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wmx

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wangmingxing 1 day ago
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commit 2da4bf6b84
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223
src/net/micode/notes/tool/BackupUtils.java
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@ -36,56 +36,59 @@ import java.io.IOException;
import java.io.PrintStream;
好的，我将为`BackupUtils.java`文件中的每个语句提供更细致的注释：
```java
public class BackupUtils {
private static final String TAG = "BackupUtils";
// Singleton stuff
private static BackupUtils sInstance;
private static final String TAG = "BackupUtils"; // 定义日志标签，用于识别日志输出的来源
private static BackupUtils sInstance; // 声明一个静态实例变量，用于实现单例模式
// 提供一个公共的静态方法，用于获取BackupUtils的单例实例
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
sInstance = new BackupUtils(context); // 如果实例不存在，则新建一个实例
}
return sInstance;
return sInstance; // 返回单例实例
}
/**
* Following states are signs to represents backup or restore
* status
*/
// Currently, the sdcard is not mounted
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs
public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails
public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success
public static final int STATE_SUCCESS = 4;
// 定义一系列状态码，用于表示备份或恢复的状态
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，可能被其他程序更改
public static final int STATE_SYSTEM_ERROR = 3; // 系统错误，导致备份或恢复失败
public static final int STATE_SUCCESS = 4; // 备份或恢复成功
private TextExport mTextExport;
private TextExport mTextExport; // TextExport对象，用于将数据导出到文本
// BackupUtils的私有构造函数，传入Context对象
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
mTextExport = new TextExport(context); // 初始化TextExport对象
}
// 检查外部存储（SD卡）是否可用
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); // 比较存储状态是否为已挂载
}
// 导出数据到文本文件，并返回操作结果状态码
public int exportToText() {
return mTextExport.exportToText();
return mTextExport.exportToText(); // 调用TextExport对象的exportToText方法
}
// 获取导出文本文件的文件名
public String getExportedTextFileName() {
return mTextExport.mFileName;
return mTextExport.mFileName; // 返回TextExport对象中保存的文件名
}
// 获取导出文本文件的目录路径
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
return mTextExport.mFileDirectory; // 返回TextExport对象中保存的文件目录
}
// 内部类TextExport，封装了将笔记数据导出到文本文件的逻辑
private static class TextExport {
// 定义查询笔记信息时需要的字段
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
NoteColumns.MODIFIED_DATE,
@ -93,12 +96,12 @@ public class BackupUtils {
NoteColumns.TYPE
};
// 定义NOTE_PROJECTION数组中各个字段的索引
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;
// 定义查询笔记数据时需要的字段
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
@ -108,93 +111,88 @@ public class BackupUtils {
DataColumns.DATA4,
};
// 定义DATA_PROJECTION数组中各个字段的索引
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;
private final String [] TEXT_FORMAT;
// 用于格式化导出文本的字符串数组
private final String[] TEXT_FORMAT;
// 定义格式化字符串数组中的索引
private static final int FORMAT_FOLDER_NAME = 0;
private static final int FORMAT_NOTE_DATE = 1;
private static final int FORMAT_NOTE_CONTENT = 2;
private Context mContext;
private String mFileName;
private String mFileDirectory;
private Context mContext; // 应用程序上下文
private String mFileName; // 导出文本文件的文件名
private String mFileDirectory; // 导出文本文件的目录
// TextExport类的构造函数，初始化上下文和格式化字符串数组
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); // 从资源文件中获取格式化字符串数组
mContext = context; // 保存上下文对象
mFileName = ""; // 初始化文件名为空字符串
mFileDirectory = ""; // 初始化文件目录为空字符串
}
// 根据索引获取格式化字符串
private String getFormat(int id) {
return TEXT_FORMAT[id];
return TEXT_FORMAT[id]; // 返回格式化字符串数组中指定索引的字符串
