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doc/小米便签开源代码的泛读报告.docx
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/*
* 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.tool;
import android.content.Context;
import android.database.Cursor;
import android.os.Environment;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import net.micode.notes.R;
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 java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
/**
* 备份工具类
* 提供将便签数据导出为文本文件的功能
*/
public class BackupUtils {
private static final String TAG = "BackupUtils"; // 日志标签
// 单例模式
private static BackupUtils sInstance;
/**
* 获取BackupUtils实例(单例模式)
* @param context 上下文对象
* @return BackupUtils实例
*/
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
}
return sInstance;
}
/**
* 备份状态常量
*/
public static final int STATE_SD_CARD_UNMOUONTED = 0; // SD卡未挂载
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; // 备份文件不存在
public static final int STATE_DATA_DESTROIED = 2; // 数据格式不正确
public static final int STATE_SYSTEM_ERROR = 3; // 系统错误
public static final int STATE_SUCCESS = 4; // 备份/恢复成功
private TextExport mTextExport; // 文本导出工具
/**
* 私有构造函数
* @param context 上下文对象
*/
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
}
/**
* 检查外部存储是否可用
* @return 外部存储是否可用
*/
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
/**
* 导出便签到文本文件
* @return 导出状态
*/
public int exportToText() {
return mTextExport.exportToText();
}
/**
* 获取导出的文本文件名
* @return 文件名
*/
public String getExportedTextFileName() {
return mTextExport.mFileName;
}
/**
* 获取导出的文本文件目录
* @return 文件目录
*/
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
}
/**
* 文本导出内部类
*/
private static class TextExport {
// 便签查询投影列
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
NoteColumns.MODIFIED_DATE,
NoteColumns.SNIPPET,
NoteColumns.TYPE
};
// 便签查询列索引
private static final int NOTE_COLUMN_ID = 0;
private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
private static final int NOTE_COLUMN_SNIPPET = 2;
// 数据查询投影列
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
DataColumns.DATA1,
DataColumns.DATA2,
DataColumns.DATA3,
DataColumns.DATA4,
};
// 数据查询列索引
private static final int DATA_COLUMN_CONTENT = 0;
private static final int DATA_COLUMN_MIME_TYPE = 1;
private static final int DATA_COLUMN_CALL_DATE = 2;
private static final int DATA_COLUMN_PHONE_NUMBER = 4;
// 文本格式数组
private final String[] TEXT_FORMAT;
// 文本格式索引
private static final int FORMAT_FOLDER_NAME = 0; // 文件夹名称格式
private static final int FORMAT_NOTE_DATE = 1; // 便签日期格式
private static final int FORMAT_NOTE_CONTENT = 2; // 便签内容格式
private Context mContext; // 上下文对象
private String mFileName; // 文件名
private String mFileDirectory; // 文件目录
/**
* 构造函数
* @param context 上下文对象
*/
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
}
/**
* 获取指定格式
* @param id 格式索引
* @return 格式字符串
*/
private String getFormat(int id) {
return TEXT_FORMAT[id];
}
/**
* 导出文件夹内容到文本
* @param folderId 文件夹ID
* @param ps 打印流
*/
private void exportFolderToText(String folderId, PrintStream ps) {
// 查询属于该文件夹的便签
Cursor notesCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.PARENT_ID + "=?",
new String[]{folderId},
null);
if (notesCursor != null) {
if (notesCursor.moveToFirst()) {
do {
// 打印便签的最后修改日期
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)));
// 查询属于该便签的数据
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (notesCursor.moveToNext());
}
notesCursor.close();
}
}
/**
* 导出便签内容到文本
* @param noteId 便签ID
* @param ps 打印流
*/
private void exportNoteToText(String noteId, PrintStream ps) {
Cursor dataCursor = mContext.getContentResolver().query(
Notes.CONTENT_DATA_URI,
DATA_PROJECTION,
DataColumns.NOTE_ID + "=?",
new String[]{noteId},
null);
if (dataCursor != null) {
if (dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
if (DataConstants.CALL_NOTE.equals(mimeType)) {
// 打印电话号码
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(phoneNumber)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
phoneNumber));
}
