PROJECTION, // 查询的列数组
NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?", // 查询的条件
new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) }, // 查询条件的参数
null // 不排序
);
} }
// update 方法的重载,用于执行小部件更新操作
// 参数 context上下文对象用于访问资源和小部件管理器
// 参数 appWidgetManager小部件管理器用于更新小部件
// 参数 appWidgetIds包含要更新的小部件 ID 的数组
protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用 update 方法的重载版本,传入默认参数 false
update(context, appWidgetManager, appWidgetIds, false); update(context, appWidgetManager, appWidgetIds, false);
} }
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds,
// update 方法,用于更新小部件 boolean privacyMode) {
// 参数 context上下文对象用于访问资源和小部件管理器
// 参数 appWidgetManager小部件管理器用于更新小部件
// 参数 appWidgetIds包含要更新的小部件 ID 的数组
// 参数 privacyMode一个布尔值表示小部件是否处于隐私模式
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, boolean privacyMode) {
for (int i = 0; i < appWidgetIds.length; i++) { for (int i = 0; i < appWidgetIds.length; i++) {
if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) { if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
// 获取默认背景 ID
int bgId = ResourceParser.getDefaultBgId(context); int bgId = ResourceParser.getDefaultBgId(context);
// 初始化一个空字符串用于存储文本片段
String snippet = ""; String snippet = "";
// 创建一个意图,用于打开 NoteEditActivity
Intent intent = new Intent(context, NoteEditActivity.class); Intent intent = new Intent(context, NoteEditActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]); intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType()); intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
// 查询与当前小部件相关的笔记信息
Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]); Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
if (c != null && c.moveToFirst()) { if (c != null && c.moveToFirst()) {
// 如果查询结果中有多于一个记录,记录错误并返回
if (c.getCount() > 1) { if (c.getCount() > 1) {
Log.e(TAG, "Multiple message with the same widget id:" + appWidgetIds[i]); Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]);
c.close(); c.close();
return; return;
} }
// 从查询结果中获取文本片段和背景颜色 ID
snippet = c.getString(COLUMN_SNIPPET); snippet = c.getString(COLUMN_SNIPPET);
bgId = c.getInt(COLUMN_BG_COLOR_ID); bgId = c.getInt(COLUMN_BG_COLOR_ID);
// 设置 intent 中的额外数据,包括笔记的唯一标识符和操作类型
intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID)); intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
intent.setAction(Intent.ACTION_VIEW); intent.setAction(Intent.ACTION_VIEW);
} else { } else {
// 如果没有查询到相关信息,使用默认文本片段和插入/编辑操作类型
snippet = context.getResources().getString(R.string.widget_havenot_content); snippet = context.getResources().getString(R.string.widget_havenot_content);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT); intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
} }
@ -136,35 +100,30 @@ public abstract class NoteWidgetProvider extends AppWidgetProvider {
c.close(); c.close();
} }
// 创建远程视图对象,用于配置小部件的外观
RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId()); RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId)); rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
// 设置 intent 中的额外数据,包括背景 ID
intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId); intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
/**
// 生成用于启动小部件的挂起意图 * Generate the pending intent to start host for the widget
*/
PendingIntent pendingIntent = null; PendingIntent pendingIntent = null;
if (privacyMode) { if (privacyMode) {
// 如果小部件处于隐私模式,设置文本为特定文本并创建 NotesListActivity 的意图 rv.setTextViewText(R.id.widget_text,
rv.setTextViewText(R.id.widget_text, context.getString(R.string.widget_under_visit_mode)); context.getString(R.string.widget_under_visit_mode));
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent( pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT); context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
} else { } else {
// 如果不是隐私模式,将文本设置为笔记片段,并创建打开笔记编辑界面的意图
rv.setTextViewText(R.id.widget_text, snippet); rv.setTextViewText(R.id.widget_text, snippet);
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent, pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
PendingIntent.FLAG_UPDATE_CURRENT); PendingIntent.FLAG_UPDATE_CURRENT);
} }
// 设置小部件的点击行为
rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent); rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
// 更新小部件
appWidgetManager.updateAppWidget(appWidgetIds[i], rv); appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
} }
} }
} }
protected abstract int getBgResourceId(int bgId); protected abstract int getBgResourceId(int bgId);
protected abstract int getLayoutId(); protected abstract int getLayoutId();