}
/**
* Export the folder identified by folder id to text
*/
// 导出指定文件夹ID的笔记到文本
private void exportFolderToText(String folderId, PrintStream ps) {
// Query notes belong to this folder
// 查询属于该文件夹的笔记
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 {
// Print note's last modified date
// 打印笔记的最后修改日期
ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
mContext.getString(R.string.format_datetime_mdhm),
notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
// Query data belong to this note
// 查询属于该笔记的数据
String noteId = notesCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (notesCursor.moveToNext());
}
notesCursor.close();
notesCursor.close(); // 关闭游标
}
}
/**
* Export note identified by id to a print stream
*/
// 导出指定ID的笔记到文本
private void exportNoteToText(String noteId, PrintStream ps) {
// 查询笔记数据
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)) {
// Print phone number
// 如果MIME类型为通话笔记，则打印电话号码、通话日期和位置
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));
}
// Print call date
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
.format(mContext.getString(R.string.format_datetime_mdhm),
callDate)));
// Print call attachment location
if (!TextUtils.isEmpty(location)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
location));
}
} else if (DataConstants.NOTE.equals(mimeType)) {
// 如果MIME类型为普通笔记，则打印笔记内容
String content = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(content)) {
ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
@ -203,9 +201,9 @@ public class BackupUtils {
}
} while (dataCursor.moveToNext());
}
dataCursor.close();
dataCursor.close(); // 关闭游标
}
// print a line separator between note
// 打印笔记之间的分隔符
try {
ps.write(new byte[] {
Character.LINE_SEPARATOR, Character.LETTER_NUMBER
@ -215,130 +213,37 @@ public class BackupUtils {
}
}
/**
* Note will be exported as text which is user readable
*/
// 执行导出操作，将笔记数据导出为用户可读的文本格式
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
Log.d(TAG, "Media was not mounted"); // 如果SD卡未挂载，则记录日志并返回状态码
return STATE_SD_CARD_UNMOUONTED;
}
PrintStream ps = getExportToTextPrintStream();
PrintStream ps = getExportToTextPrintStream(); // 获取指向导出文本文件的PrintStream对象
if (ps == null) {
Log.e(TAG, "get print stream error");
Log.e(TAG, "get print stream error"); // 如果获取PrintStream失败，则记录日志并返回状态码
return STATE_SYSTEM_ERROR;
}
// First export folder and its notes
// 查询所有文件夹和其笔记，除了垃圾箱文件夹和通话记录文件夹
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 {
// Print folder's name
// 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);
folderName = mContext.getString(R.string.call_record_folder_name); // 如果是通话记录文件夹，则使用资源文件中的名称
} else {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); // 否则，使用查询到的文件夹名称
}
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();
}
// Export notes in root's folder
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))));
// Query data belong to this note
String noteId = noteCursor.getString(NOTE_COLUMN_ID);
exportNoteToText(noteId, ps);
} while (noteCursor.moveToNext());
}
noteCursor.close();
}
ps.close();
return STATE_SUCCESS;
}
/**
* Get a print stream pointed to the file {@generateExportedTextFile}
*/
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;
}
}
/**
* Generate the text file to store imported data
*/
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;
}
}
exportFolderToText(folderId

277
src/net/micode/notes/tool/DataUtils.java
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@ -34,262 +34,161 @@ import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
/**
* 工具类，提供对笔记数据的操作方法。
*/
public class DataUtils {