// 打印通话日期
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
.format(mContext.getString(R.string.format_datetime_mdhm),
callDate));
// 打印通话附件位置
if (!TextUtils.isEmpty(location)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
location));
}
} else if (DataConstants.NOTE.equals(mimeType)) {
String content = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(content)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
content));
}
}
} while (dataCursor.moveToNext());
}
dataCursor.close();
}
// 打印便签分隔符
try {
ps.write(new byte[]{
Character.LINE_SEPARATOR, Character.LETTER_NUMBER
});
} catch (IOException e) {
Log.e(TAG, e.toString());
}
}
/**
* 将便签导出为文本
* @return 导出状态
*/
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
}
PrintStream ps = getExportToTextPrintStream();
if (ps == null) {
Log.e(TAG, "get print stream error");
return STATE_SYSTEM_ERROR;
}
// 首先导出文件夹及其便签
Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
"(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+ NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER,
null,
null);
if (folderCursor != null) {
if (folderCursor.moveToFirst()) {
do {
// 打印文件夹名称
String folderName = "";
if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
folderName = mContext.getString(R.string.call_record_folder_name);
} else {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
}
if (!TextUtils.isEmpty(folderName)) {
ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
}
String folderId = folderCursor.getString(NOTE_COLUMN_ID);
exportFolderToText(folderId, ps);
} while (folderCursor.moveToNext());
}
folderCursor.close();
}
// 导出根文件夹中的便签
Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID
+ "=0",
null,
null);
if (noteCursor != null) {
if (noteCursor.moveToFirst()) {
do {
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)));
// 查询属于该便签的数据
String noteId = noteCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (noteCursor.moveToNext());
}
noteCursor.close();
}
ps.close();
return STATE_SUCCESS;
}
/**
* 获取导出文本的打印流
* @return 打印流
*/
private PrintStream getExportToTextPrintStream() {
File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
R.string.file_name_txt_format);
if (file == null) {
Log.e(TAG, "create file to exported failed");
return null;
}
mFileName = file.getName();
mFileDirectory = mContext.getString(R.string.file_path);
PrintStream ps = null;
try {
FileOutputStream fos = new FileOutputStream(file);
ps = new PrintStream(fos);
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (NullPointerException e) {
e.printStackTrace();
return null;
}
return ps;
}
}
/**
* 在SD卡上生成导出文件
* @param context 上下文对象
* @param filePathResId 文件路径资源ID
* @param fileNameFormatResId 文件名格式资源ID
* @return 文件对象
*/
private static File generateFileMountedOnSDcard(Context context, int filePathResId,
int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
sb.append(Environment.getExternalStorageDirectory());
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
try {
if (!filedir.exists()) {
filedir.mkdir();
}
if (!file.exists()) {
file.createNewFile();
}
return file;
} catch (SecurityException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}

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/*
* 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.tool;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
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.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
/**
* 数据操作工具类
* 提供批量操作便签的实用方法
*/
public class DataUtils {
public static final String TAG = "DataUtils"; // 日志标签
/**
* 批量删除便签
* @param resolver ContentResolver对象
* @param ids 要删除的便签ID集合
* @return 是否删除成功
*/
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
if (ids.size() == 0) {
Log.d(TAG, "no id is in the hashset");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
/**
* 移动便签到指定文件夹
* @param resolver ContentResolver对象
* @param id 要移动的便签ID
* @param srcFolderId 源文件夹ID
* @param desFolderId 目标文件夹ID
*/
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
