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@ -37,55 +37,55 @@ import java.io.PrintStream;
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public class BackupUtils {
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private static final String TAG = "BackupUtils"; // 定义日志标签,用于识别日志输出的来源
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private static final String TAG = "BackupUtils";
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// Singleton stuff
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private static BackupUtils sInstance;
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private static BackupUtils sInstance; // 声明一个静态实例变量,用于实现单例模式
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// 提供一个公共的静态方法,用于获取BackupUtils的单例实例
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public static synchronized BackupUtils getInstance(Context context) {
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if (sInstance == null) {
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sInstance = new BackupUtils(context); // 如果实例不存在,则新建一个实例
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sInstance = new BackupUtils(context);
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}
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return sInstance; // 返回单例实例
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return sInstance;
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}
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// 定义一系列状态码,用于表示备份或恢复的状态
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public static final int STATE_SD_CARD_UNMOUONTED = 0; // SD卡未挂载
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public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; // 备份文件不存在
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public static final int STATE_DATA_DESTROIED = 2; // 数据格式不正确,可能被其他程序更改
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public static final int STATE_SYSTEM_ERROR = 3; // 系统错误,导致备份或恢复失败
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public static final int STATE_SUCCESS = 4; // 备份或恢复成功
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private TextExport mTextExport; // TextExport对象,用于将数据导出到文本
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/**
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* Following states are signs to represents backup or restore
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* status
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*/
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// Currently, the sdcard is not mounted
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public static final int STATE_SD_CARD_UNMOUONTED = 0;
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// The backup file not exist
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public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
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// The data is not well formated, may be changed by other programs
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public static final int STATE_DATA_DESTROIED = 2;
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// Some run-time exception which causes restore or backup fails
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public static final int STATE_SYSTEM_ERROR = 3;
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// Backup or restore success
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public static final int STATE_SUCCESS = 4;
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private TextExport mTextExport;
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// BackupUtils的私有构造函数,传入Context对象
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private BackupUtils(Context context) {
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mTextExport = new TextExport(context); // 初始化TextExport对象
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mTextExport = new TextExport(context);
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}
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// 检查外部存储(SD卡)是否可用
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private static boolean externalStorageAvailable() {
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return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); // 比较存储状态是否为已挂载
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return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
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}
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// 导出数据到文本文件,并返回操作结果状态码
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public int exportToText() {
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return mTextExport.exportToText(); // 调用TextExport对象的exportToText方法
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return mTextExport.exportToText();
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}
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// 获取导出文本文件的文件名
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public String getExportedTextFileName() {
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return mTextExport.mFileName; // 返回TextExport对象中保存的文件名
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return mTextExport.mFileName;
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}
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// 获取导出文本文件的目录路径
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public String getExportedTextFileDir() {
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return mTextExport.mFileDirectory; // 返回TextExport对象中保存的文件目录
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return mTextExport.mFileDirectory;
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}
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// 内部类TextExport,封装了将笔记数据导出到文本文件的逻辑
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private static class TextExport {
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// 定义查询笔记信息时需要的字段
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private static final String[] NOTE_PROJECTION = {
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NoteColumns.ID,
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NoteColumns.MODIFIED_DATE,
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@ -93,12 +93,12 @@ public class BackupUtils {
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NoteColumns.TYPE
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};
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// 定义NOTE_PROJECTION数组中各个字段的索引
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private static final int NOTE_COLUMN_ID = 0;
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private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
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private static final int NOTE_COLUMN_SNIPPET = 2;
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// 定义查询笔记数据时需要的字段
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private static final String[] DATA_PROJECTION = {