@ -14,161 +14,34 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.widget; package net.micode.notes.widget;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;
import android.widget.RemoteViews;
import net.micode.notes.R; import android.appwidget.AppWidgetManager;
import net.micode.notes.data.Notes; import android.content.Context;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.ui.NoteEditActivity;
import net.micode.notes.ui.NotesListActivity;
public abstract class NoteWidgetProvider extends AppWidgetProvider { import net.micode.notes.R;
public static final String [] PROJECTION = new String [] { import net.micode.notes.data.Notes;
NoteColumns.ID, import net.micode.notes.tool.ResourceParser;
NoteColumns.BG_COLOR_ID,
NoteColumns.SNIPPET
};
public static final int COLUMN_ID = 0;
public static final int COLUMN_BG_COLOR_ID = 1;
public static final int COLUMN_SNIPPET = 2;
private static final String TAG = "NoteWidgetProvider";
public class NoteWidgetProvider_2x extends NoteWidgetProvider {
@Override @Override
// 当小部件从主屏幕中被删除时调用的方法 public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
public void onDeleted(Context context, int[] appWidgetIds) { super.update(context, appWidgetManager, appWidgetIds);
// 创建 ContentValues 对象,用于存储更新数据库的数值
ContentValues values = new ContentValues();
// 将 NoteColumns.WIDGET_ID 的值设置为无效的小部件 IDAppWidgetManager.INVALID_APPWIDGET_ID
values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
// 遍历传入的小部件 ID 数组
for (int i = 0; i < appWidgetIds.length; i++) {
// 使用 ContentResolver 更新 Notes 数据库中的相应小部件 ID 的记录
context.getContentResolver().update(
Notes.CONTENT_NOTE_URI, // 更新的数据表的 URI
values, // 更新的数值
NoteColumns.WIDGET_ID + "=?", // 更新的条件,匹配小部件 ID
new String[] { String.valueOf(appWidgetIds[i]) } // 匹配条件的参数,传入当前小部件 ID
);
}
}
// 获取与小部件相关的笔记信息的方法
// 参数 context上下文对象用于访问内容提供程序
// 参数 widgetId要获取信息的小部件的唯一标识符
// 返回值:包含笔记信息的游标对象
private Cursor getNoteWidgetInfo(Context context, int widgetId) {
// 使用内容解析器查询 Notes 数据库中的记录
// 查询的条件是NoteColumns.WIDGET_ID 等于给定 widgetId同时 NoteColumns.PARENT_ID 不等于垃圾箱的 IDNotes.ID_TRASH_FOLER
// 查询的列是由 PROJECTION 常量指定的列数组
return context.getContentResolver().query(
Notes.CONTENT_NOTE_URI, // 查询的数据表的 URI
PROJECTION, // 查询的列数组
NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?", // 查询的条件
new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) }, // 查询条件的参数
null // 不排序
);
}
// update 方法的重载,用于执行小部件更新操作
// 参数 context上下文对象用于访问资源和小部件管理器
// 参数 appWidgetManager小部件管理器用于更新小部件
// 参数 appWidgetIds包含要更新的小部件 ID 的数组
protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用 update 方法的重载版本,传入默认参数 false
update(context, appWidgetManager, appWidgetIds, false);
}
// update 方法,用于更新小部件
// 参数 context上下文对象用于访问资源和小部件管理器
// 参数 appWidgetManager小部件管理器用于更新小部件
// 参数 appWidgetIds包含要更新的小部件 ID 的数组
// 参数 privacyMode一个布尔值表示小部件是否处于隐私模式
private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, boolean privacyMode) {
for (int i = 0; i < appWidgetIds.length; i++) {
if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) {
// 获取默认背景 ID
int bgId = ResourceParser.getDefaultBgId(context);
// 初始化一个空字符串用于存储文本片段
String snippet = "";
// 创建一个意图,用于打开 NoteEditActivity
Intent intent = new Intent(context, NoteEditActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]);
intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType());
// 查询与当前小部件相关的笔记信息
Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]);
if (c != null && c.moveToFirst()) {
// 如果查询结果中有多于一个记录,记录错误并返回
if (c.getCount() > 1) {
Log.e(TAG, "Multiple message with the same widget id:" + appWidgetIds[i]);
c.close();
return;
}
// 从查询结果中获取文本片段和背景颜色 ID
snippet = c.getString(COLUMN_SNIPPET);
bgId = c.getInt(COLUMN_BG_COLOR_ID);
// 设置 intent 中的额外数据,包括笔记的唯一标识符和操作类型
intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID));
intent.setAction(Intent.ACTION_VIEW);
} else {
// 如果没有查询到相关信息,使用默认文本片段和插入/编辑操作类型
snippet = context.getResources().getString(R.string.widget_havenot_content);
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
} }
if (c != null) { @Override
c.close(); protected int getLayoutId() {
} return R.layout.widget_2x;
// 创建远程视图对象,用于配置小部件的外观
RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId());
rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId));
// 设置 intent 中的额外数据,包括背景 ID
intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId);
// 生成用于启动小部件的挂起意图
PendingIntent pendingIntent = null;
if (privacyMode) {
// 如果小部件处于隐私模式,设置文本为特定文本并创建 NotesListActivity 的意图
rv.setTextViewText(R.id.widget_text, context.getString(R.string.widget_under_visit_mode));
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent(
context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT);
} else {
// 如果不是隐私模式,将文本设置为笔记片段,并创建打开笔记编辑界面的意图
rv.setTextViewText(R.id.widget_text, snippet);
pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent,
PendingIntent.FLAG_UPDATE_CURRENT);
} }
// 设置小部件的点击行为 @Override
rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent); protected int getBgResourceId(int bgId) {
// 更新小部件 return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId);
appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
}
}
} }
@Override
protected abstract int getBgResourceId(int bgId); protected int getWidgetType() {
return Notes.TYPE_WIDGET_2X;
protected abstract int getLayoutId();
protected abstract int getWidgetType();
} }
}

@ -23,28 +23,22 @@ import net.micode.notes.R;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.tool.ResourceParser; import net.micode.notes.tool.ResourceParser;
// NoteWidgetProvider_4x 类是 NoteWidgetProvider 的子类,用于特定类型的小部件
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
public class NoteWidgetProvider_4x extends NoteWidgetProvider {
@Override @Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// 调用父类的 update 方法以执行小部件更新操作
super.update(context, appWidgetManager, appWidgetIds); super.update(context, appWidgetManager, appWidgetIds);
} }
// 获取小部件的布局资源 ID此处返回 R.layout.widget_4x
protected int getLayoutId() { protected int getLayoutId() {
return R.layout.widget_4x; return R.layout.widget_4x;
} }
// 获取与小部件类型相关的背景资源 ID
@Override @Override
protected int getBgResourceId(int bgId) { protected int getBgResourceId(int bgId) {
// 使用 ResourceParser 获取 4x 小部件的背景资源
return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId); return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
} }
// 获取小部件的类型,此处返回 Notes.TYPE_WIDGET_4X
@Override @Override
protected int getWidgetType() { protected int getWidgetType() {
return Notes.TYPE_WIDGET_4X; return Notes.TYPE_WIDGET_4X;

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