ContentValues values = new ContentValues();
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
}
/**
* 批量移动便签到指定文件夹
* @param resolver ContentResolver对象
* @param ids 要移动的便签ID集合
* @param folderId 目标文件夹ID
* @return 是否移动成功
*/
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build());
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
/**
* 获取除系统文件夹外的用户文件夹数量
* @param resolver ContentResolver对象
* @return 用户文件夹数量
*/
public static int getUserFolderCount(ContentResolver resolver) {
Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
int count = 0;
if(cursor != null) {
if(cursor.moveToFirst()) {
try {
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
cursor.close();
}
}
}
return count;
}
/**
* 检查便签在数据库中是否可见
* @param resolver ContentResolver对象
* @param noteId 便签ID
* @param type 便签类型
* @return 是否可见
*/
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查便签是否存在于数据库中
* @param resolver ContentResolver对象
* @param noteId 便签ID
* @return 是否存在
*/
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查数据项是否存在于数据库中
* @param resolver ContentResolver对象
* @param dataId 数据ID
* @return 是否存在
*/
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查可见文件夹名称是否已存在
* @param resolver ContentResolver对象
* @param name 文件夹名称
* @return 是否已存在
*/
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[] { name }, null);
boolean exist = false;
if(cursor != null) {
if(cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 获取文件夹中便签的小部件属性
* @param resolver ContentResolver对象
* @param folderId 文件夹ID
* @return 小部件属性集合
*/
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
new String[] { String.valueOf(folderId) },
null);
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
if (c.moveToFirst()) {
set = new HashSet<AppWidgetAttribute>();
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
}
c.close();
}
return set;
}
/**
* 根据便签ID获取电话号码
* @param resolver ContentResolver对象
* @param noteId 便签ID
* @return 电话号码
*/
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.PHONE_NUMBER },
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
null);
if (cursor != null && cursor.moveToFirst()) {
try {
return cursor.getString(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call number fails " + e.toString());
} finally {
cursor.close();
}
}
return "";
}
/**
* 根据电话号码和通话日期获取便签ID
* @param resolver ContentResolver对象
* @param phoneNumber 电话号码
* @param callDate 通话日期
* @return 便签ID
*/
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String [] { CallNote.NOTE_ID },
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
+ CallNote.PHONE_NUMBER + ",?)",
new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber },
null);
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
return cursor.getLong(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
}
cursor.close();
}
return 0;
}
/**
* 根据便签ID获取内容片段
* @param resolver ContentResolver对象
* @param noteId 便签ID
* @return 内容片段
*/
public static String getSnippetById(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
if (cursor != null) {
String snippet = "";
if (cursor.moveToFirst()) {
snippet = cursor.getString(0);
}
cursor.close();
return snippet;
}
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
/**
* 格式化内容片段
* @param snippet 原始内容片段
* @return 格式化后的内容片段
*/
public static String getFormattedSnippet(String snippet) {
if (snippet != null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');
if (index != -1) {
snippet = snippet.substring(0, index);
}
}
return snippet;
}
}

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/*
* 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.tool;
/**
* Google Task相关字符串常量工具类
* 包含与Google Task API交互时使用的JSON字段名和常量值
*/
public class GTaskStringUtils {
// JSON字段名常量
public final static String GTASK_JSON_ACTION_ID = "action_id"; // 操作ID字段名
public final static String GTASK_JSON_ACTION_LIST = "action_list"; // 操作列表字段名
public final static String GTASK_JSON_ACTION_TYPE = "action_type"; // 操作类型字段名
// 操作类型常量值
public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create"; // 创建操作