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DataColumns.CONTENT,
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DataColumns.MIME_TYPE,
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@ -108,88 +108,93 @@ public class BackupUtils {
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DataColumns.DATA4,
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};
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// 定义DATA_PROJECTION数组中各个字段的索引
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private static final int DATA_COLUMN_CONTENT = 0;
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private static final int DATA_COLUMN_MIME_TYPE = 1;
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private static final int DATA_COLUMN_CALL_DATE = 2;
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private static final int DATA_COLUMN_PHONE_NUMBER = 4;
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// 用于格式化导出文本的字符串数组
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private final String[] TEXT_FORMAT;
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// 定义格式化字符串数组中的索引
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private final String [] TEXT_FORMAT;
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private static final int FORMAT_FOLDER_NAME = 0;
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private static final int FORMAT_NOTE_DATE = 1;
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private static final int FORMAT_NOTE_CONTENT = 2;
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private Context mContext; // 应用程序上下文
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private String mFileName; // 导出文本文件的文件名
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private String mFileDirectory; // 导出文本文件的目录
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private Context mContext;
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private String mFileName;
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private String mFileDirectory;
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// TextExport类的构造函数,初始化上下文和格式化字符串数组
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public TextExport(Context context) {
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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
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mContext = context; // 保存上下文对象
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mFileName = ""; // 初始化文件名为空字符串
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mFileDirectory = ""; // 初始化文件目录为空字符串
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TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
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mContext = context;
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mFileName = "";
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mFileDirectory = "";
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}
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// 根据索引获取格式化字符串
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private String getFormat(int id) {
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return TEXT_FORMAT[id]; // 返回格式化字符串数组中指定索引的字符串
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return TEXT_FORMAT[id];
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}
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// 导出指定文件夹ID的笔记到文本
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/**
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* Export the folder identified by folder id to text
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*/
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private void exportFolderToText(String folderId, PrintStream ps) {
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// 查询属于该文件夹的笔记
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// Query notes belong to this folder
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Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
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NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] {
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folderId
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}, null);
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if (notesCursor != null) {
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if (notesCursor.moveToFirst()) {
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do {
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// 打印笔记的最后修改日期
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// Print note's last modified date
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ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format(
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mContext.getString(R.string.format_datetime_mdhm),
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notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
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// 查询属于该笔记的数据
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// Query data belong to this note
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String noteId = notesCursor.getString(NOTE_COLUMN_ID);
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exportNoteToText(noteId, ps);
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} while (notesCursor.moveToNext());
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}
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notesCursor.close(); // 关闭游标
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notesCursor.close();
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}
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}
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// 导出指定ID的笔记到文本
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/**
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* Export note identified by id to a print stream
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*/
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private void exportNoteToText(String noteId, PrintStream ps) {
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// 查询笔记数据
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Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
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DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] {
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noteId
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}, null);
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if (dataCursor != null) {
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if (dataCursor.moveToFirst()) {
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do {
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String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
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if (DataConstants.CALL_NOTE.equals(mimeType)) {
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// 如果MIME类型为通话笔记,则打印电话号码、通话日期和位置
