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33 Commits

Author SHA1 Message Date
helloworld 47bd220188 按要求进行改正后的报告
1 year ago
helloworld 7a2e398a27 最终的泛读报告
1 year ago
helloworld 0ad49339f7 最终合并的版本
1 year ago
helloworld a5455aa97e 1
1 year ago
helloworld 6acfbe3c54 最终的泛读报告
1 year ago
helloworld 1bfeeed989 最终的泛读报告
1 year ago
helloworld bd681753da 最终合并的版本
1 year ago
helloworld b4151c0eef 更新
1 year ago
p87v4biok 34545b9296 Merge pull request '苏韬文分支的合并' (#8) from SU into main
1 year ago
Dick 0aaa20c371 new
1 year ago
helloworld db1ab27bfb 更新
1 year ago
Dick e0c7aea19f ok
2 years ago
helloworld 4d770653e4 更新
2 years ago
helloworld 0e26323960 1
2 years ago
helloworld ebfdab1e76 增加了小米便签用例图
2 years ago
helloworld 9c9ffee903 小米便签data部分泛读报告
2 years ago
helloworld b508fc23a6 增加用例描述作业
2 years ago
Dick 935d470ce5 编写了代码阅读报告(model部分代码本身已完成注释并上传)
2 years ago
helloworld dc020351b9 在data中给出了注释并写了泛读报告
2 years ago
helloworld b7d529b261 在data中的代码里给出了注释并写了泛读报告
2 years ago
helloworld b3c5034273 在src的data中在代码里面给出了注释并将泛读报告写在doc下
2 years ago
helloworld b7ec4203e9 撰写了data的泛读报告
2 years ago
helloworld 161a3594c5 在data部分的代码里面给出了注释
2 years ago
helloworld b490edb039 在代码中给出了注释
2 years ago
helloworld 98124d838a 1
2 years ago
helloworld 81a50503b5 1
2 years ago
Dick d3f43c2d3d Merge branch 'main' of https://bdgit.educoder.net/p87v4biok/git-test into SU
2 years ago
helloworld c62b030ba1 更新
2 years ago
helloworld fb72452d82 更新
2 years ago
Dick f436c1f9cb 1
2 years ago
Dick 55f659bd9e 1
2 years ago
helloworld 0f27364294 作业准备阶段
2 years ago
helloworld fb54d7e5bd 作业准备阶段工作
2 years ago

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@ -26,9 +26,12 @@ 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 "
@ -36,27 +39,35 @@ 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) {

@ -17,234 +17,246 @@
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 } is default folder * {@link Notes#ID_ROOT_FOLDER}
* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder * {@link Notes#ID_TEMPARAY_FOLDER}
* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records * {@link Notes#ID_CALL_RECORD_FOLDER}
*/ */
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 to query all notes and folders * Uri
*/ */
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 to query data * Uri
*/ */
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 {
/** /**
* The unique ID for a row * ID
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String ID = "_id"; public static final String ID = "_id";
/** /**
* The parent's id for note or folder * ID
* <P> Type: INTEGER (long) </P> * <P> 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> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String CREATED_DATE = "created_date"; public static final String CREATED_DATE = "created_date";
/** /**
* Latest modified date *
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String MODIFIED_DATE = "modified_date"; public static final String MODIFIED_DATE = "modified_date";
/** /**
* Alert date *
* <P> Type: INTEGER (long) </P> * <P> 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> Type: TEXT </P> * <P> TEXT </P>
*/ */
public static final String SNIPPET = "snippet"; public static final String SNIPPET = "snippet";
/** /**
* Note's widget id * widget id
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String WIDGET_ID = "widget_id"; public static final String WIDGET_ID = "widget_id";
/** /**
* Note's widget type * widget
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String WIDGET_TYPE = "widget_type"; public static final String WIDGET_TYPE = "widget_type";
/** /**
* Note's background color's id * id
* <P> Type: INTEGER (long) </P> * <P> 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 *
* note, it has at least one attachment * <P> INTEGER </P>
* <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> Type: INTEGER (long) </P> * <P> 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> Type: INTEGER </P> * <P> INTEGER </P>
*/ */
public static final String TYPE = "type"; public static final String TYPE = "type";
/** /**
* The last sync id * ID
* <P> Type: INTEGER (long) </P> * <P> 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> Type: INTEGER </P> * <P> INTEGER </P>
*/ */
public static final String LOCAL_MODIFIED = "local_modified"; public static final String LOCAL_MODIFIED = "local_modified";
/** /**
* Original parent id before moving into temporary folder * ID
* <P> Type : INTEGER </P> * <P> INTEGER </P>
*/ */
public static final String ORIGIN_PARENT_ID = "origin_parent_id"; public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/** /**
* The gtask id * Gtask ID
* <P> Type : TEXT </P> * <P> TEXT </P>
*/ */
public static final String GTASK_ID = "gtask_id"; public static final String GTASK_ID = "gtask_id";
/** /**
* The version code *
* <P> Type : INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String VERSION = "version"; public static final String VERSION = "version";
} }
public interface DataColumns { public interface DataColumns {
/** /**
* The unique ID for a row * ID
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String ID = "_id"; public static final String ID = "_id";
/** /**
* The MIME type of the item represented by this row. * MIME
* <P> Type: Text </P> * <P> TEXT </P>
*/ */
public static final String MIME_TYPE = "mime_type"; public static final String MIME_TYPE = "mime_type";
/** /**
* The reference id to note that this data belongs to * ID
* <P> Type: INTEGER (long) </P> * <P> 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> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String CREATED_DATE = "created_date"; public static final String CREATED_DATE = "created_date";
/** /**
* Latest modified date *
* <P> Type: INTEGER (long) </P> * <P> INTEGER (long) </P>
*/ */
public static final String MODIFIED_DATE = "modified_date"; public static final String MODIFIED_DATE = "modified_date";
/** /**
* Data's content *
* <P> Type: TEXT </P> * <P> TEXT </P>
*/ */
public static final String CONTENT = "content"; public static final String CONTENT = "content";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * {@link #MIMETYPE}
* integer data type * <P> INTEGER </P>
* <P> Type: INTEGER </P>
*/ */
public static final String DATA1 = "data1"; public static final String DATA1 = "data1";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * {@link #MIMETYPE}
* integer data type * <P> INTEGER </P>
* <P> Type: INTEGER </P>
*/ */
public static final String DATA2 = "data2"; public static final String DATA2 = "data2";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * {@link #MIMETYPE}TEXT
* TEXT data type * <P> TEXT </P>
* <P> Type: TEXT </P>
*/ */
public static final String DATA3 = "data3"; public static final String DATA3 = "data3";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * {@link #MIMETYPE}TEXT
* TEXT data type * <P> TEXT </P>
* <P> Type: TEXT </P>
*/ */
public static final String DATA4 = "data4"; public static final String DATA4 = "data4";
/** /**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for * {@link #MIMETYPE}TEXT
* TEXT data type * <P> TEXT </P>
* <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> Type: Integer 1:check list mode 0: normal mode </P> * <P> : Integer 1:check list mode 0: normal mode </P>
*/ */
public static final String MODE = DATA1; public static final String MODE = DATA1;
@ -275,5 +287,6 @@ 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; 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.Context; 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.database.sqlite.SQLiteDatabase; 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.SQLiteOpenHelper; import android.database.sqlite.SQLiteOpenHelper;//用来管理数据的创建和版本更新
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 { public interface TABLE { //接口分成note和data在后面的程序里分别使用过
public static final String NOTE = "note"; 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 + ");"; TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";//存储便签编号的一个数据表格
/** /**
* 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"; " END";//在文件夹中移入一个Note之后需要更改的数据的表格。
/** /**
* 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"; " END";//在文件夹中移出一个Note之后需要更改的数据的表格。
/** /**
* 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"; " END";//在文件夹中插入一个Note之后需要更改的数据的表格。
/** /**
* 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"; " END";//在文件夹中删除一个Note之后需要更改的数据的表格。
/** /**
* 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"; " 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。
/** /**
* 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"; " END";//Note数据被修改后需要更改的数据的表格。
/** /**
* 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"; " END";//Note数据被删除后需要更改的数据的表格。
/** /**
* 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"; " END";//删除已删除的便签的数据后需要更改的数据的表格。
/** /**
* 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"; " END";//删除已删除的文件夹的便签后需要更改的数据的表格。
/** /**
* 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"; " END";//还原垃圾桶中便签后需要更改的数据的表格。
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");
@ -233,7 +233,8 @@ 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();
@ -268,14 +269,14 @@ 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");
@ -285,20 +286,22 @@ 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) {
@ -331,14 +334,14 @@ 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
@ -353,10 +356,10 @@ 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
} }