public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; // 获取全部操作
public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move"; // 移动操作
public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update"; // 更新操作
// 其他JSON字段名
public final static String GTASK_JSON_CREATOR_ID = "creator_id"; // 创建者ID
public final static String GTASK_JSON_CHILD_ENTITY = "child_entity"; // 子实体
public final static String GTASK_JSON_CLIENT_VERSION = "client_version"; // 客户端版本
public final static String GTASK_JSON_COMPLETED = "completed"; // 完成状态
public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id"; // 当前列表ID
public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id"; // 默认列表ID
public final static String GTASK_JSON_DELETED = "deleted"; // 删除状态
public final static String GTASK_JSON_DEST_LIST = "dest_list"; // 目标列表
public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; // 目标父项
public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; // 目标父项类型
public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; // 实体变更
public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; // 实体类型
public final static String GTASK_JSON_GET_DELETED = "get_deleted"; // 获取已删除项
public final static String GTASK_JSON_ID = "id"; // ID字段
public final static String GTASK_JSON_INDEX = "index"; // 索引字段
public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; // 最后修改时间
public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; // 最新同步点
public final static String GTASK_JSON_LIST_ID = "list_id"; // 列表ID
public final static String GTASK_JSON_LISTS = "lists"; // 列表集合
public final static String GTASK_JSON_NAME = "name"; // 名称字段
public final static String GTASK_JSON_NEW_ID = "new_id"; // 新ID
public final static String GTASK_JSON_NOTES = "notes"; // 笔记集合
public final static String GTASK_JSON_PARENT_ID = "parent_id"; // 父ID
public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; // 前一个兄弟ID
public final static String GTASK_JSON_RESULTS = "results"; // 结果集合
public final static String GTASK_JSON_SOURCE_LIST = "source_list"; // 源列表
public final static String GTASK_JSON_TASKS = "tasks"; // 任务集合
public final static String GTASK_JSON_TYPE = "type"; // 类型字段
// 实体类型常量值
public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; // 组类型
public final static String GTASK_JSON_TYPE_TASK = "TASK"; // 任务类型
// 用户相关字段
public final static String GTASK_JSON_USER = "user"; // 用户字段
// 文件夹名称常量
public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; // MIUI笔记文件夹前缀
public final static String FOLDER_DEFAULT = "Default"; // 默认文件夹名称
public final static String FOLDER_CALL_NOTE = "Call_Note"; // 通话记录文件夹名称
public final static String FOLDER_META = "METADATA"; // 元数据文件夹名称
// 元数据相关字段
public final static String META_HEAD_GTASK_ID = "meta_gid"; // 元数据中的GTask ID
public final static String META_HEAD_NOTE = "meta_note"; // 元数据中的笔记信息
public final static String META_HEAD_DATA = "meta_data"; // 元数据中的数据信息
public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; // 元数据笔记名称
}

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src/tool/ResourceParser.java
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/*
* 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.tool;
import android.content.Context;
import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* 资源解析工具类
* 用于获取不同主题和样式的资源ID
*/
public class ResourceParser {
// 颜色常量定义
public static final int YELLOW = 0; // 黄色主题
public static final int BLUE = 1; // 蓝色主题
public static final int WHITE = 2; // 白色主题
public static final int GREEN = 3; // 绿色主题
public static final int RED = 4; // 红色主题
// 默认背景颜色
public static final int BG_DEFAULT_COLOR = YELLOW;
// 字体大小常量定义
public static final int TEXT_SMALL = 0; // 小号字体
public static final int TEXT_MEDIUM = 1; // 中号字体
public static final int TEXT_LARGE = 2; // 大号字体
public static final int TEXT_SUPER = 3; // 超大号字体
// 默认字体大小
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
/**
* 便签背景资源类
*/
public static class NoteBgResources {
// 编辑界面背景资源数组