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// Print phone number
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String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
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long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
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String location = dataCursor.getString(DATA_COLUMN_CONTENT);
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if (!TextUtils.isEmpty(phoneNumber)) {
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ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
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phoneNumber));
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}
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// Print call date
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ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat
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.format(mContext.getString(R.string.format_datetime_mdhm),
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callDate)));
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// Print call attachment location
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if (!TextUtils.isEmpty(location)) {
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ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
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location));
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}
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} else if (DataConstants.NOTE.equals(mimeType)) {
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// 如果MIME类型为普通笔记,则打印笔记内容
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String content = dataCursor.getString(DATA_COLUMN_CONTENT);
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if (!TextUtils.isEmpty(content)) {
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ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT),
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@ -198,9 +203,9 @@ public class BackupUtils {
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}
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} while (dataCursor.moveToNext());
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}
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dataCursor.close(); // 关闭游标
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dataCursor.close();
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}
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// 打印笔记之间的分隔符
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// print a line separator between note
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try {
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ps.write(new byte[] {
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Character.LINE_SEPARATOR, Character.LETTER_NUMBER
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@ -210,679 +215,130 @@ public class BackupUtils {
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}
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}
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// 执行导出操作,将笔记数据导出为用户可读的文本格式
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/**
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* Note will be exported as text which is user readable
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*/
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public int exportToText() {
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if (!externalStorageAvailable()) {
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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
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Log.d(TAG, "Media was not mounted");
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return STATE_SD_CARD_UNMOUONTED;
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}
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PrintStream ps = getExportToTextPrintStream(); // 获取指向导出文本文件的PrintStream对象
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PrintStream ps = getExportToTextPrintStream();
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if (ps == null) {
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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
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Log.e(TAG, "get print stream error");
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return STATE_SYSTEM_ERROR;
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}
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// 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
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// First export folder and its notes
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Cursor folderCursor = mContext.getContentResolver().query(
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Notes.CONTENT_NOTE_URI,
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NOTE_PROJECTION,
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"(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
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+ NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
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+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null);
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if (folderCursor != null) {
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if (folderCursor.moveToFirst()) {
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do {
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// 打印文件夹名称
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// Print folder's name
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String folderName = "";
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if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
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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
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folderName = mContext.getString(R.string.call_record_folder_name);
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} else {
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folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); // 否则,使用查询到的文件夹名称
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folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
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}
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if (!TextUtils.isEmpty(folderName)) {
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ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
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}
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String folderId = folderCursor.getString(NOTE_COLUMN_ID);
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exportFolderToText(folderId
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package net.micode.notes.gtask.remote; // 定义当前类所在的包
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import android.accounts.Account; // 引入账户类,表示一个用户账户