@ -16,7 +16,6 @@
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;
@ -33,9 +32,15 @@ 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;
@ -51,7 +56,9 @@ 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);
@ -65,6 +72,7 @@ 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 + ","
@ -72,7 +80,7 @@ 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 ?"
@ -80,18 +88,24 @@ 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);
@ -113,6 +127,7 @@ 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");
} }
@ -120,6 +135,8 @@ 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 {
@ -139,6 +156,7 @@ 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) {
@ -148,13 +166,17 @@ 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);
@ -167,6 +189,7 @@ 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);
@ -178,13 +201,17 @@ 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)) {
@ -228,6 +255,7 @@ 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;
@ -267,10 +295,12 @@ 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 ");
@ -293,6 +323,7 @@ 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());
} }

@ -14,41 +14,66 @@
* 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
* getSimpleName ()
*/
private final static String TAG = MetaData.class.getSimpleName(); private final static String TAG = MetaData.class.getSimpleName();
private String mRelatedGid = null; private String mRelatedGid = null;
/*
public void setMeta(String gid, JSONObject metaInfo) { *
* JSONObjectput ()TasksetNotes ()setName ()
*
*/
public void setMeta(String gid, JSONObject metaInfo)
{
//对函数块进行注释
try { try {
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
/*
* metaInfojsonobject
*/
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, "failed to put related gid"); Log.e(TAG, "failed to put related gid");
/*
*
*/
} }
setNotes(metaInfo.toString()); setNotes(metaInfo.toString());
setName(GTaskStringUtils.META_NOTE_NAME); setName(GTaskStringUtils.META_NOTE_NAME);
} }
/*
* Gid
*/
public String getRelatedGid() { public String getRelatedGid() {
return mRelatedGid; return mRelatedGid;
} }
/*
*
*/
@Override @Override
public boolean isWorthSaving() { public boolean isWorthSaving() {
return getNotes() != null; return getNotes() != null;
} }
/*
* 使json
* TasksetContentByRemoteJSON ()
*
*/
@Override @Override
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
super.setContentByRemoteJSON(js); super.setContentByRemoteJSON(js);
@ -62,21 +87,28 @@ public class MetaData extends Task {
} }
} }
} }
/*
* 使json
*/
@Override @Override
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
// this function should not be called // this function should not be called
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
} }
/*
* json
*/
@Override @Override
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
} }
/*
*
*/
@Override @Override
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
throw new IllegalAccessError("MetaData:getSyncAction should not be called"); throw new IllegalAccessError("MetaData:getSyncAction should not be called");
} }
} }

@ -14,38 +14,43 @@
* 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;
public abstract class Node { /*
public static final int SYNC_ACTION_NONE = 0; *
* abstract
*/
public abstract class Node {
//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_ADD_REMOTE = 1; public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要在远程云端增加内容
public static final int SYNC_ACTION_ADD_LOCAL = 2; public static final int SYNC_ACTION_ADD_LOCAL = 2;// 需要在本地增加内容
public static final int SYNC_ACTION_DEL_REMOTE = 3; public static final int SYNC_ACTION_DEL_REMOTE = 3;// 需要在远程云端删除内容
public static final int SYNC_ACTION_DEL_LOCAL = 4; public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要在本地删除内容
public static final int SYNC_ACTION_UPDATE_REMOTE = 5; public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要将本地内容更新到远程云端
public static final int SYNC_ACTION_UPDATE_LOCAL = 6; public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要将远程云端内容更新到本地
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突
public static final int SYNC_ACTION_ERROR = 8; public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误
private String mGid; private String mGid;
private String mName; private String mName;
private long mLastModified; private long mLastModified;//记录最后一次修改时间
private boolean mDeleted; private boolean mDeleted;//表征是否被删除
public Node() { public Node() {
mGid = null; mGid = null;
@ -98,4 +103,4 @@ public abstract class Node {
return this.mDeleted; return this.mDeleted;
} }
} }

@ -14,37 +14,57 @@
* 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.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes;
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.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException;
import org.json.JSONObject;
/*
* Description便sqlnotedatanote
* SqlData
*/
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import net.micode.notes.data.Notes; public class SqlData {
import net.micode.notes.data.Notes.DataColumns; /*
import net.micode.notes.data.Notes.DataConstants; * TAG
import net.micode.notes.data.Notes.NoteColumns; * getSimpleName ()
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException; */
import org.json.JSONObject; private static final String TAG = SqlData.class.getSimpleName();
private static final int INVALID_ID = -99999;//为mDataId置初始值-99999
public class SqlData {
private static final String TAG = SqlData.class.getSimpleName();
private static final int INVALID_ID = -99999; /**
* NotesDataColumn
*/
// 集合了interface DataColumns中所有SF常量
public static final String[] PROJECTION_DATA = new String[] { public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3 DataColumns.DATA3
}; };
/**
* sql5
*/
public static final int DATA_ID_COLUMN = 0; public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1; public static final int DATA_MIME_TYPE_COLUMN = 1;
@ -56,7 +76,7 @@ public class SqlData {
public static final int DATA_CONTENT_DATA_3_COLUMN = 4; public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
//判断是否直接用Content生成是为true否则为false
private boolean mIsCreate; private boolean mIsCreate;
private long mDataId; private long mDataId;
@ -71,10 +91,15 @@ public class SqlData {
private ContentValues mDiffDataValues; private ContentValues mDiffDataValues;
/*
*
* mContentResolverContentProvider
* mIsCreate
*/
public SqlData(Context context) { public SqlData(Context context) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = true; mIsCreate = true;
mDataId = INVALID_ID; mDataId = INVALID_ID;//mDataId置初始值-99999
mDataMimeType = DataConstants.NOTE; mDataMimeType = DataConstants.NOTE;
mDataContent = ""; mDataContent = "";
mDataContentData1 = 0; mDataContentData1 = 0;
@ -82,6 +107,12 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/*
*
* mContentResolverContentProvider
* mIsCreate
*/
public SqlData(Context context, Cursor c) { public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = false; mIsCreate = false;
@ -89,6 +120,10 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/*
*
*
*/
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN); mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
@ -97,7 +132,12 @@ public class SqlData {
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
} }
/*
*
*/
public void setContent(JSONObject js) throws JSONException { public void setContent(JSONObject js) throws JSONException {
//如果传入的JSONObject对象中有DataColumns.ID这一项则设置否则设为INVALID_ID
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId != dataId) { if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId); mDiffDataValues.put(DataColumns.ID, dataId);
@ -130,11 +170,16 @@ public class SqlData {
mDataContentData3 = dataContentData3; mDataContentData3 = dataContentData3;
} }
/*
*
*/
public JSONObject getContent() throws JSONException { public JSONObject getContent() throws JSONException {
if (mIsCreate) { if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet"); Log.e(TAG, "it seems that we haven't created this in database yet");
return null; return null;
} }
//创建JSONObject对象。并将相关数据放入其中并返回。
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId); js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType); js.put(DataColumns.MIME_TYPE, mDataMimeType);
@ -144,6 +189,9 @@ public class SqlData {
return js; return js;
} }
/*
* commit
*/
public void commit(long noteId, boolean validateVersion, long version) { public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) { if (mIsCreate) {
@ -183,7 +231,10 @@ public class SqlData {
mIsCreate = false; mIsCreate = false;
} }
/*
* id
*/
public long getId() { public long getId() {
return mDataId; return mDataId;
} }
} }

