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Resetting launcherProvider data if restore set was empty

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Bug: 17332300
Change-Id: I6d2187cd1b1fa7a53e49b96eb109263f6b74b258
This commit is contained in:
Sunny Goyal
2014-09-26 22:09:29 -07:00
parent c5fb59fb9a
commit 42de82ff8d
3 changed files with 39 additions and 7 deletions
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26
src/com/android/launcher3/LauncherBackupAgentHelper.java
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@@ -17,13 +17,16 @@
package com.android.launcher3;
import android.app.backup.BackupAgentHelper;
import android.app.backup.BackupDataInput;
import android.app.backup.BackupManager;
import android.app.backup.SharedPreferencesBackupHelper;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.ParcelFileDescriptor;
import android.provider.Settings;
import android.util.Log;
import java.io.IOException;
public class LauncherBackupAgentHelper extends BackupAgentHelper {
private static final String TAG = "LauncherBackupAgentHelper";
@@ -54,7 +57,7 @@ public class LauncherBackupAgentHelper extends BackupAgentHelper {
// modifies the file outside the normal codepaths, so it looks like another
// process. This forces a reload of the file, in case this process persists.
String spKey = LauncherAppState.getSharedPreferencesKey();
SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS);
getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS);
super.onDestroy();
}
@@ -71,4 +74,21 @@ public class LauncherBackupAgentHelper extends BackupAgentHelper {
addHelper(LauncherBackupHelper.LAUNCHER_PREFIX,
new LauncherBackupHelper(this, restoreEnabled));
}
@Override
public void onRestore(BackupDataInput data, int appVersionCode, ParcelFileDescriptor newState)
throws IOException {
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_NO_NOTIFICATION, null, null, null, null);
boolean hasData = c.moveToNext();
c.close();
if (!hasData) {
if (VERBOSE) Log.v(TAG, "Nothing was restored, clearing DB");
LauncherAppState.getLauncherProvider().createEmptyDB();
}
}
}