public static final String TAG = "DataUtils";
public static final String TAG = "DataUtils"; // 定义日志标签
/**
* 批量删除笔记。
* @param resolver ContentResolver实例，用于访问数据。
* @param ids 要删除的笔记ID集合。
* @return 如果删除成功返回true，否则返回false。
*/
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) {
if (ids == null) { // 检查传入的ID集合是否为空
Log.d(TAG, "the ids is null");
return true;
}
if (ids.size() == 0) {
if (ids.size() == 0) { // 检查ID集合是否为空
Log.d(TAG, "no id is in the hashset");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); // 操作列表，用于批量操作
for (long id : ids) {
if(id == Notes.ID_ROOT_FOLDER) {
if(id == Notes.ID_ROOT_FOLDER) { // 检查是否尝试删除根文件夹，这是不允许的
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());
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); // 构建删除操作
operationList.add(builder.build()); // 将删除操作添加到操作列表
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); // 执行批量操作
if (results == null || results.length == 0 || results[0] == null) { // 检查操作结果
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
} catch (RemoteException e) { // 捕获远程异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
} catch (OperationApplicationException e) { // 捕获操作应用异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
return false; // 发生异常时返回false
}
/**
* 将笔记移动到另一个文件夹。
* @param resolver ContentResolver实例，用于访问数据。
* @param id 要移动的笔记ID。
* @param srcFolderId 当前文件夹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);
ContentValues values = new ContentValues(); // 创建ContentValues对象，用于更新数据
values.put(NoteColumns.PARENT_ID, desFolderId); // 设置新的父ID，即目标文件夹ID
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); // 设置原始的父ID，即当前文件夹ID
values.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记笔记为本地修改
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); // 更新笔记数据
}
/**
* 批量将笔记移动到指定文件夹。
* @param resolver ContentResolver实例，用于访问数据。
* @param ids 要移动的笔记ID集合。
* @param folderId 目标文件夹ID。
* @return 如果移动成功返回true，否则返回false。
*/
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
if (ids == null) { // 检查传入的ID集合是否为空
Log.d(TAG, "the ids is null");
return true;
}
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>(); // 操作列表，用于批量操作
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());
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); // 构建更新操作
builder.withValue(NoteColumns.PARENT_ID, folderId); // 设置新的父ID，即目标文件夹ID
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); // 标记笔记为本地修改
operationList.add(builder.build()); // 将更新操作添加到操作列表
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
if (results == null || results.length == 0 || results[0] == null) {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); // 执行批量操作
if (results == null || results.length == 0 || results[0] == null) { // 检查操作结果
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
} catch (RemoteException e) { // 捕获远程异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
} catch (OperationApplicationException e) { // 捕获操作应用异常
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
return false; // 发生异常时返回false
}
/**
* Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}}
* 获取用户文件夹的数量（不包括系统文件夹）。
* @param resolver ContentResolver实例，用于访问数据。
* @return 用户文件夹的数量。
*/
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)},
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, // 查询笔记内容URI
new String[] { "COUNT(*)" }, // 查询计数
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", // 查询条件，类型为文件夹且不是垃圾箱
new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, // 查询参数
null);
int count = 0;
if(cursor != null) {
if(cursor.moveToFirst()) {
if (cursor != null) { // 检查游标是否为空
if (cursor.moveToFirst()) { // 移动到游标的第一行