@ -14,35 +14,45 @@
* 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;
public class SqlNote { /*
* Description便sqldatanotedata
* SqlDataSqlNote
*/
public class SqlNote {
/*
* TAG
* getSimpleName ()
*/
private static final String TAG = SqlNote.class.getSimpleName(); private static final String TAG = SqlNote.class.getSimpleName();
private static final int INVALID_ID = -99999; private static final int INVALID_ID = -99999;
// 集合了interface NoteColumns中所有SF常量17个
public static final String[] PROJECTION_NOTE = new String[] { public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -52,6 +62,7 @@ public class SqlNote {
NoteColumns.VERSION NoteColumns.VERSION
}; };
//以下设置17个列的编号
public static final int ID_COLUMN = 0; public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1; public static final int ALERTED_DATE_COLUMN = 1;
@ -86,6 +97,7 @@ public class SqlNote {
public static final int VERSION_COLUMN = 16; public static final int VERSION_COLUMN = 16;
//一下定义了17个内部的变量其中12个可以由content中获得5个需要初始化为0或者new
private Context mContext; private Context mContext;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
@ -122,6 +134,11 @@ public class SqlNote {
private ArrayList<SqlData> mDataList; private ArrayList<SqlData> mDataList;
/*
*
* mIsCreate
*/
//构造函数只有context对所有的变量进行初始化
public SqlNote(Context context) { public SqlNote(Context context) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -129,9 +146,9 @@ public class SqlNote {
mId = INVALID_ID; mId = INVALID_ID;
mAlertDate = 0; mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context); mBgColorId = ResourceParser.getDefaultBgId(context);
mCreatedDate = System.currentTimeMillis(); mCreatedDate = System.currentTimeMillis();//调用系统函数获得创建时间
mHasAttachment = 0; mHasAttachment = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();//最后一次修改时间初始化为创建时间
mParentId = 0; mParentId = 0;
mSnippet = ""; mSnippet = "";
mType = Notes.TYPE_NOTE; mType = Notes.TYPE_NOTE;
@ -143,17 +160,29 @@ public class SqlNote {
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
} }
/*
*
* mIsCreate
*/
//构造函数有context和一个数据库的cursor多数变量通过cursor指向的一条记录直接进行初始化
public SqlNote(Context context, Cursor c) { public SqlNote(Context context, Cursor c) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = false; mIsCreate = false;
loadFromCursor(c); loadFromCursor(c);
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
//
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
/*
*
* mIsCreate
*/
public SqlNote(Context context, long id) { public SqlNote(Context context, long id) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -166,16 +195,20 @@ public class SqlNote {
} }
/*
* id
*/
private void loadFromCursor(long id) { private void loadFromCursor(long id) {
Cursor c = null; Cursor c = null;
try { try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] { new String[] {
String.valueOf(id) String.valueOf(id)
}, null); }, null);//通过id获得对应的ContentResolver中的cursor
if (c != null) { if (c != null) {
c.moveToNext(); c.moveToNext();
loadFromCursor(c); loadFromCursor(c);//然后加载数据进行初始化,这样函数
//SqlNote(Context context, long id)与SqlNote(Context context, long id)的实现方式基本相同
} else { } else {
Log.w(TAG, "loadFromCursor: cursor = null"); Log.w(TAG, "loadFromCursor: cursor = null");
} }
@ -185,7 +218,11 @@ public class SqlNote {
} }
} }
/*
*
*/
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
//直接从一条记录中的获得以下变量的初始值
mId = c.getLong(ID_COLUMN); mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN); mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
@ -200,6 +237,9 @@ public class SqlNote {
mVersion = c.getLong(VERSION_COLUMN); mVersion = c.getLong(VERSION_COLUMN);
} }
/*
* content
*/
private void loadDataContent() { private void loadDataContent() {
Cursor c = null; Cursor c = null;
mDataList.clear(); mDataList.clear();
@ -226,6 +266,9 @@ public class SqlNote {
} }
} }
/*
* content
*/
public boolean setContent(JSONObject js) { public boolean setContent(JSONObject js) {
try { try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
@ -267,7 +310,6 @@ public class SqlNote {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
} }
mBgColorId = bgColorId; mBgColorId = bgColorId;
long createDate = note.has(NoteColumns.CREATED_DATE) ? note long createDate = note.has(NoteColumns.CREATED_DATE) ? note
.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
if (mIsCreate || mCreatedDate != createDate) { if (mIsCreate || mCreatedDate != createDate) {
@ -359,6 +401,9 @@ public class SqlNote {
return true; return true;
} }
/*
* contentnote
*/
public JSONObject getContent() { public JSONObject getContent() {
try { try {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -369,7 +414,7 @@ public class SqlNote {
} }
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {//类型为note时
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.ALERTED_DATE, mAlertDate); note.put(NoteColumns.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId); note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
@ -392,7 +437,7 @@ public class SqlNote {
} }
} }
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {//类型为文件夹或者
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.SNIPPET, mSnippet); note.put(NoteColumns.SNIPPET, mSnippet);
@ -407,39 +452,66 @@ public class SqlNote {
return null; return null;
} }
/*
* idid
*/
public void setParentId(long id) { public void setParentId(long id) {
mParentId = id; mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id); mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
} }
/*
* idGtaskid
*/
public void setGtaskId(String gid) { public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
} }
/*
* idid
*/
public void setSyncId(long syncId) { public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
} }
/*
*
*/
public void resetLocalModified() { public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
} }
/*
* id
*/
public long getId() { public long getId() {
return mId; return mId;
} }
/*
* idid
*/
public long getParentId() { public long getParentId() {
return mParentId; return mParentId;
} }
/*
* 便
*/
public String getSnippet() { public String getSnippet() {
return mSnippet; return mSnippet;
} }
/*
* 便
*/
public boolean isNoteType() { public boolean isNoteType() {
return mType == Notes.TYPE_NOTE; return mType == Notes.TYPE_NOTE;
} }
/*
* commit
*/
public void commit(boolean validateVersion) { public void commit(boolean validateVersion) {
if (mIsCreate) { if (mIsCreate) {
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
@ -458,7 +530,7 @@ public class SqlNote {
} }
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {//直接使用sqldata中的实现
sqlData.commit(mId, false, -1); sqlData.commit(mId, false, -1);
} }
} }
@ -470,7 +542,7 @@ public class SqlNote {
if (mDiffNoteValues.size() > 0) { if (mDiffNoteValues.size() > 0) {
mVersion ++; mVersion ++;
int result = 0; int result = 0;
if (!validateVersion) { if (!validateVersion) {//构造字符串
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] { + NoteColumns.ID + "=?)", new String[] {
String.valueOf(mId) String.valueOf(mId)
@ -502,4 +574,5 @@ public class SqlNote {
mDiffNoteValues.clear(); mDiffNoteValues.clear();
mIsCreate = false; mIsCreate = false;
} }
} }

@ -14,43 +14,44 @@
* 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; private boolean mCompleted;//是否完成
private String mNotes; private String mNotes;
private JSONObject mMetaInfo; private JSONObject mMetaInfo;//将在实例中存储数据的类型
private Task mPriorSibling; private Task mPriorSibling;//对应的优先兄弟Task的指针待完善
private TaskList mParent; private TaskList mParent;//所在的任务列表的指针
public Task() { public Task() {
super(); super();
mCompleted = false; mCompleted = false;
mNotes = null; mNotes = null;
mPriorSibling = null; mPriorSibling = null;//TaskList中当前Task前面的Task的指针
mParent = null; mParent = null;//当前Task所在的TaskList
mMetaInfo = null; mMetaInfo = null;
} }
@ -80,14 +81,18 @@ public class Task extends Node {
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// parent_id // parent_id
if (mParent!= null) {
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
}
// dest_parent_type // dest_parent_type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// list_id // list_id
if (mParent!= null) {
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
}
// prior_sibling_id // prior_sibling_id
if (mPriorSibling != null) { if (mPriorSibling != null) {
@ -175,7 +180,7 @@ public class Task extends Node {
} }
} }
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) { //<2F><>metadata<74><61><EFBFBD><EFBFBD>ʵʩ
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
@ -348,4 +353,4 @@ public class Task extends Node {
return this.mParent; return this.mParent;
} }
} }

@ -14,28 +14,29 @@
* 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 {
private static final String TAG = TaskList.class.getSimpleName();
private int mIndex; public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName();//tag标记
private ArrayList<Task> mChildren; private int mIndex;//当前TaskList的指针
private ArrayList<Task> mChildren;//类中主要的保存数据的单元用来实现一个以Task为元素的ArrayList
public TaskList() { public TaskList() {
super(); super();
@ -43,6 +44,10 @@ public class TaskList extends Node {
mIndex = 1; mIndex = 1;
} }
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getCreateAction(int)
* JSONObject
*/
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -58,7 +63,7 @@ public class TaskList extends Node {
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
// entity_delta // entity_delta
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();//entity实体
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
@ -74,6 +79,10 @@ public class TaskList extends Node {
return js; return js;
} }
/* (non-Javadoc)
* @see net.micode.notes.gtask.data.Node#getUpdateAction(int)
* JSONObject
*/
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -216,10 +225,19 @@ public class TaskList extends Node {
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
/**
* @return
* TaskListmChildren
*/
public int getChildTaskCount() { public int getChildTaskCount() {
return mChildren.size(); return mChildren.size();
} }
/**
* @param task
* @return
*
*/
public boolean addChildTask(Task task) { public boolean addChildTask(Task task) {
boolean ret = false; boolean ret = false;
if (task != null && !mChildren.contains(task)) { if (task != null && !mChildren.contains(task)) {
@ -229,11 +247,19 @@ public class TaskList extends Node {
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
.get(mChildren.size() - 1)); .get(mChildren.size() - 1));
task.setParent(this); task.setParent(this);
//注意每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改
//,接下来几个函数都有相关操作
} }
} }
return ret; return ret;
} }
/**
* @param task
* @param index
* @return
*
*/
public boolean addChildTask(Task task, int index) { public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) { if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index"); Log.e(TAG, "add child task: invalid index");
@ -260,6 +286,11 @@ public class TaskList extends Node {
return true; return true;
} }
/**
* @param task
* @return
* TaskListTask
*/
public boolean removeChildTask(Task task) { public boolean removeChildTask(Task task) {
boolean ret = false; boolean ret = false;
int index = mChildren.indexOf(task); int index = mChildren.indexOf(task);
@ -281,6 +312,12 @@ public class TaskList extends Node {
return ret; return ret;
} }
/**
* @param task
* @param index
* @return
* TaskListTaskindex
*/
public boolean moveChildTask(Task task, int index) { public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
@ -297,8 +334,14 @@ public class TaskList extends Node {
if (pos == index) if (pos == index)
return true; return true;
return (removeChildTask(task) && addChildTask(task, index)); return (removeChildTask(task) && addChildTask(task, index));
//利用已实现好的功能完成当下功能;
} }
/**
* @param gid
* @return
* gidTask
*/
public Task findChildTaskByGid(String gid) { public Task findChildTaskByGid(String gid) {
for (int i = 0; i < mChildren.size(); i++) { for (int i = 0; i < mChildren.size(); i++) {
Task t = mChildren.get(i); Task t = mChildren.get(i);
@ -309,10 +352,20 @@ public class TaskList extends Node {
return null; return null;
} }
/**
* @param task
* @return
* Taskindex
*/
public int getChildTaskIndex(Task task) { public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task); return mChildren.indexOf(task);
} }
/**
* @param index
* @return
* indexTask
*/
public Task getChildTaskByIndex(int index) { public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index"); Log.e(TAG, "getTaskByIndex: invalid index");
@ -321,8 +374,13 @@ public class TaskList extends Node {
return mChildren.get(index); return mChildren.get(index);
} }
/**
* @param gid
* @return
* gidTask
*/
public Task getChilTaskByGid(String gid) { public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) { for (Task task : mChildren) {//一种常见的ArrayList的遍历方法四种见精读笔记
if (task.getGid().equals(gid)) if (task.getGid().equals(gid))
return task; return task;
} }
@ -340,4 +398,4 @@ public class TaskList extends Node {
public int getIndex() { public int getIndex() {
return this.mIndex; return this.mIndex;
} }
} }

