@Override
public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
throws IOException {
super.onRestore(data, appVersionCode, newState);
copyPrefs(RESTORE_PREFS, CacheVar.DEFAULT_PREFS);
CacheVar.reinit();
}
@Override
public void onBackup(
ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState)
throws IOException {
copyPrefs(CacheVar.DEFAULT_PREFS, RESTORE_PREFS);
super.onBackup(oldState, data, newState);
}
@Override
public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
throws IOException {
if (!Utilities.isLmpOrAbove()) {
// No restore for old devices.
Log.i(TAG, "You shall not pass!!!");
Log.d(TAG, "Restore is only supported on devices running Lollipop and above.");
return;
}
// Clear dB before restore
LauncherAppState.getLauncherProvider().createEmptyDB();
boolean hasData;
try {
super.onRestore(data, appVersionCode, newState);
// If no favorite was migrated, clear the data and start fresh.
final Cursor c =
getContentResolver()
.query(LauncherSettings.Favorites.CONTENT_URI, null, null, null, null);
hasData = c.moveToNext();
c.close();
} catch (Exception e) {
// If the restore fails, we should do a fresh start.
Log.e(TAG, "Restore failed", e);
hasData = false;
}
if (hasData && mHelper.restoreSuccessful) {
LauncherAppState.getLauncherProvider().clearFlagEmptyDbCreated();
LauncherClings.synchonouslyMarkFirstRunClingDismissed(this);
// TODO: Update the backup set to include rank.
if (mHelper.restoredBackupVersion <= 3) {
LauncherAppState.getLauncherProvider().updateFolderItemsRank();
LauncherAppState.getLauncherProvider().convertShortcutsToLauncherActivities();
}
} else {
if (VERBOSE) Log.v(TAG, "Nothing was restored, clearing DB");
LauncherAppState.getLauncherProvider().createEmptyDB();
}
}
@Override
public void onCreate() {
super.onCreate();
mHelper = new LauncherBackupHelper(this);
addHelper(LAUNCHER_DATA_PREFIX, mHelper);
}