try {
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
count = cursor.getInt(0); // 获取文件夹数量
} catch (IndexOutOfBoundsException e) { // 捕获索引越界异常
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
cursor.close();
cursor.close(); // 关闭游标
}
}
}
return count;
return count; // 返回文件夹数量
}
/**
* 检查笔记在数据库中是否可见。
* @param resolver ContentResolver实例，用于访问数据。
* @param noteId 笔记ID。
* @param type 笔记类型。
* @return 如果笔记可见返回true，否则返回false。
*/
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)},
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), // 查询笔记URI
null, // 无特定列
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, // 查询条件，类型匹配且不在垃圾箱
new String[] {String.valueOf(type)}, // 查询参数
null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
if (cursor != null) { // 检查游标是否为空
if (cursor.getCount() > 0) { // 检查查询结果数量
exist = true; // 设置存在标志为true
}
cursor.close();
cursor.close(); // 关闭游标
}
return exist;
return exist; // 返回笔记是否存在
}
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;
}
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;
}
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;
}
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;
}
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 "";
}
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;
}
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);
}
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;
}
}
/**
* 检查笔记在数据库中是否存在。
* @param resolver ContentResolver实例，用于访问数据。
* @param noteId 笔记ID。
* @return 如果笔记存在返回true，否则返回false。
*/
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId)

91
src/net/micode/notes/tool/GTaskStringUtils.java
Unescape View File

@ -17,97 +17,98 @@
package net.micode.notes.tool;
public class GTaskStringUtils {
// 定义GTASK_JSON_ACTION_ID常量，用于标识动作ID
public final static String GTASK_JSON_ACTION_ID = "action_id";
// 定义GTASK_JSON_ACTION_LIST常量，用于标识动作列表
public final static String GTASK_JSON_ACTION_LIST = "action_list";
// 定义GTASK_JSON_ACTION_TYPE常量，用于标识动作类型
public final static String GTASK_JSON_ACTION_TYPE = "action_type";
// 定义GTASK_JSON_ACTION_TYPE_CREATE常量，表示创建动作
public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
// 定义GTASK_JSON_ACTION_TYPE_GETALL常量，表示获取所有动作
public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
// 定义GTASK_JSON_ACTION_TYPE_MOVE常量，表示移动动作
public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
// 定义GTASK_JSON_ACTION_TYPE_UPDATE常量，表示更新动作
public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
// 定义GTASK_JSON_CREATOR_ID常量，用于标识创建者ID
public final static String GTASK_JSON_CREATOR_ID = "creator_id";
// 定义GTASK_JSON_CHILD_ENTITY常量，用于标识子实体
public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
// 定义GTASK_JSON_CLIENT_VERSION常量，用于标识客户端版本
public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
// 定义GTASK_JSON_COMPLETED常量，用于标识任务是否完成
public final static String GTASK_JSON_COMPLETED = "completed";
// 定义GTASK_JSON_CURRENT_LIST_ID常量，用于标识当前列表ID
public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
// 定义GTASK_JSON_DEFAULT_LIST_ID常量，用于标识默认列表ID
public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
// 定义GTASK_JSON_DELETED常量，用于标识任务是否被删除
public final static String GTASK_JSON_DELETED = "deleted";
// 定义GTASK_JSON_DEST_LIST常量，用于标识目标列表
public final static String GTASK_JSON_DEST_LIST = "dest_list";
// 定义GTASK_JSON_DEST_PARENT常量，用于标识目标父任务
public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
// 定义GTASK_JSON_DEST_PARENT_TYPE常量，用于标识目标父任务类型
public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
// 定义GTASK_JSON_ENTITY_DELTA常量，用于标识实体变化
public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