@ -14,15 +14,28 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.exception; /*
* Description便
*/
public class ActionFailureException extends RuntimeException { package net.micode.notes.gtask.exception;
public class ActionFailureException extends RuntimeException {
private static final long serialVersionUID = 4425249765923293627L; private static final long serialVersionUID = 4425249765923293627L;
/*
* serialVersionUIDjava
* serialVersionUID
*/
public ActionFailureException() { public ActionFailureException() {
super(); super();
} }
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
*/
public ActionFailureException(String paramString) { public ActionFailureException(String paramString) {
super(paramString); super(paramString);
} }
@ -30,4 +43,5 @@ public class ActionFailureException extends RuntimeException {
public ActionFailureException(String paramString, Throwable paramThrowable) { public ActionFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable); super(paramString, paramThrowable);
} }
} }

@ -14,15 +14,29 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.exception; /*
* Description便
*/
public class NetworkFailureException extends Exception { package net.micode.notes.gtask.exception;
public class NetworkFailureException extends Exception {
private static final long serialVersionUID = 2107610287180234136L; private static final long serialVersionUID = 2107610287180234136L;
/*
* serialVersionUIDjava
* serialVersionUID
*/
public NetworkFailureException() { public NetworkFailureException() {
super(); super();
} }
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
*/
public NetworkFailureException(String paramString) { public NetworkFailureException(String paramString) {
super(paramString); super(paramString);
} }
@ -30,4 +44,5 @@ public class NetworkFailureException extends Exception {
public NetworkFailureException(String paramString, Throwable paramThrowable) { public NetworkFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable); super(paramString, paramThrowable);
} }
} }

@ -15,21 +15,29 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote; package net.micode.notes.gtask.remote;
import android.app.Notification; import android.app.Notification;
import android.app.NotificationManager; import android.app.NotificationManager;
import android.app.PendingIntent; import android.app.PendingIntent;
import android.content.Context; import android.content.Context;
import android.content.Intent; import android.content.Intent;
import android.os.AsyncTask; import android.os.AsyncTask;
import net.micode.notes.R; import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity; import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity; import net.micode.notes.ui.NotesPreferenceActivity;
/*GTask
*
* private void showNotification(int tickerId, String content)
* protected Integer doInBackground(Void... unused) 线
* protected void onProgressUpdate(String... progress) 使 线
* 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;
@ -57,7 +65,7 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
mTaskManager.cancelSync(); mTaskManager.cancelSync();
} }
public void publishProgess(String message) { public void publishProgess(String message) { // 发布进度单位系统将会调用onProgressUpdate()方法更新这些值
publishProgress(new String[] { publishProgress(new String[] {
message message
}); });
@ -66,43 +74,43 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private void showNotification(int tickerId, String content) { private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis()); .getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS; notification.defaults = Notification.DEFAULT_LIGHTS; // 调用系统自带灯光
notification.flags = Notification.FLAG_AUTO_CANCEL; notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失
PendingIntent pendingIntent; PendingIntent pendingIntent; //一个描述了想要启动一个Activity、Broadcast或是Service的意图
if (tickerId != R.string.ticker_success) { if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0); NotesPreferenceActivity.class), 0); //如果同步不成功那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象
} else { } else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0); NotesListActivity.class), 0); //如果同步成功那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象
} }
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent); pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify方法来执行一个notification的消息
} }
@Override @Override
protected Integer doInBackground(Void... unused) { protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext))); .getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中
return mTaskManager.sync(mContext, this); return mTaskManager.sync(mContext, this); //进行后台同步具体操作
} }
@Override @Override
protected void onProgressUpdate(String... progress) { protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]); showNotification(R.string.ticker_syncing, progress[0]);
if (mContext instanceof GTaskSyncService) { if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例
((GTaskSyncService) mContext).sendBroadcast(progress[0]); ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
} }
} }
@Override @Override
protected void onPostExecute(Integer result) { protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果
if (result == GTaskManager.STATE_SUCCESS) { if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString( showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount())); R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间
} else if (result == GTaskManager.STATE_NETWORK_ERROR) { } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) { } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
@ -110,14 +118,14 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) { } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled)); .getString(R.string.error_sync_cancelled));
} } //几种不同情况下的结果显示
if (mOnCompleteListener != null) { if (mOnCompleteListener != null) {
new Thread(new Runnable() { new Thread(new Runnable() { //这里好像是方法内的一个线程,但是并不太懂什么意思
public void run() { public void run() { //完成后的操作使用onComplete()将所有值都重新初始化,相当于完成一次操作
mOnCompleteListener.onComplete(); mOnCompleteListener.onComplete();
} }
}).start(); }).start();
} }
} }
} }

