android.app.backup.SharedPreferencesBackupHelper#android.app.backup.FileBackupHelper源码实例Demo

@Override
public void onCreate() {
    super.onCreate();
    SharedPreferencesBackupHelper helper = new SharedPreferencesBackupHelper(this, PREFS_DISPLAY);
    addHelper(MY_PREFS_BACKUP_KEY, helper);
    addHelper(DATABASE, new FileBackupHelper(this, "../databases/" + DBHelper.PROFILE));
}
 

@Override
public void onCreate() {
    super.onCreate();
    SharedPreferencesBackupHelper helper = new SharedPreferencesBackupHelper(this, PREFS_DISPLAY);
    addHelper(MY_PREFS_BACKUP_KEY, helper);
    addHelper(DATABASE, new FileBackupHelper(this, "../databases/" + DBHelper.PROFILE));
}
 

@Override
    public void onCreate() {
//        SharedPreferencesBackupHelper helper = new SharedPreferencesBackupHelper(this, PREFS, USER_PREFS);
//        addHelper(PREFS_BACKUP_KEY, helper);
        FileBackupHelper fileBackupHelper = new FileBackupHelper(this, dBFile);
        addHelper("dbFile", fileBackupHelper);
//        FileBackupHelper fileBackupHelper1 = new FileBackupHelper(this, dBImageFile);
//        addHelper("dbFile", fileBackupHelper1);
        new BackupManager(getApplicationContext()).dataChanged();
    }
 

@Override
public void onCreate() {
    String prefs = getDefaultSharedPreferencesName();

    SharedPreferencesBackupHelper sharedPreferencesBackupHelper = new SharedPreferencesBackupHelper(this, prefs);
    addHelper(PREFS_BACKUP_KEY, sharedPreferencesBackupHelper);

    FileBackupHelper fileBackupHelper = new FileBackupHelper(this, Constants.FILENAME_DATABASE, Constants.FILENAME_DATABASE_BACKUP);
    addHelper(FILES_BACKUP_KEY, fileBackupHelper);
}
 

@Override
public void onCreate() {
    SharedPreferencesBackupHelper prefBackupHelper = new SharedPreferencesBackupHelper(this, DEFAULT_PREFS_FILENAME);
    addHelper(DEFAULT_PREFS_KEY, prefBackupHelper);

    // TODO not sure if need to implement synchronized since GreenDAO is thread safe...
    FileBackupHelper dbBackupHelper = new FileBackupHelper(this, StorageModule.DB_NAME);
    addHelper(PRINTER_DB_KEY, dbBackupHelper);
}
 

@Override
public void onCreate() {
    FileBackupHelper helper = new FileBackupHelper(this, BOOKMARKS_FILENAME);
    addHelper(FILES_BACKUP_KEY, helper);
}
 

public void onCreate() {
    FileBackupHelper helper = new FileBackupHelper(this, PortfolioStockRepository.PORTFOLIO_JSON);
    addHelper(FILES_BACKUP_KEY, helper);
}