// 定义GTASK_JSON_ENTITY_TYPE常量，用于标识实体类型
public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
// 定义GTASK_JSON_GET_DELETED常量，表示获取已删除的任务
public final static String GTASK_JSON_GET_DELETED = "get_deleted";
// 定义GTASK_JSON_ID常量，用于标识任务ID
public final static String GTASK_JSON_ID = "id";
// 定义GTASK_JSON_INDEX常量，用于标识任务在列表中的索引
public final static String GTASK_JSON_INDEX = "index";
// 定义GTASK_JSON_LAST_MODIFIED常量，用于标识任务最后修改时间
public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
// 定义GTASK_JSON_LATEST_SYNC_POINT常量，用于标识最新的同步点
public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
// 定义GTASK_JSON_LIST_ID常量，用于标识列表ID
public final static String GTASK_JSON_LIST_ID = "list_id";
// 定义GTASK_JSON_LISTS常量，用于标识列表集合
public final static String GTASK_JSON_LISTS = "lists";
// 定义GTASK_JSON_NAME常量，用于标识任务或列表的名称
public final static String GTASK_JSON_NAME = "name";
// 定义GTASK_JSON_NEW_ID常量，用于标识新的任务ID
public final static String GTASK_JSON_NEW_ID = "new_id";
// 定义GTASK_JSON_NOTES常量，用于标识任务的备注信息
public final static String GTASK_JSON_NOTES = "notes";
// 定义GTASK_JSON_PARENT_ID常量，用于标识父任务ID
public final static String GTASK_JSON_PARENT_ID = "parent_id";
// 定义GTASK_JSON_PRIOR_SIBLING_ID常量，用于标识前一个兄弟任务ID
public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
// 定义GTASK_JSON_RESULTS常量，用于标识操作结果
public final static String GTASK_JSON_RESULTS = "results";
// 定义GTASK_JSON_SOURCE_LIST常量，用于标识源列表
public final static String GTASK_JSON_SOURCE_LIST = "source_list";
// 定义GTASK_JSON_TASKS常量，用于标识任务集合
public final static String GTASK_JSON_TASKS = "tasks";
// 定义GTASK_JSON_TYPE常量，用于标识实体类型
public final static String GTASK_JSON_TYPE = "type";
// 定义GTASK_JSON_TYPE_GROUP常量，表示分组类型
public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
// 定义GTASK_JSON_TYPE_TASK常量，表示任务类型
public final static String GTASK_JSON_TYPE_TASK = "TASK";
// 定义GTASK_JSON_USER常量，用于标识用户信息
public final static String GTASK_JSON_USER = "user";
// 定义MIUI_FOLDER_PREFFIX常量，用于标识MIUI笔记的文件夹前缀
public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
// 定义FOLDER_DEFAULT常量，用于标识默认文件夹名称
public final static String FOLDER_DEFAULT = "Default";
// 定义FOLDER_CALL_NOTE常量，用于标识通话记录文件夹名称
public final static String FOLDER_CALL_NOTE = "Call_Note";
// 定义FOLDER_META常量，用于标识元数据文件夹名称
public final static String FOLDER_META = "METADATA";
// 定义META_HEAD_GTASK_ID常量，用于标识元数据中的GTask ID
public final static String META_HEAD_GTASK_ID = "meta_gid";
// 定义META_HEAD_NOTE常量，用于标识元数据中的笔记信息
public final static String META_HEAD_NOTE = "meta_note";
// 定义META_HEAD_DATA常量，用于标识元数据中的其他数据
public final static String META_HEAD_DATA = "meta_data";
// 定义META_NOTE_NAME常量，用于标识元数据笔记的名称，警告不要更新或删除
public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
}

43
src/net/micode/notes/tool/ResourceParser.java
Unescape View File

@ -22,24 +22,35 @@ import android.preference.PreferenceManager;
import net.micode.notes.R;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* 资源解析工具类，用于管理不同颜色和字体大小的资源ID。
*/
public class ResourceParser {
// 定义颜色常量
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
// 定义默认背景颜色常量
public static final int BG_DEFAULT_COLOR = YELLOW;
// 定义字体大小常量
public static final int TEXT_SMALL = 0;
public static final int TEXT_MEDIUM = 1;
public static final int TEXT_LARGE = 2;
public static final int TEXT_SUPER = 3;
// 定义默认字体大小常量
public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
/**
* 笔记背景资源类，用于获取不同颜色的笔记背景资源ID。
*/
public static class NoteBgResources {
// 定义编辑状态下不同颜色的笔记背景资源ID数组
private final static int [] BG_EDIT_RESOURCES = new int [] {
R.drawable.edit_yellow,
R.drawable.edit_blue,
@ -48,6 +59,7 @@ public class ResourceParser {