@ -14,57 +14,62 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote; package net.micode.notes.gtask.remote;
import android.accounts.Account; import android.accounts.Account;
import android.accounts.AccountManager; import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture; import android.accounts.AccountManagerFuture;
import android.app.Activity; import android.app.Activity;
import android.os.Bundle; import android.os.Bundle;
import android.text.TextUtils; import android.text.TextUtils;
import android.util.Log; import android.util.Log;
import net.micode.notes.gtask.data.Node; import net.micode.notes.gtask.data.Node;
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.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity; import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity; import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse; import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException; import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie; import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore; import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair; import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams; import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams; import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams; import org.apache.http.params.HttpProtocolParams;
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.io.BufferedReader; import java.io.BufferedReader;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.LinkedList; import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.zip.GZIPInputStream; import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater; import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream; import java.util.zip.InflaterInputStream;
public class GTaskClient {
/*
* GTASKGTASK
* 使accountManager JSONObject HttpParams authToken Gid
*/
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/"; private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
@ -102,6 +107,10 @@ public class GTaskClient {
mUpdateArray = null; mUpdateArray = null;
} }
/*
* 使 getInstance()
* mInstance
*/
public static synchronized GTaskClient getInstance() { public static synchronized GTaskClient getInstance() {
if (mInstance == null) { if (mInstance == null) {
mInstance = new GTaskClient(); mInstance = new GTaskClient();
@ -109,42 +118,50 @@ public class GTaskClient {
return mInstance; return mInstance;
} }
/*Activity
*
* 使URL使URL
* truefalse
*/
public boolean login(Activity activity) { public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes // we suppose that the cookie would expire after 5 minutes
// then we need to re-login // then we need to re-login
//判断距离最后一次登录操作是否超过5分钟
final long interval = 1000 * 60 * 5; final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) { if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false; mLoggedin = false;
} }
// need to re-login after account switch // need to re-login after account switch 重新登录操作
if (mLoggedin if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) { .getSyncAccountName(activity))) {
mLoggedin = false; mLoggedin = false;
} }
//如果没超过时间,则不需要重新登录
if (mLoggedin) { if (mLoggedin) {
Log.d(TAG, "already logged in"); Log.d(TAG, "already logged in");
return true; return true;
} }
mLastLoginTime = System.currentTimeMillis(); mLastLoginTime = System.currentTimeMillis();//更新最后登录时间,改为系统当前的时间
String authToken = loginGoogleAccount(activity, false); String authToken = loginGoogleAccount(activity, false);//判断是否登录到谷歌账户
if (authToken == null) { if (authToken == null) {
Log.e(TAG, "login google account failed"); Log.e(TAG, "login google account failed");
return false; return false;
} }
// login with custom domain if necessary // login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //尝试使用用户自己的域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //将用户账号名改为统一格式(小写)后判断是否为一个谷歌账号地址
.endsWith("googlemail.com"))) { .endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/"); StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1; int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index); String suffix = mAccount.name.substring(index);
url.append(suffix + "/"); url.append(suffix + "/");
mGetUrl = url.toString() + "ig"; mGetUrl = url.toString() + "ig"; //设置用户对应的getUrl
mPostUrl = url.toString() + "r/ig"; mPostUrl = url.toString() + "r/ig"; //设置用户对应的postUrl
if (tryToLoginGtask(activity, authToken)) { if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true; mLoggedin = true;
@ -152,6 +169,7 @@ public class GTaskClient {
} }
// try to login with google official url // try to login with google official url
//如果用户账户无法登录则使用谷歌官方的URI进行登录
if (!mLoggedin) { if (!mLoggedin) {
mGetUrl = GTASK_GET_URL; mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL; mPostUrl = GTASK_POST_URL;
@ -164,10 +182,15 @@ public class GTaskClient {
return true; return true;
} }
/*
* 使
* 使AccountManager
*
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) { private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken; String authToken; //令牌,是登录操作保证安全性的一个方法
AccountManager accountManager = AccountManager.get(activity); AccountManager accountManager = AccountManager.get(activity);//AccountManager这个类给用户提供了集中注册账号的接口
Account[] accounts = accountManager.getAccountsByType("com.google"); Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account
if (accounts.length == 0) { if (accounts.length == 0) {
Log.e(TAG, "there is no available google account"); Log.e(TAG, "there is no available google account");
@ -176,6 +199,7 @@ public class GTaskClient {
String accountName = NotesPreferenceActivity.getSyncAccountName(activity); String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null; Account account = null;
//遍历获得的accounts信息寻找已经记录过的账户信息
for (Account a : accounts) { for (Account a : accounts) {
if (a.name.equals(accountName)) { if (a.name.equals(accountName)) {
account = a; account = a;
@ -190,11 +214,13 @@ public class GTaskClient {
} }
// get the token now // get the token now
//获取选中账号的令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null); "goanna_mobile", null, activity, null, null);
try { try {
Bundle authTokenBundle = accountManagerFuture.getResult(); Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
//如果是invalidateToken那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
if (invalidateToken) { if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken); accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false); loginGoogleAccount(activity, false);
@ -207,10 +233,12 @@ public class GTaskClient {
return authToken; return authToken;
} }
//尝试登陆Gtask这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法
private boolean tryToLoginGtask(Activity activity, String authToken) { private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) { if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the // maybe the auth token is out of authTokedate, now let's invalidate the
// token and try again // token and try again
//删除过一个无效的authToken申请一个新的后再次尝试登陆
authToken = loginGoogleAccount(activity, true); authToken = loginGoogleAccount(activity, true);
if (authToken == null) { if (authToken == null) {
Log.e(TAG, "login google account failed"); Log.e(TAG, "login google account failed");
@ -225,25 +253,27 @@ public class GTaskClient {
return true; return true;
} }
//实现登录GTask的具体操作
private boolean loginGtask(String authToken) { private boolean loginGtask(String authToken) {
int timeoutConnection = 10000; int timeoutConnection = 10000;
int timeoutSocket = 15000; int timeoutSocket = 15000; //socket是一种通信连接实现数据的交换的端口
HttpParams httpParameters = new BasicHttpParams(); HttpParams httpParameters = new BasicHttpParams(); //实例化一个新的HTTP参数类
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间
mHttpClient = new DefaultHttpClient(httpParameters); mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); BasicCookieStore localBasicCookieStore = new BasicCookieStore(); //设置本地cookie
mHttpClient.setCookieStore(localBasicCookieStore); mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask // login gtask
try { try {
String loginUrl = mGetUrl + "?auth=" + authToken; String loginUrl = mGetUrl + "?auth=" + authToken; //设置登录的url
HttpGet httpGet = new HttpGet(loginUrl); HttpGet httpGet = new HttpGet(loginUrl); //通过登录的uri实例化网页上资源的查找
HttpResponse response = null; HttpResponse response = null;
response = mHttpClient.execute(httpGet); response = mHttpClient.execute(httpGet);
// get the cookie now // get the cookie now
//获取CookieStore里存放的cookie,看如果存有“GTL(不知道什么意思)”则说明有验证成功的有效的cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies(); List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false; boolean hasAuthCookie = false;
for (Cookie cookie : cookies) { for (Cookie cookie : cookies) {
@ -256,6 +286,7 @@ public class GTaskClient {
} }
// get the client version // get the client version
//获取client的内容具体操作是在返回的Content中截取从_setup(开始到)}</script>中间的字符串内容也就是gtask_url的内容
String resString = getResponseContent(response.getEntity()); String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup("; String jsBegin = "_setup(";
String jsEnd = ")}</script>"; String jsEnd = ")}</script>";
@ -284,6 +315,10 @@ public class GTaskClient {
return mActionId++; return mActionId++;
} }
/*
* 使HttpPost
* httpPost
*/
private HttpPost createHttpPost() { private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl); HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -291,24 +326,28 @@ public class GTaskClient {
return httpPost; return httpPost;
} }
/*URL
* 使getContentEncoding()
*
*/
private String getResponseContent(HttpEntity entity) throws IOException { private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null; String contentEncoding = null;
if (entity.getContentEncoding() != null) { if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象如果不为空则使用getContent方法创建一个流将数据从网络都过来
contentEncoding = entity.getContentEncoding().getValue(); contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding); Log.d(TAG, "encoding: " + contentEncoding);
} }
InputStream input = entity.getContent(); InputStream input = entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库
input = new GZIPInputStream(entity.getContent()); input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法它可以实现无损数据压缩
Inflater inflater = new Inflater(true); Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater); input = new InflaterInputStream(entity.getContent(), inflater);
} }
try { try {
InputStreamReader isr = new InputStreamReader(input); InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr);//是一个包装类,它可以包装字符流,将字符流放入缓存里,先把字符读到缓存里,到缓存满了时候,再读入内存,是为了提供读的效率而设计的
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
while (true) { while (true) {
@ -323,20 +362,28 @@ public class GTaskClient {
} }
} }
/*JSON
* jsonjs
* UrlEncodedFormEntity entityhttpPost.setEntity(entity)jshttpPost
* 使getResponseContent
* json
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException { private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) { if (!mLoggedin) {//未登录
Log.e(TAG, "please login first"); Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in"); throw new ActionFailureException("not logged in");
} }
//实例化一个httpPost的对象用来向服务器传输数据在这里就是发送请求而请求的内容在js里
HttpPost httpPost = createHttpPost(); HttpPost httpPost = createHttpPost();
try { try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString())); list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); //UrlEncodedFormEntity()的形式比较单一,是普通的键值对
httpPost.setEntity(entity); httpPost.setEntity(entity);
// execute the post // execute the post
//执行这个请求
HttpResponse response = mHttpClient.execute(httpPost); HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity()); String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString); return new JSONObject(jsString);
@ -360,6 +407,12 @@ public class GTaskClient {
} }
} }
/*
* .gtask.data.TaskTask
* jsonTask,jsPost
* postRequest
* 使task.setGidtasknew_ID
*/
public void createTask(Task task) throws NetworkFailureException { public void createTask(Task task) throws NetworkFailureException {
commitUpdate(); commitUpdate();
try { try {
@ -386,6 +439,9 @@ public class GTaskClient {
} }
} }
/*
* createTasktasklistgid
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException { public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate(); commitUpdate();
try { try {
@ -412,6 +468,11 @@ public class GTaskClient {
} }
} }
/*
*
* 使JSONObject使jsPost.putPutUpdateArrayClientVersion
* 使postRequestjspost,
*/
public void commitUpdate() throws NetworkFailureException { public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) { if (mUpdateArray != null) {
try { try {
@ -433,6 +494,10 @@ public class GTaskClient {
} }
} }
/*
*
* commitUpdate()
*/
public void addUpdateNode(Node node) throws NetworkFailureException { public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) { if (node != null) {
// too many update items may result in an error // too many update items may result in an error
@ -447,6 +512,12 @@ public class GTaskClient {
} }
} }
/*
* task,tasktask
* getGidtaskgid
* JSONObject.put(String name, Object value)task
* postRequest
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent) public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException { throws NetworkFailureException {
commitUpdate(); commitUpdate();
@ -463,15 +534,17 @@ public class GTaskClient {
if (preParent == curParent && task.getPriorSibling() != null) { if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and // put prioring_sibing_id only if moving within the tasklist and
// it is not the first one // it is not the first one
//设置优先级ID只有当移动是发生在文件中
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling()); action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
} }
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); //设置移动前所属列表
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); //设置当前所属列表
if (preParent != curParent) { if (preParent != curParent) {
// put the dest_list only if moving between tasklists // put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
} }
actionList.put(action); actionList.put(action);
//最后将ACTION_LIST加入到jsPost中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version // client_version
@ -486,6 +559,11 @@ public class GTaskClient {
} }
} }
/*
*
* JSON
* 使postRequest
*/
public void deleteNode(Node node) throws NetworkFailureException { public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate(); commitUpdate();
try { try {
@ -494,7 +572,7 @@ public class GTaskClient {
// action_list // action_list
node.setDeleted(true); node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId())); actionList.put(node.getUpdateAction(getActionId())); //这里会获取到删除操作的ID加入到actionLiast中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version // client_version
@ -509,6 +587,11 @@ public class GTaskClient {
} }
} }
/*
*
* GetURI使getResponseContent
* "_setup(")}</script>GTASK_JSON_LISTS
*/
public JSONArray getTaskLists() throws NetworkFailureException { public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) { if (!mLoggedin) {
Log.e(TAG, "please login first"); Log.e(TAG, "please login first");
@ -521,6 +604,7 @@ public class GTaskClient {
response = mHttpClient.execute(httpGet); response = mHttpClient.execute(httpGet);
// get the task list // get the task list
//筛选工作把筛选出的字符串放入jsString
String resString = getResponseContent(response.getEntity()); String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup("; String jsBegin = "_setup(";
String jsEnd = ")}</script>"; String jsEnd = ")}</script>";
@ -531,6 +615,7 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end); jsString = resString.substring(begin + jsBegin.length(), end);
} }
JSONObject js = new JSONObject(jsString); JSONObject js = new JSONObject(jsString);
//获取GTASK_JSON_LISTS
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) { } catch (ClientProtocolException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
@ -547,6 +632,9 @@ public class GTaskClient {
} }
} }
/*
* TASKListgid,
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException { public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate(); commitUpdate();
try { try {
@ -558,7 +646,7 @@ public class GTaskClient {
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); //这里设置为传入的listGid
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action); actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
@ -579,7 +667,8 @@ public class GTaskClient {
return mAccount; return mAccount;
} }
//重置更新的内容
public void resetUpdateArray() { public void resetUpdateArray() {
mUpdateArray = null; mUpdateArray = null;
} }
} }