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import android.accounts.AccountManager; // 导入账户管理类,用于管理账户及其相关操作
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import android.accounts.AccountManagerFuture; // 导入异步获取账户的类
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import android.app.Activity; // 引入Activity类,代表应用的一个界面
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import android.os.Bundle; // 引入Bundle类,用于存储数据的容器
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import android.text.TextUtils; // 导入工具类,主要用于判断字符串是否为空
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import android.util.Log; // 导入Log类,用于记录日志
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import net.micode.notes.gtask.data.Node; // 引入任务节点类
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import net.micode.notes.gtask.data.Task; // 引入任务类
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import net.micode.notes.gtask.data.TaskList; // 引入任务列表类
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import net.micode.notes.gtask.exception.ActionFailureException; // 引入自定义异常类,表示操作失败
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import net.micode.notes.gtask.exception.NetworkFailureException; // 引入自定义异常类,表示网络失败
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import net.micode.notes.tool.GTaskStringUtils; // 引入字符串工具类,提供字符串相关的方法
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import net.micode.notes.ui.NotesPreferenceActivity; // 引入笔记偏好设置活动类
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import org.apache.http.HttpEntity; // 引入HTTP实体类,表示请求或响应的消息体
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import org.apache.http.HttpResponse; // 引入HTTP响应类,表示HTTP请求的响应
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import org.apache.http.client.ClientProtocolException; // 引入客户端协议异常类
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import org.apache.http.client.entity.UrlEncodedFormEntity; // 引入URL编码的表单实体类
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import org.apache.http.client.methods.HttpGet; // 引入HTTP GET请求类
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import org.apache.http.client.methods.HttpPost; // 引入HTTP POST请求类
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import org.apache.http.cookie.Cookie; // 引入Cookie类,表示HTTP Cookie
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import org.apache.http.impl.client.BasicCookieStore; // 引入基本的Cookie存储类
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import org.apache.http.impl.client.DefaultHttpClient; // 引入默认的HTTP客户端类
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import org.apache.http.message.BasicNameValuePair; // 引入基本名称值对类,用于表单参数
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import org.apache.http.params.BasicHttpParams; // 引入基本HTTP参数类
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import org.apache.http.params.HttpConnectionParams; // 引入HTTP连接参数类
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import org.apache.http.params.HttpParams; // 引入HTTP参数类
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import org.apache.http.params.HttpProtocolParams; // 引入HTTP协议参数类
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import org.json.JSONArray; // 引入JSON数组类
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import org.json.JSONException; // 引入JSON异常类
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import org.json.JSONObject; // 引入JSON对象类
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import java.io.BufferedReader; // 引入缓冲读取器类
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import java.io.IOException; // 引入IO异常类
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import java.io.InputStream; // 引入输入流类
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import java.io.InputStreamReader; // 引入输入流阅读器类
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import java.util.LinkedList; // 引入链表类
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import java.util.List; // 引入列表接口
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import java.util.zip.GZIPInputStream; // 引入GZIP输入流类
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import java.util.zip.Inflater; // 引入解压缩类
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import java.util.zip.InflaterInputStream; // 引入解压缩输入流类
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// GTaskClient类,负责与Google任务系统的网络交互
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public class GTaskClient {
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private static final String TAG = GTaskClient.class.getSimpleName(); // 日志标记,用于日志记录
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// Google任务相关URL常量
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private static final String GTASK_URL = "https://mail.google.com/tasks/";
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
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private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
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private static GTaskClient mInstance = null; // 单例实例
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private DefaultHttpClient mHttpClient; // 默认HTTP客户端
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private String mGetUrl; // GET请求URL
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private String mPostUrl; // POST请求URL
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private long mClientVersion; // 客户端版本号
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private boolean mLoggedin; // 登录状态
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private long mLastLoginTime; // 上次登录时间
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private int mActionId; // 动作ID
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private Account mAccount; // 当前账户信息
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private JSONArray mUpdateArray; // 更新操作数组
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// 私有构造函数,初始化GTaskClient实例
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private GTaskClient() {
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mHttpClient = null;
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mGetUrl = GTASK_GET_URL; // 初始化GET请求URL
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mPostUrl = GTASK_POST_URL; // 初始化POST请求URL
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mClientVersion = -1; // 初始化客户端版本
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mLoggedin = false; // 初始化未登录状态
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mLastLoginTime = 0; // 初始化上次登录时间
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mActionId = 1; // 初始化动作ID
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mAccount = null; // 初始化账户信息
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mUpdateArray = null; // 初始化更新数组
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}
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// 获取GTaskClient单例实例
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public static synchronized GTaskClient getInstance() {