R.drawable.edit_red
};
// 定义编辑状态下不同颜色的笔记标题背景资源ID数组
private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
R.drawable.edit_title_yellow,
R.drawable.edit_title_blue,
@ -56,15 +68,21 @@ public class ResourceParser {
R.drawable.edit_title_red
};
// 获取编辑状态下指定颜色的笔记背景资源ID
public static int getNoteBgResource(int id) {
return BG_EDIT_RESOURCES[id];
}
// 获取编辑状态下指定颜色的笔记标题背景资源ID
public static int getNoteTitleBgResource(int id) {
return BG_EDIT_TITLE_RESOURCES[id];
}
}
/**
* 获取默认的背景ID。
* 如果设置了自定义背景颜色，则随机返回一个背景ID，否则返回默认背景ID。
*/
public static int getDefaultBgId(Context context) {
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
@ -74,7 +92,11 @@ public class ResourceParser {
}
}
/**
* 笔记项背景资源类，用于获取不同位置（首项、末项、单项、普通项）的笔记背景资源ID。
*/
public static class NoteItemBgResources {
// 定义列表中首项不同颜色的笔记背景资源ID数组
private final static int [] BG_FIRST_RESOURCES = new int [] {
R.drawable.list_yellow_up,
R.drawable.list_blue_up,
@ -83,6 +105,7 @@ public class ResourceParser {
R.drawable.list_red_up
};
// 定义列表中普通项不同颜色的笔记背景资源ID数组
private final static int [] BG_NORMAL_RESOURCES = new int [] {
R.drawable.list_yellow_middle,
R.drawable.list_blue_middle,
@ -91,6 +114,7 @@ public class ResourceParser {
R.drawable.list_red_middle
};
// 定义列表中末项不同颜色的笔记背景资源ID数组
private final static int [] BG_LAST_RESOURCES = new int [] {
R.drawable.list_yellow_down,
R.drawable.list_blue_down,
@ -99,6 +123,7 @@ public class ResourceParser {
R.drawable.list_red_down,
};
// 定义列表中单项不同颜色的笔记背景资源ID数组
private final static int [] BG_SINGLE_RESOURCES = new int [] {
R.drawable.list_yellow_single,
R.drawable.list_blue_single,
@ -107,28 +132,37 @@ public class ResourceParser {
R.drawable.list_red_single
};
// 获取列表中首项指定颜色的笔记背景资源ID
public static int getNoteBgFirstRes(int id) {
return BG_FIRST_RESOURCES[id];
}
// 获取列表中末项指定颜色的笔记背景资源ID
public static int getNoteBgLastRes(int id) {
return BG_LAST_RESOURCES[id];
}
// 获取列表中单项指定颜色的笔记背景资源ID
public static int getNoteBgSingleRes(int id) {
return BG_SINGLE_RESOURCES[id];
}
// 获取列表中普通项指定颜色的笔记背景资源ID
public static int getNoteBgNormalRes(int id) {
return BG_NORMAL_RESOURCES[id];
}
// 获取文件夹背景资源ID
public static int getFolderBgRes() {
return R.drawable.list_folder;
}
}
/**
* 部件背景资源类，用于获取不同大小（2x2和4x4）的部件背景资源ID。
*/
public static class WidgetBgResources {
// 定义2x2大小不同颜色的部件背景资源ID数组
private final static int [] BG_2X_RESOURCES = new int [] {
R.drawable.widget_2x_yellow,
R.drawable.widget_2x_blue,
@ -137,10 +171,12 @@ public class ResourceParser {
R.drawable.widget_2x_red,
};
// 获取2x2大小指定颜色的部件背景资源ID
public static int getWidget2xBgResource(int id) {
return BG_2X_RESOURCES[id];
}
// 定义4x4大小不同颜色的部件背景资源ID数组
private final static int [] BG_4X_RESOURCES = new int [] {
R.drawable.widget_4x_yellow,
R.drawable.widget_4x_blue,
@ -149,12 +185,17 @@ public class ResourceParser {
R.drawable.widget_4x_red
};
// 获取4x4大小指定颜色的部件背景资源ID
public static int getWidget4xBgResource(int id) {
return BG_4X_RESOURCES[id];
}
}
/**
* 文本外观资源类，用于获取不同大小的文本外观资源ID。
*/
public static class TextAppearanceResources {
// 定义不同大小的文本外观资源ID数组
private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
R.style.TextAppearanceNormal,
R.style.TextAppearanceMedium,
@ -162,6 +203,7 @@ public class ResourceParser {
R.style.TextAppearanceSuper
};
// 获取指定大小的文本外观资源ID
public static int getTexAppearanceResource(int id) {
/**
* HACKME: Fix bug of store the resource id in shared preference.
@ -174,6 +216,7 @@ public class ResourceParser {
return TEXTAPPEARANCE_RESOURCES[id];
}
// 获取文本外观资源数组的大小
public static int getResourcesSize() {
return TEXTAPPEARANCE_RESOURCES.length;
}

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