@ -13,107 +13,109 @@
* 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;
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;
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;
public static final int STATE_INTERNAL_ERROR = 2; public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3; public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4; public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null; private static GTaskManager mInstance = null;
private Activity mActivity; private Activity mActivity;
private Context mContext; private Context mContext;
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
private boolean mSyncing; private boolean mSyncing;
private boolean mCancelled; private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap; private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap; private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap; private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList; private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap; private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid; private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid; private HashMap<Long, String> mNidToGid;
private GTaskManager() { private GTaskManager() { //对象初始化函数
mSyncing = false; mSyncing = false; //正在同步,flase代表未执行
mCancelled = false; mCancelled = false; //全局标识flase代表可以执行
mGTaskListHashMap = new HashMap<String, TaskList>(); mGTaskListHashMap = new HashMap<String, TaskList>(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。
mGTaskHashMap = new HashMap<String, Node>(); mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>(); mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null; mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>(); mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>(); mGidToNid = new HashMap<String, Long>(); //GoogleID to NodeID??
mNidToGid = new HashMap<Long, String>(); mNidToGid = new HashMap<Long, String>(); //NodeID to GoogleID???通过hashmap散列表建立映射
} }
public static synchronized GTaskManager getInstance() { /**
* synchronized线
*
* @author TTS
* @return GtaskManger
*/
public static synchronized GTaskManager getInstance() { //可能运行在多线程环境下,使用语言级同步--synchronized
if (mInstance == null) { if (mInstance == null) {
mInstance = new GTaskManager(); mInstance = new GTaskManager();
} }
return mInstance; return mInstance;
} }
/**
* synchronized线
* @author TTS
* @param activity
*/
public synchronized void setActivityContext(Activity activity) { public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken // used for getting auth token
mActivity = activity; mActivity = activity;
} }
public int sync(Context context, GTaskASyncTask asyncTask) { /**
*
*
* @author TTS
* @param context-----
* @param asyncTask-------
* @return int
*/
public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数
if (mSyncing) { if (mSyncing) {
Log.d(TAG, "Sync is in progress"); Log.d(TAG, "Sync is in progress"); //创建日志文件调试信息debug
return STATE_SYNC_IN_PROGRESS; return STATE_SYNC_IN_PROGRESS;
} }
mContext = context; mContext = context;
@ -128,8 +130,8 @@ public class GTaskManager {
mNidToGid.clear(); mNidToGid.clear();
try { try {
GTaskClient client = GTaskClient.getInstance(); GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例,client--客户机
client.resetUpdateArray(); client.resetUpdateArray(); //JSONArray类型reset即置为NULL
// login google task // login google task
if (!mCancelled) { if (!mCancelled) {
@ -140,15 +142,15 @@ public class GTaskManager {
// get the task list from google // get the task list from google
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList(); initGTaskList(); //获取Google上的JSONtasklist转为本地TaskList
// do content sync work // do content sync work
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent(); syncContent();
} catch (NetworkFailureException e) { } catch (NetworkFailureException e) { //分为两种异常,此类异常为网络异常
Log.e(TAG, e.toString()); Log.e(TAG, e.toString()); //创建日志文件调试信息error
return STATE_NETWORK_ERROR; return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) { } catch (ActionFailureException e) { //此类异常为操作异常
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR; return STATE_INTERNAL_ERROR;
} catch (Exception e) { } catch (Exception e) {
@ -168,32 +170,41 @@ public class GTaskManager {
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS; return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
} }
/**
*GtaskListGoogleJSONtasklistTaskList
*mMetaListmGTaskListHashMapmGTaskHashMap
*@author TTS
*@exception NetworkFailureException
*@return void
*/
private void initGTaskList() throws NetworkFailureException { private void initGTaskList() throws NetworkFailureException {
if (mCancelled) if (mCancelled)
return; return;
GTaskClient client = GTaskClient.getInstance(); GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例client应指远端客户机
try { try {
JSONArray jsTaskLists = client.getTaskLists(); //Json对象是Name Value对(即子元素)的无序集合相当于一个Map对象。JsonObject类是bantouyan-json库对Json对象的抽象提供操纵Json对象的各种方法。
//其格式为{"key1":value1,"key2",value2....};key 必须是字符串。
//因为ajax请求不刷新页面但配合js可以实现局部刷新因此json常常被用来作为异步请求的返回对象使用。
JSONArray jsTaskLists = client.getTaskLists(); //原注释为get task list------lists
// init meta list first // init meta list first
mMetaList = null; mMetaList = null; //TaskList类型
for (int i = 0; i < jsTaskLists.length(); i++) { for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i); JSONObject object = jsTaskLists.getJSONObject(i); //JSONObject与JSONArray一个为对象一个为数组。此处取出单个JASONObject
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { mMetaList = new TaskList(); //MetaList意为元表,Tasklist类型此处为初始化
mMetaList = new TaskList(); mMetaList.setContentByRemoteJSON(object); //将JSON中部分数据复制到自己定义的对象中相对应的数据name->mname...
mMetaList.setContentByRemoteJSON(object);
// load meta data // load meta data
JSONArray jsMetas = client.getTaskList(gid); JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list------list
for (int j = 0; j < jsMetas.length(); j++) { for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j); object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData(); MetaData metaData = new MetaData(); //继承自Node
metaData.setContentByRemoteJSON(object); metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) { if (metaData.isWorthSaving()) { //if not worth to savemetadata将不加入mMetaList
mMetaList.addChildTask(metaData); mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) { if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData); mMetaHashMap.put(metaData.getRelatedGid(), metaData);
@ -214,16 +225,16 @@ public class GTaskManager {
// init task list // init task list
for (int i = 0; i < jsTaskLists.length(); i++) { for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i); JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); //通过getString函数传入本地某个标志数据的名称获取其在远端的名称。
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX && !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) { + GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList(); TaskList tasklist = new TaskList(); //继承自Node
tasklist.setContentByRemoteJSON(object); tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist); mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist); mGTaskHashMap.put(gid, tasklist); //为什么加两遍???
// load tasks // load tasks
JSONArray jsTasks = client.getTaskList(gid); JSONArray jsTasks = client.getTaskList(gid);
@ -247,13 +258,18 @@ public class GTaskManager {
} }
} }
private void syncContent() throws NetworkFailureException { /**
*
* @throws NetworkFailureException
* @return
*/
private void syncContent() throws NetworkFailureException { //本地内容同步操作
int syncType; int syncType;
Cursor c = null; Cursor c = null; //数据库指针
String gid; String gid; //GoogleID??
Node node; Node node; //Node包含Sync_Action的不同类型
mLocalDeleteIdMap.clear(); mLocalDeleteIdMap.clear(); //HashSet<Long>类型
if (mCancelled) { if (mCancelled) {
return; return;
@ -301,8 +317,8 @@ public class GTaskManager {
node = mGTaskHashMap.get(gid); node = mGTaskHashMap.get(gid);
if (node != null) { if (node != null) {
mGTaskHashMap.remove(gid); mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); //通过hashmap建立联系
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); //通过hashmap建立联系
syncType = node.getSyncAction(c); syncType = node.getSyncAction(c);
} else { } else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
@ -327,14 +343,14 @@ public class GTaskManager {
} }
// go through remaining items // go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator(); Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器
while (iter.hasNext()) { while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next(); Map.Entry<String, Node> entry = iter.next();
node = entry.getValue(); node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
} }
// mCancelled can be set by another thread, so we neet to check one by // mCancelled can be set by another thread, so we neet to check one by //thread----线程
// one // one
// clear local delete table // clear local delete table
if (!mCancelled) { if (!mCancelled) {
@ -351,6 +367,11 @@ public class GTaskManager {
} }
/**
*
* @author TTS
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException { private void syncFolder() throws NetworkFailureException {
Cursor c = null; Cursor c = null;
String gid; String gid;
@ -476,6 +497,14 @@ public class GTaskManager {
GTaskClient.getInstance().commitUpdate(); GTaskClient.getInstance().commitUpdate();
} }
/**
* syncTypeaddLocalNodeaddRemoteNodedeleteNodeupdateLocalNodeupdateRemoteNode
* @author TTS
* @param syncType
* @param node
* @param c
* @throws NetworkFailureException
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -522,6 +551,12 @@ public class GTaskManager {
} }
} }
/**
* Node
* @author TTS
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException { private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -596,6 +631,15 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
} }
/**
* updatenode
* @author TTS
* @param node
* ----
* @param c
* ----Cursor
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -619,12 +663,22 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
} }
/**
* Node
* updateRemoteMeta
* @author TTS
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
} }
SqlNote sqlNote = new SqlNote(mContext, c); SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
Node n; Node n;
// update remotely // update remotely
@ -634,11 +688,12 @@ public class GTaskManager {
String parentGid = mNidToGid.get(sqlNote.getParentId()); String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) { if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist"); Log.e(TAG, "cannot find task's parent tasklist"); //调试信息
throw new ActionFailureException("cannot add remote task"); throw new ActionFailureException("cannot add remote task");
} }
mGTaskListHashMap.get(parentGid).addChildTask(task); mGTaskListHashMap.get(parentGid).addChildTask(task); //在本地生成的GTaskList中增加子结点
//登录远程服务器创建Task
GTaskClient.getInstance().createTask(task); GTaskClient.getInstance().createTask(task);
n = (Node) task; n = (Node) task;
@ -656,6 +711,7 @@ public class GTaskManager {
else else
folderName += sqlNote.getSnippet(); folderName += sqlNote.getSnippet();
//iterator迭代器通过统一的接口迭代所有的map元素
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator(); Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) { while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next(); Map.Entry<String, TaskList> entry = iter.next();
@ -687,11 +743,20 @@ public class GTaskManager {
sqlNote.resetLocalModified(); sqlNote.resetLocalModified();
sqlNote.commit(true); sqlNote.commit(true);
// gid-id mapping // gid-id mapping //创建id间的映射
mGidToNid.put(n.getGid(), sqlNote.getId()); mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid()); mNidToGid.put(sqlNote.getId(), n.getGid());
} }
/**
* Nodemeta(updateRemoteMeta)
* @author TTS
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
@ -701,7 +766,7 @@ public class GTaskManager {
// update remotely // update remotely
node.setContentByLocalJSON(sqlNote.getContent()); node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node); GTaskClient.getInstance().addUpdateNode(node); //GTaskClient用途为从本地登陆远端服务器
// update meta // update meta
updateRemoteMeta(node.getGid(), sqlNote); updateRemoteMeta(node.getGid(), sqlNote);
@ -710,15 +775,19 @@ public class GTaskManager {
if (sqlNote.isNoteType()) { if (sqlNote.isNoteType()) {
Task task = (Task) node; Task task = (Task) node;
TaskList preParentList = task.getParent(); TaskList preParentList = task.getParent();
//preParentList为通过node获取的父节点列表
String curParentGid = mNidToGid.get(sqlNote.getParentId()); String curParentGid = mNidToGid.get(sqlNote.getParentId());
//curParentGid为通过光标在数据库中找到sqlNote的mParentId再通过mNidToGid由long类型转为String类型的Gid
if (curParentGid == null) { if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist"); Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task"); throw new ActionFailureException("cannot update remote task");
} }
TaskList curParentList = mGTaskListHashMap.get(curParentGid); TaskList curParentList = mGTaskListHashMap.get(curParentGid);
//通过HashMap找到对应Gid的TaskList
if (preParentList != curParentList) { if (preParentList != curParentList) { //?????????????
preParentList.removeChildTask(task); preParentList.removeChildTask(task);
curParentList.addChildTask(task); curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList); GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
@ -727,9 +796,19 @@ public class GTaskManager {
// clear local modified flag // clear local modified flag
sqlNote.resetLocalModified(); sqlNote.resetLocalModified();
//commit到本地数据库
sqlNote.commit(true); sqlNote.commit(true);
} }
/**
* meta meta----------
* @author TTS
* @param gid
* ---GoogleIDString
* @param sqlNote
* ---使SqlNote
* @throws NetworkFailureException
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) { if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid); MetaData metaData = mMetaHashMap.get(gid);
@ -746,12 +825,18 @@ public class GTaskManager {
} }
} }
/**
* syncID
* @author TTS
* @return void
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException { private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) { if (mCancelled) {
return; return;
} }
// get the latest gtask list // get the latest gtask list //获取最近的(最晚的)gtask list
mGTaskHashMap.clear(); mGTaskHashMap.clear();
mGTaskListHashMap.clear(); mGTaskListHashMap.clear();
mMetaHashMap.clear(); mMetaHashMap.clear();
@ -762,16 +847,16 @@ public class GTaskManager {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] { "(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC"); }, NoteColumns.TYPE + " DESC"); //query语句五个参数NoteColumns.TYPE + " DESC"-----为按类型递减顺序返回查询结果。new String[] {String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)}------为选择参数。"(type<>? AND parent_id<>?)"-------指明返回行过滤器。SqlNote.PROJECTION_NOTE--------应返回的数据列的名字。Notes.CONTENT_NOTE_URI--------contentProvider包含所有数据集所对应的uri
if (c != null) { if (c != null) {
while (c.moveToNext()) { while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN); String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid); Node node = mGTaskHashMap.get(gid);
if (node != null) { if (node != null) {
mGTaskHashMap.remove(gid); mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues(); ContentValues values = new ContentValues(); //在ContentValues中创建键值对。准备通过contentResolver写入数据
values.put(NoteColumns.SYNC_ID, node.getLastModified()); values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, //进行批量更改选择参数为NULL应该可以用insert替换参数分别为表名和需要更新的value对象。
c.getLong(SqlNote.ID_COLUMN)), values, null, null); c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else { } else {
Log.e(TAG, "something is missed"); Log.e(TAG, "something is missed");
@ -790,11 +875,20 @@ public class GTaskManager {
} }
} }
/**
* ,mAccount.name
* @author TTS
* @return String
*/
public String getSyncAccount() { public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name; return GTaskClient.getInstance().getSyncAccount().name;
} }
/**
* mCancelledtrue
* @author TTS
*/
public void cancelSync() { public void cancelSync() {
mCancelled = true; mCancelled = true;
} }
} }