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if (mInstance == null) {
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mInstance = new GTaskClient(); // 创建新实例
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}
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return mInstance; // 返回单例实例
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}
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// 登录方法
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public boolean login(Activity activity) {
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// 假设cookie在5分钟后过期,需要重新登录
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final long interval = 1000 * 60 * 5;
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if (mLastLoginTime + interval < System.currentTimeMillis()) {
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mLoggedin = false; // 登录过期
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}
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// 当账户切换时需要重新登录
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if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) {
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mLoggedin = false; // 切换账户后未登录
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}
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if (mLoggedin) {
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Log.d(TAG, "already logged in"); // 已经登录
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return true; // 返回登录成功
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}
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mLastLoginTime = System.currentTimeMillis(); // 更新最后登录时间
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String authToken = loginGoogleAccount(activity, false); // 登录Google账户
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if (authToken == null) {
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Log.e(TAG, "login google account failed"); // 登录失败
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return false; // 返回登录失败
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}
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// 登录自定义域名
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if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().endsWith("googlemail.com"))) {
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// 构建URL
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StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
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int index = mAccount.name.indexOf('@') + 1;
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String suffix = mAccount.name.substring(index);
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url.append(suffix + "/");
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mGetUrl = url.toString() + "ig"; // 更新GET请求URL
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mPostUrl = url.toString() + "r/ig"; // 更新POST请求URL
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// 尝试以自定义域名登录
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if (tryToLoginGtask(activity, authToken)) {
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mLoggedin = true; // 登录成功
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}
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}
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// 尝试使用Google官方URL登录
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if (!mLoggedin) {
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mGetUrl = GTASK_GET_URL; // 恢复默认GET请求URL
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mPostUrl = GTASK_POST_URL; // 恢复默认POST请求URL
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if (!tryToLoginGtask(activity, authToken)) { // 尝试登录
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return false; // 登录失败
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}
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exportFolderToText(folderId, ps);
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} while (folderCursor.moveToNext());
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}
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mLoggedin = true; // 登录状态更新
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return true; // 返回登录成功
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}
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// 登录Google账户
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private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
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String authToken; // 认证令牌
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AccountManager accountManager = AccountManager.get(activity); // 获取账户管理器
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Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取Google账户
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if (accounts.length == 0) {
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Log.e(TAG, "there is no available google account"); // 没有可用的Google账户
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return null; // 返回null
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}
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String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取预设的账户名
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Account account = null;
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for (Account a : accounts) {
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if (a.name.equals(accountName)) { // 查找匹配的账户
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account = a;
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break;
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}
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}
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if (account != null) {
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mAccount = account; // 设置当前账户
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} else {
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Log.e(TAG, "unable to get an account with the same name in the settings"); // 未找到匹配的账户
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return null; // 返回null
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folderCursor.close();
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}
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// 现在获取token
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AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); // 获取账户的认证令牌
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try {
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Bundle authTokenBundle = accountManagerFuture.getResult(); // 获取结果
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authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); // 提取认证令牌
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if (invalidateToken) {
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accountManager.invalidateAuthToken("com.google", authToken); // 使令牌失效