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow, // 黄色背景
R.drawable.edit_blue, // 蓝色背景
R.drawable.edit_white, // 白色背景
R.drawable.edit_green, // 绿色背景
R.drawable.edit_red // 红色背景
};
// 编辑界面标题背景资源数组
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow, // 黄色标题背景
R.drawable.edit_title_blue, // 蓝色标题背景
R.drawable.edit_title_white, // 白色标题背景
R.drawable.edit_title_green, // 绿色标题背景
R.drawable.edit_title_red // 红色标题背景
};
/**
* 获取便签背景资源ID
* @param id 背景索引
* @return 背景资源ID
*/
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
/**
* 获取便签标题背景资源ID
* @param id 背景索引
* @return 标题背景资源ID
*/
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
/**
* 获取默认背景ID
* @param context 上下文对象
* @return 背景ID
*/
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
// 如果设置了随机背景颜色，则随机返回一个背景ID
return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
} else {
// 否则返回默认背景ID
return BG_DEFAULT_COLOR;
}
}
/**
* 便签列表项背景资源类
*/
public static class NoteItemBgResources {
// 列表第一项背景资源数组
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up, // 黄色第一项背景
R.drawable.list_blue_up, // 蓝色第一项背景
R.drawable.list_white_up, // 白色第一项背景
R.drawable.list_green_up, // 绿色第一项背景
R.drawable.list_red_up // 红色第一项背景
};
// 列表普通项背景资源数组
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle, // 黄色普通项背景
R.drawable.list_blue_middle, // 蓝色普通项背景
R.drawable.list_white_middle, // 白色普通项背景
R.drawable.list_green_middle, // 绿色普通项背景
R.drawable.list_red_middle // 红色普通项背景
};
// 列表最后一项背景资源数组
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down, // 黄色最后一项背景
R.drawable.list_blue_down, // 蓝色最后一项背景
R.drawable.list_white_down, // 白色最后一项背景
R.drawable.list_green_down, // 绿色最后一项背景
R.drawable.list_red_down, // 红色最后一项背景
};
// 列表单项背景资源数组(当列表只有一项时使用)
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single, // 黄色单项背景
R.drawable.list_blue_single, // 蓝色单项背景
R.drawable.list_white_single, // 白色单项背景
R.drawable.list_green_single, // 绿色单项背景
R.drawable.list_red_single // 红色单项背景
};
/**
* 获取列表第一项背景资源ID
* @param id 背景索引
* @return 第一项背景资源ID
*/
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
/**
* 获取列表最后一项背景资源ID
* @param id 背景索引
* @return 最后一项背景资源ID
*/
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
/**
* 获取列表单项背景资源ID
* @param id 背景索引
* @return 单项背景资源ID
*/
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
/**
* 获取列表普通项背景资源ID
* @param id 背景索引
* @return 普通项背景资源ID
*/
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
/**
* 获取文件夹背景资源ID
* @return 文件夹背景资源ID
*/
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
/**
* 小部件背景资源类
*/
public static class WidgetBgResources {
// 2x大小小部件背景资源数组
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow, // 黄色2x小部件背景
R.drawable.widget_2x_blue, // 蓝色2x小部件背景
R.drawable.widget_2x_white, // 白色2x小部件背景
R.drawable.widget_2x_green, // 绿色2x小部件背景
R.drawable.widget_2x_red, // 红色2x小部件背景
};
/**
* 获取2x大小小部件背景资源ID
* @param id 背景索引
* @return 2x小部件背景资源ID
*/
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
// 4x大小小部件背景资源数组
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow, // 黄色4x小部件背景
R.drawable.widget_4x_blue, // 蓝色4x小部件背景
R.drawable.widget_4x_white, // 白色4x小部件背景
R.drawable.widget_4x_green, // 绿色4x小部件背景
R.drawable.widget_4x_red // 红色4x小部件背景
};
/**
* 获取4x大小小部件背景资源ID
* @param id 背景索引
* @return 4x小部件背景资源ID
*/
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
/**
* 文本外观资源类
*/
public static class TextAppearanceResources {
// 文本外观资源数组
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal, // 普通文本外观
R.style.TextAppearanceMedium, // 中等文本外观
R.style.TextAppearanceLarge, // 大号文本外观
R.style.TextAppearanceSuper // 超大号文本外观
};
/**
* 获取文本外观资源ID
* @param id 外观索引
* @return 文本外观资源ID
*/
public static int getTexAppearanceResource(int id) {
/**
* HACKME: 修复在SharedPreference中存储资源ID的bug。
* 当ID大于资源数组长度时，返回默认字体大小
*/
if (id >= TEXTAPPEARANCE_RESOURCES.length) {
return BG_DEFAULT_FONT_SIZE;
}
return TEXTAPPEARANCE_RESOURCES[id];
}
/**
* 获取文本外观资源数量
* @return 资源数量
*/
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}
}
}
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