@ -13,17 +13,33 @@
* 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;
/*
* Service
*
* private void startSync()
* private void cancelSync()
* public void onCreate()
* public int onStartCommand(Intent intent, int flags, int startId) serviceserviceservice
* public void onLowMemory() serviceservice
* public IBinder onBind()
* public void sendBroadcast(String msg)
* public static void startSync(Activity activity)
* public static void cancelSync(Context context)
* public static boolean isSyncing()
* public static String getProgressString()
*/
package net.micode.notes.gtask.remote; public class GTaskSyncService extends Service {
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
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;
@ -42,6 +58,7 @@ public class GTaskSyncService extends Service {
private static String mSyncProgress = ""; private static String mSyncProgress = "";
//开始一个同步的工作
private void startSync() { private void startSync() {
if (mSyncTask == null) { if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
@ -52,10 +69,11 @@ public class GTaskSyncService extends Service {
} }
}); });
sendBroadcast(""); sendBroadcast("");
mSyncTask.execute(); mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行
} }
} }
private void cancelSync() { private void cancelSync() {
if (mSyncTask != null) { if (mSyncTask != null) {
mSyncTask.cancelSync(); mSyncTask.cancelSync();
@ -63,7 +81,7 @@ public class GTaskSyncService extends Service {
} }
@Override @Override
public void onCreate() { public void onCreate() { //初始化一个service
mSyncTask = null; mSyncTask = null;
} }
@ -72,6 +90,7 @@ public class GTaskSyncService extends Service {
Bundle bundle = intent.getExtras(); Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
//两种情况,开始同步或者取消同步
case ACTION_START_SYNC: case ACTION_START_SYNC:
startSync(); startSync();
break; break;
@ -81,7 +100,7 @@ public class GTaskSyncService extends Service {
default: default:
break; break;
} }
return START_STICKY; return START_STICKY; //等待新的intent来是这个service继续运行
} }
return super.onStartCommand(intent, flags, startId); return super.onStartCommand(intent, flags, startId);
} }
@ -93,26 +112,26 @@ public class GTaskSyncService extends Service {
} }
} }
public IBinder onBind(Intent intent) { public IBinder onBind(Intent intent) { //不知道干吗用的
return null; return null;
} }
public void sendBroadcast(String msg) { public void sendBroadcast(String msg) {
mSyncProgress = msg; mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent); sendBroadcast(intent); //发送这个通知
} }
public static void startSync(Activity activity) { public static void startSync(Activity activity) {//执行一个serviceservice的内容里的同步动作就是开始同步
GTaskManager.getInstance().setActivityContext(activity); GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class); Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent); activity.startService(intent);
} }
public static void cancelSync(Context context) { public static void cancelSync(Context context) {//执行一个serviceservice的内容里的同步动作就是取消同步
Intent intent = new Intent(context, GTaskSyncService.class); Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent); context.startService(intent);
@ -125,4 +144,4 @@ public class GTaskSyncService extends Service {
public static String getProgressString() { public static String getProgressString() {
return mSyncProgress; return mSyncProgress;
} }
} }