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loginGoogleAccount(activity, false); // 重新登录
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}
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} catch (Exception e) {
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Log.e(TAG, "get auth token failed"); // 获取令牌失败
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authToken = null; // 令牌为null
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}
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return authToken; // 返回认证令牌
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}
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// 尝试登录GTask
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private boolean tryToLoginGtask(Activity activity, String authToken) {
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if (!loginGtask(authToken)) { // 登录GTask
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// 可能认证令牌过期,令牌失效后重试
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authToken = loginGoogleAccount(activity, true); // 重新获取令牌
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if (authToken == null) {
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Log.e(TAG, "login google account failed"); // 登录失败
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return false; // 返回失败
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}
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if (!loginGtask(authToken)) { // 重试登录GTask
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Log.e(TAG, "login gtask failed"); // 登录GTask失败
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return false; // 返回失败
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}
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}
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return true; // 登录成功
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}
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// 登录GTask
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private boolean loginGtask(String authToken) {
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int timeoutConnection = 10000; // 连接超时设置
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int timeoutSocket = 15000; // 套接字超时设置
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HttpParams httpParameters = new BasicHttpParams(); // 创建HTTP参数
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HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时
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HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置套接字超时
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mHttpClient = new DefaultHttpClient(httpParameters); // 初始化HTTP客户端
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BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 初始化Cookie存储
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mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
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HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 禁用ExpectContinue
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// 登录GTask
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try {
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String loginUrl = mGetUrl + "?auth=" + authToken; // 构建登录URL
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HttpGet httpGet = new HttpGet(loginUrl); // 创建GET请求
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HttpResponse response = null;
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response = mHttpClient.execute(httpGet); // 执行GET请求
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// 获取Cookie
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List<Cookie> cookies = mHttpClient.getCookieStore().getCookies(); // 获取当前Cookie
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boolean hasAuthCookie = false;
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for (Cookie cookie : cookies) {
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if (cookie.getName().contains("GTL")) { // 检查是否存在授权Cookie
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hasAuthCookie = true;
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}
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}
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if (!hasAuthCookie) {
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Log.w(TAG, "it seems that there is no auth cookie"); // 授权Cookie不存在
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}
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// 获取客户端版本
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String resString = getResponseContent(response.getEntity()); // 获取响应内容
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String jsBegin = "_setup("; // JavaScript开始标识
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String jsEnd = ")}</script>"; // JavaScript结束标识
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int begin = resString.indexOf(jsBegin); // 查找开始索引
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int end = resString.lastIndexOf(jsEnd); // 查找结束索引
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String jsString = null;
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if (begin != -1 && end != -1 && begin < end) { // 提取JavaScript内容
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jsString = resString.substring(begin + jsBegin.length(), end);
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}
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JSONObject js = new JSONObject(jsString); // 创建JSON对象
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mClientVersion = js.getLong("v"); // 获取客户端版本
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} catch (JSONException e) {
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Log.e(TAG, e.toString()); // 记录JSON解析异常
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e.printStackTrace(); // 打印异常堆栈
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return false; // 返回失败
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} catch (Exception e) {
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// 捕获所有异常
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Log.e(TAG, "httpget gtask_url failed"); // GET请求失败
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return false; // 返回失败
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}
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return true; // 登录成功
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}
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// 获取下一个动作ID
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private int getActionId() {
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return mActionId++; // 返回并自增动作ID
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}
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// 创建HTTP POST请求
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private HttpPost createHttpPost() {
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HttpPost httpPost = new HttpPost(mPostUrl); // 创建POST请求
