android sqlite backup
In the folder "/data/data/'your.app.package'/databases/" you have a .db file that is your database. You can copy that file, save it, and then place it back there again. One example on how to backup the database to the external storage: , Here is my code: // Local database InputStream input = new FileInputStream(from); // create directory for backup File dir = new File(DB_BACKUP_PATH); dir.mkdir(); // Path to the external backup OutputStream output = new FileOutputStream(to); // transfer , Using the answer here, you can get a reference to your database in the form of a .db File object. final String inFileName = "/data/data/<your.app.package>/databases/foo.db"; File dbFile = new File(inFileName);. Once you have this, it', SQLite databases are completely self-contained files and are portable — you can just copy the entire file straight to the SD card. Though first I'd check whether an SD card is installed in the device, and what its path is (using Environment.getExtern, This is the core code of a working DB restore (from if (dbfile .. in a try ). private static final int BUFFERSZ = 32768; private byte[] buffer = new byte[BUFFERSZ]; ........ dbfile = new File(currentdbfilename); ....... if (dbfile.delete()) origdeleted , I think the problem of restoring old data without changing (or conflicting with) the 'newer' data is not very hard to solve in the scenario you describe. It seems that essentially you just want to 'add' the old data (records) to the new d, You can copy your sqlite db to sdcard like this private void exportDB() File sd = Environment.getExternalStorageDirectory(); File data = Environment.getDataDirectory(); FileChannel source=null; FileChannel destination=null; String currentDBPath = "/, This seems like it would be the best approach. You may want to consider taking a checksum of the SQLite file before copying and comparing it with the destination file for extra assurance. Just ensure there are no open connections to the database when you,android資料庫備份還原. 新建一個類繼承AsyncTask. public class BackupTask extends AsyncTask<String, Void, Integer> . private static final String COMMAND_BACKUP = "backupDatabase";. public static final String COMMAND_RESTORE = "restroeDatabase";., ... android:name="com.google.android.backup.api_key" android:value="ABcDe1FGHij2KlmN3oPQRs4TUvW5xYZ" /> ... </application> 接著開始寫備份代理程式（Backup Agent） Backup API 可以備份檔案（亦可備份SQLite 資料庫的db 檔）以及SharedPreference 資料， 下面是SQLite db 檔和
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 android sqlite backup 相關參考資料
Backuprestore sqlite db in android - Stack Overflow
In the folder "/data/data/'your.app.package'/databases/" you have a .db file that is your database. You can copy that file, save it, and then place it back there again. One example ... https://stackoverflow.com android - Backup and restore SQLite database to sdcard - Stack ...
Here is my code: // Local database InputStream input = new FileInputStream(from); // create directory for backup File dir = new File(DB_BACKUP_PATH); dir.mkdir(); // Path to the external backup Outpu... https://stackoverflow.com How to backuprestore SQLite database on Android to Dropbox ...
Using the answer here, you can get a reference to your database in the form of a .db File object. final String inFileName = "/data/data/<your.app.package>/databases/foo.db"; File dbFi... https://stackoverflow.com How do I backup a database file to the SD card on Android? - Stack ...
SQLite databases are completely self-contained files and are portable — you can just copy the entire file straight to the SD card. Though first I'd check whether an SD card is installed in the de... https://stackoverflow.com How to restore Sqlite database after backup Android - Stack Overflow
This is the core code of a working DB restore (from if (dbfile .. in a try ). private static final int BUFFERSZ = 32768; private byte[] buffer = new byte[BUFFERSZ]; ........ dbfile = new File(current... https://stackoverflow.com Android sqlite backuprestore without overwriting - Stack Overflow
I think the problem of restoring old data without changing (or conflicting with) the 'newer' data is not very hard to solve in the scenario you describe. It seems that essentially you just wa... https://stackoverflow.com sqlite - How to backup & restore SqliteDatabase,SharedPreferences ...
You can copy your sqlite db to sdcard like this private void exportDB() File sd = Environment.getExternalStorageDirectory(); File data = Environment.getDataDirectory(); FileChannel source=null; FileC... https://stackoverflow.com Sqlite DB Android BackupRestore - Stack Overflow
This seems like it would be the best approach. You may want to consider taking a checksum of the SQLite file before copying and comparing it with the destination file for extra assurance. Just ensure... https://stackoverflow.com android資料庫備份還原@ 資訊園:: 痞客邦::
android資料庫備份還原. 新建一個類繼承AsyncTask. public class BackupTask extends AsyncTask<String, Void, Integer> . private static final String COMMAND_BACKUP = "backupDatabase";. public static final... http://fecbob.pixnet.net [Android] Backup API - 鍵盤自耕農
... android:name="com.google.android.backup.api_key" android:value="ABcDe1FGHij2KlmN3oPQRs4TUvW5xYZ" /> ... </application> 接著開始寫備份代理程式（Backup Agent） Backup API 可以備份檔案（亦可備... http://blog.ccjeng.com |