@ -1,43 +1,21 @@
/*
* 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
*/ */
@ -49,16 +27,17 @@ 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); values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格
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);
} }
@ -68,37 +47,37 @@ 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) {
@ -128,16 +107,16 @@ public class Note {
} }
return true; return true;
} }//判断数据是否同步
private class NoteData { 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 long mTextDataId; private long mTextDataId;
private ContentValues mTextDataValues; private ContentValues mTextDataValues;//文本数据
private long mCallDataId; private long mCallDataId;
private ContentValues mCallDataValues; private ContentValues mCallDataValues;//电话号码数据
private static final String TAG = "NoteData"; private static final String TAG = "NoteData";
@ -147,7 +126,7 @@ 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;
} }
@ -177,17 +156,17 @@ 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; ContentProviderOperation.Builder builder = null;//数据库的操作列表
if(mTextDataValues.size() > 0) { if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId); mTextDataValues.put(DataColumns.NOTE_ID, noteId);
@ -209,7 +188,7 @@ 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);
@ -231,7 +210,7 @@ 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 {
@ -246,7 +225,7 @@ 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;
} }
} }

@ -1,37 +1,5 @@
/*
* 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;
@ -43,17 +11,11 @@ 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";
@ -62,6 +24,7 @@ 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,
@ -72,6 +35,7 @@ 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,
@ -82,27 +46,18 @@ 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
private WorkingNote(Context context, long folderId) { public WorkingNote(Context context, long folderId) {
mContext = context; mContext = context;
mAlertDate = 0; mAlertDate = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();
@ -114,6 +69,7 @@ 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;
@ -124,11 +80,14 @@ 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);
@ -139,6 +98,7 @@ 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);
@ -146,6 +106,7 @@ 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[] {
@ -153,7 +114,8 @@ public class WorkingNote {
}, null); }, null);
if (cursor != null) { if (cursor != null) {
if (cursor.moveToFirst()) { // 查到信息不为空
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)) {
@ -165,7 +127,7 @@ 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()); } while (cursor.moveToNext());//查阅所有项,直到为空
} }
cursor.close(); cursor.close();
} else { } else {
@ -174,9 +136,12 @@ 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);
@ -187,9 +152,10 @@ 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()) { if (isWorthSaving()) { //是否值得保存
if (!existInDatabase()) { if (!existInDatabase()) { // 是否存在数据库中
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;
@ -212,11 +178,14 @@ 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;
@ -225,10 +194,14 @@ 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;
@ -239,16 +212,20 @@ 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) { if (id != mBgColorId) { //设定条件 id != mBgColorId
mBgColorId = id; mBgColorId = id;
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onBackgroundColorChanged(); mNoteSettingStatusListener.onBackgroundColorChanged();
@ -257,8 +234,10 @@ 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) { if (mMode != mode) { //设定条件 mMode != mode
if (mNoteSettingStatusListener != null) { if (mNoteSettingStatusListener != null) {
mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
} }
@ -267,81 +246,108 @@ public class WorkingNote {
} }
} }
// 设定WidgetType
// 参数type
public void setWidgetType(int type) { public void setWidgetType(int type) {
if (type != mWidgetType) { if (type != mWidgetType) {//设定条件 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) { if (id != mWidgetId) {//设定条件 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)) { if (!TextUtils.equals(mContent, text)) {//设定条件 mContent, text内容不同
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

@ -14,33 +14,48 @@
* 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;
public class BackupUtils { //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
//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);
@ -53,22 +68,26 @@ public class BackupUtils {
* 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());
} }
@ -339,6 +358,7 @@ public class BackupUtils {
return null; return null;
} }
} }

@ -14,28 +14,47 @@
* 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) {
@ -292,4 +311,5 @@ public class DataUtils {
} }
return snippet; return snippet;
} }
} }

@ -14,6 +14,24 @@
* 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 {

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

@ -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,
@ -224,4 +224,5 @@ public class NoteItemData {
public static int getNoteType(Cursor cursor) { public static int getNoteType(Cursor cursor) {
return cursor.getInt(TYPE_COLUMN); return cursor.getInt(TYPE_COLUMN);
} }
} }

@ -14,39 +14,161 @@
* 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 android.appwidget.AppWidgetManager; import net.micode.notes.R;
import android.content.Context; import net.micode.notes.data.Notes;
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;
import net.micode.notes.R; public abstract class NoteWidgetProvider extends AppWidgetProvider {
import net.micode.notes.data.Notes; public static final String [] PROJECTION = new String [] {
import net.micode.notes.tool.ResourceParser; NoteColumns.ID,
NoteColumns.BG_COLOR_ID,
NoteColumns.SNIPPET
};
// NoteWidgetProvider_2x 类是 NoteWidgetProvider 的子类,用于特定类型的小部件 public static final int COLUMN_ID = 0;
public class NoteWidgetProvider_2x extends NoteWidgetProvider { public static final int COLUMN_BG_COLOR_ID = 1;
public static final int COLUMN_SNIPPET = 2;
private static final String TAG = "NoteWidgetProvider";
@Override @Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { // 当小部件从主屏幕中被删除时调用的方法
// 调用父类的 update 方法以执行小部件更新操作 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
);
}
} }
// 获取小部件的布局资源 ID // 获取与小部件相关的笔记信息的方法
@Override // 参数 context上下文对象用于访问内容提供程序
protected int getLayoutId() { // 参数 widgetId要获取信息的小部件的唯一标识符
return R.layout.widget_2x; // 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
);
} }
// 获取与小部件类型相关的背景资源 ID // update 方法的重载,用于执行小部件更新操作
@Override // 参数 context上下文对象用于访问资源和小部件管理器
protected int getBgResourceId(int bgId) { // 参数 appWidgetManager小部件管理器用于更新小部件
return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId); // 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);
} }
// 获取小部件的类型,此处返回 Notes.TYPE_WIDGET_2X
@Override // update 方法,用于更新小部件
protected int getWidgetType() { // 参数 context上下文对象用于访问资源和小部件管理器
return Notes.TYPE_WIDGET_2X; // 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) {
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());
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
rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent);
// 更新小部件
appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
}
}
}
protected abstract int getBgResourceId(int bgId);
protected abstract int getLayoutId();
protected abstract int getWidgetType();
}
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