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httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头
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httpPost.setHeader("AT", "1"); // 设置自定义请求头
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return httpPost; // 返回POST请求
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}
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// 获取响应内容
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private String getResponseContent(HttpEntity entity) throws IOException {
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String contentEncoding = null; // 内容编码
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if (entity.getContentEncoding() != null) {
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contentEncoding = entity.getContentEncoding().getValue(); // 获取编码类型
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Log.d(TAG, "encoding: " + contentEncoding); // 记录编码类型
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|
|
|
}
|
|
|
|
|
|
|
|
|
|
InputStream input = entity.getContent(); // 获取输入流
|
|
|
|
|
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
|
|
|
|
|
input = new GZIPInputStream(entity.getContent()); // 解压GZIP流
|
|
|
|
|
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
|
|
|
|
|
Inflater inflater = new Inflater(true); // 创建Inflater对象
|
|
|
|
|
input = new InflaterInputStream(entity.getContent(), inflater); // 解压DEFLATE流
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
|
|
|
|
InputStreamReader isr = new InputStreamReader(input); // 创建输入流阅读器
|
|
|
|
|
BufferedReader br = new BufferedReader(isr); // 创建缓冲读取器
|
|
|
|
|
StringBuilder sb = new StringBuilder(); // 创建字符串构建器
|
|
|
|
|
|
|
|
|
|
while (true) {
|
|
|
|
|
String buff = br.readLine(); // 逐行读取
|
|
|
|
|
if (buff == null) {
|
|
|
|
|
return sb.toString(); // 返回读取的内容
|
|
|
|
|
}
|
|
|
|
|
sb = sb.append(buff); // 将内容添加到构建器
|
|
|
|
|
}
|
|
|
|
|
} finally {
|
|
|
|
|
input.close(); // 关闭输入流
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// POST请求方法
|
|
|
|
|
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
|
|
|
|
|
if (!mLoggedin) {
|
|
|
|
|
Log.e(TAG, "please login first"); // 未登录
|
|
|
|
|
throw new ActionFailureException("not logged in"); // 抛出异常
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
HttpPost httpPost = createHttpPost(); // 创建POST请求
|
|
|
|
|
try {
|
|
|
|
|
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); // 创建参数列表
|
|
|
|
|
list.add(new BasicNameValuePair("r", js.toString())); // 添加请求参数
|
|
|
|
|
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建表单实体
|
|
|
|
|
httpPost.setEntity(entity); // 设置POST实体
|
|
|
|
|
|
|
|
|
|
// 执行POST请求
|
|
|
|
|
HttpResponse response = mHttpClient.execute(httpPost);
|
|
|
|
|
String jsString = getResponseContent(response.getEntity()); // 获取响应内容
|
|
|
|
|
return new JSONObject(jsString); // 返回JSON对象
|
|
|
|
|
|
|
|
|
|
} catch (ClientProtocolException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录协议异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
|
|
|
|
|
} catch (IOException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录IO异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("unable to convert response content to jsonobject"); // 抛出操作失败异常
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录其他异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("error occurs when posting request"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建任务方法
|
|
|
|
|
public void createTask(Task task) throws NetworkFailureException {
|
|
|
|
|
commitUpdate(); // 提交更新
|
|
|
|
|
try {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
JSONArray actionList = new JSONArray(); // 创建动作列表数组
|
|
|
|
|
|
|
|
|
|
// 添加创建动作到动作列表
|
|
|
|
|
actionList.put(task.getCreateAction(getActionId())); // 获取创建动作并添加
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
// 执行POST请求
|
|
|
|
|
JSONObject jsResponse = postRequest(jsPost);
|
|
|
|
|
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
|
|
|
|
|
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务ID
|
|
|
|
|
// 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);
|
|
|
|
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("create task: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
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();
|
|
|
|
|
|
|
|
|
|
// 创建任务列表方法
|
|
|
|
|
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
|
|
|
|
|
commitUpdate(); // 提交更新
|
|
|
|
|
try {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
JSONArray actionList = new JSONArray(); // 创建动作列表数组
|
|
|
|
|
|
|
|
|
|
// 添加创建动作到动作列表
|
|
|
|
|
actionList.put(tasklist.getCreateAction(getActionId())); // 获取创建动作并添加
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
// 执行POST请求
|
|
|
|
|
JSONObject jsResponse = postRequest(jsPost);
|
|
|
|
|
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
|
|
|
|
|
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表ID
|
|
|
|
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
return STATE_SUCCESS;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 提交更新方法
|
|
|
|
|
public void commitUpdate() throws NetworkFailureException {
|
|
|
|
|
if (mUpdateArray != null) { // 如果有更新数组
|
|
|
|
|
/**
|
|
|
|
|
* 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 {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
|
|
|
|
|
// 设置动作列表
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
postRequest(jsPost); // 执行POST请求
|
|
|
|
|
mUpdateArray = null; // 清空更新数组
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("commit update: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 添加更新节点方法
|
|
|
|
|
public void addUpdateNode(Node node) throws NetworkFailureException {
|
|
|
|
|
if (node != null) { // 如果节点不为空
|
|
|
|
|
// 更新项目数量过多可能会导致错误,设置最大为10个
|
|
|
|
|
if (mUpdateArray != null && mUpdateArray.length() > 10) {
|
|
|
|
|
commitUpdate(); // 提交更新
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (mUpdateArray == null) // 如果更新数组为空
|
|
|
|
|
mUpdateArray = new JSONArray(); // 初始化更新数组
|
|
|
|
|
mUpdateArray.put(node.getUpdateAction(getActionId())); // 添加更新操作到数组
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/**
|
|
|
|
|
* 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());
|
|
|
|
|
|
|
|
|
|
// 移动任务方法
|
|
|
|
|
public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException {
|
|
|
|
|
commitUpdate(); // 提交更新
|
|
|
|
|
try {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
JSONArray actionList = new JSONArray(); // 创建动作列表
|
|
|
|
|
JSONObject action = new JSONObject(); // 创建动作对象
|
|
|
|
|
|
|
|
|
|
// 设置移动任务的动作
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID
|
|
|
|
|
if (preParent == curParent && task.getPriorSibling() != null) {
|
|
|
|
|
// 仅当在任务列表内移动且不是第一个时,设置前一个兄弟节点ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
|
|
|
|
|
}
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 设置源列表ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 设置目标父任务列表ID
|
|
|
|
|
if (preParent != curParent) {
|
|
|
|
|
// 仅当在不同任务列表间移动时,设置目标列表ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
|
|
|
|
|
}
|
|
|
|
|
actionList.put(action); // 将动作添加到动作列表
