/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.Activity;
import android.app.backup.BackupManager;
import android.app.backup.IBackupManager;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import com.android.settings.R;
import java.net.URISyntaxException;
/**
* A trampoline activity used to launch the configured Backup activity.
* This activity used the theme NoDisplay to minimize the flicker that might be seen for the launch-
* finsih transition.
*/
public class BackupSettingsActivity extends Activity {
private static final String TAG = "BackupSettingsActivity";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String backup = getResources().getString(R.string.config_backup_settings_intent);
if (!TextUtils.isEmpty(backup)) {
try {
Intent intent = Intent.parseUri(backup, 0);
if (intent.resolveActivity(getPackageManager()) != null) {
// use startActivityForResult to let the activity check the caller signature
IBackupManager bmgr = IBackupManager.Stub.asInterface(
ServiceManager.getService(Context.BACKUP_SERVICE));
boolean backupOkay;
try {
backupOkay = bmgr.isBackupServiceActive(UserHandle.myUserId());
} catch (Exception e) {
// things go wrong talking to the backup system => ignore and
// pass the default 'false' as the "backup is a thing?" state.
backupOkay = false;
}
intent.putExtra(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE, backupOkay);
startActivityForResult(intent, -1);
} else {
Log.e(TAG, "Backup component not found!");
}
} catch (URISyntaxException e) {
Log.e(TAG, "Invalid backup component URI!", e);
}
}
finish();
}
}