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
postRequest(jsPost); // 执行POST请求
|
|
|
|
|
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("move task: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
if (!filedir.exists()) {
|
|
|
|
|
filedir.mkdir();
|
|
|
|
|
}
|
|
|
|
|
if (!file.exists()) {
|
|
|
|
|
file.createNewFile();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 删除节点方法
|
|
|
|
|
public void deleteNode(Node node) throws NetworkFailureException {
|
|
|
|
|
commitUpdate(); // 提交更新
|
|
|
|
|
try {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
JSONArray actionList = new JSONArray(); // 创建动作列表
|
|
|
|
|
|
|
|
|
|
// 删除节点
|
|
|
|
|
node.setDeleted(true); // 设置节点为已删除
|
|
|
|
|
actionList.put(node.getUpdateAction(getActionId())); // 添加更新动作到列表
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
postRequest(jsPost); // 执行POST请求
|
|
|
|
|
mUpdateArray = null; // 清空更新数组
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// 获取任务列表的方法
|
|
|
|
|
public JSONArray getTaskLists() throws NetworkFailureException {
|
|
|
|
|
// 检查是否已登录
|
|
|
|
|
if (!mLoggedin) {
|
|
|
|
|
Log.e(TAG, "please login first"); // 记录错误日志
|
|
|
|
|
throw new ActionFailureException("not logged in"); // 抛出未登录异常
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
|
|
|
|
HttpGet httpGet = new HttpGet(mGetUrl); // 创建GET请求
|
|
|
|
|
HttpResponse response = null; // 声明响应对象
|
|
|
|
|
response = mHttpClient.execute(httpGet); // 执行GET请求并获取响应
|
|
|
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|
|
|
|
|
|
// 获取任务列表
|
|
|
|
|
String resString = getResponseContent(response.getEntity()); // 读取响应内容
|
|
|
|
|
String jsBegin = "_setup("; // JS数据开始标识
|
|
|
|
|
String jsEnd = ")}</script>"; // JS数据结束标识
|
|
|
|
|
int begin = resString.indexOf(jsBegin); // 查找开始索引
|
|
|
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|
int end = resString.lastIndexOf(jsEnd); // 查找结束索引
|
|
|
|
|
String jsString = null; // 存储提取的JS字符串
|
|
|
|
|
if (begin != -1 && end != -1 && begin < end) { // 检查索引有效性
|
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|
jsString = resString.substring(begin + jsBegin.length(), end); // 提取JS字符串
|
|
|
|
|
}
|
|
|
|
|
JSONObject js = new JSONObject(jsString); // 创建JSON对象
|
|
|
|
|
// 返回任务列表的JSONArray
|
|
|
|
|
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
|
|
|
|
|
} catch (ClientProtocolException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录协议异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
|
|
|
|
|
return file;
|
|
|
|
|
} catch (SecurityException e) {
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
} catch (IOException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录IO异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取指定任务列表的任务方法
|
|
|
|
|
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
|
|
|
|
|
commitUpdate(); // 提交更新操作
|
|
|
|
|
try {
|
|
|
|
|
JSONObject jsPost = new JSONObject(); // 创建JSON对象
|
|
|
|
|
JSONArray actionList = new JSONArray(); // 创建动作列表
|
|
|
|
|
JSONObject action = new JSONObject(); // 创建单个动作对象
|
|
|
|
|
|
|
|
|
|
// 设置动作列表
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); // 动作类型为获取所有任务
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置任务列表ID
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务
|
|
|
|
|
actionList.put(action); // 将动作添加到动作列表
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表到JSON对象
|
|
|
|
|
|
|
|
|
|
// 设置客户端版本
|
|
|
|
|
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
|
|
|
|
|
|
|
|
|
|
JSONObject jsResponse = postRequest(jsPost); // 执行POST请求并获取响应
|
|
|
|
|
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 返回任务数组
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString()); // 记录JSON异常
|
|
|
|
|
e.printStackTrace(); // 打印异常堆栈
|
|
|
|
|
throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出操作失败异常
|
|
|
|
|
}
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取当前同步账户的方法
|
|
|
|
|
public Account getSyncAccount() {
|
|
|
|
|
return mAccount; // 返回当前账户信息
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 重置更新数组的方法
|
|
|
|
|
public void resetUpdateArray() {
|
|
|
|
|
mUpdateArray = null; // 将更新数组设置为null
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
package net.micode.notes.ui; // 定义包名
|
|
|
|
|
|
|
|
|
|
import android.content.Context; // 导入上下文类
|
|
|
|
|
import android.database.Cursor; // 导入游标类
|
|
|
|
|
import android.view.View; // 导入视图类
|
|
|
|
|
import android.view.ViewGroup; // 导入视图组类
|
|
|
|
|
import android.widget.CursorAdapter; // 导入游标适配器类
|
|
|
|
|
import android.widget.LinearLayout; // 导入线性布局类
|
|
|
|
|
import android.widget.TextView; // 导入文本视图类
|
|
|
|
|
|
|
|
|
|
import net.micode.notes.R; // 导入资源类
|
|
|
|
|
import net.micode.notes.data.Notes; // 导入笔记数据类
|
|
|
|
|
import net.micode.notes.data.Notes.NoteColumns; // 导入笔记列类
|
|
|
|
|
|
|
|
|
|
public class FoldersListAdapter extends CursorAdapter { // 定义文件夹列表适配器类,继承自 CursorAdapter
|
|
|
|
|
public static final String [] PROJECTION = { // 定义需要查询的字段数组
|
|
|
|
|
NoteColumns.ID, // 笔记 ID 列
|
|
|
|
|
NoteColumns.SNIPPET // 笔记摘要列
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
public static final int ID_COLUMN = 0; // ID 列索引
|
|
|
|
|
public static final int NAME_COLUMN = 1; // 名称列索引
|
|
|
|
|
|
|
|
|
|
// 构造函数,接受上下文和游标作为参数
|
|
|
|
|
public FoldersListAdapter(Context context, Cursor c) {
|
|
|
|
|
super(context, c); // 调用父类构造函数
|
|
|
|
|
// TODO Auto-generated constructor stub
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 创建新的视图
|
|
|
|
|
@Override
|
|
|
|
|
public View newView(Context context, Cursor cursor, ViewGroup parent) {
|
|
|
|
|
return new FolderListItem(context); // 返回新的文件夹列表项视图
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 绑定视图与数据
|
|
|
|
|
@Override
|
|
|
|
|
public void bindView(View view, Context context, Cursor cursor) {
|
|
|
|
|
if (view instanceof FolderListItem) { // 如果视图是 FolderListItem 的实例
|
|
|
|
|
// 获取文件夹名称,判断是否为根文件夹
|
|
|
|
|
String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
|
|
|
|
|
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
|
|
|
|
|
((FolderListItem) view).bind(folderName); // 绑定文件夹名称到视图
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 根据位置获取文件夹名称
|
|
|
|
|
public String getFolderName(Context context, int position) {
|
|
|
|
|
Cursor cursor = (Cursor) getItem(position); // 获取指定位置的游标
|
|
|
|
|
// 判断是否为根文件夹,返回相应的名称
|
|
|
|
|
return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context
|
|
|
|
|
.getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 内部类,表示文件夹列表项
|
|
|
|
|
private class FolderListItem extends LinearLayout { // 继承自 LinearLayout
|
|
|
|
|
private TextView mName; // 存储文件夹名称的文本视图
|
|
|
|
|
|
|
|
|
|
// 构造函数,接受上下文作为参数
|
|
|
|
|
public FolderListItem(Context context) {
|
|
|
|
|
super(context); // 调用父类构造函数
|
|
|
|
|
inflate(context, R.layout.folder_list_item, this); // 加载布局文件
|
|
|
|
|
mName = (TextView) findViewById(R.id.tv_folder_name); // 初始化文件夹名称文本视图
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 绑定文件夹名称到文本视图
|
|
|
|
|
public void bind(String name) {
|
|
|
|
|
mName.setText(name); // 设置文本视图的文本为文件夹名称
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|