1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.deskclock; 18 19 import android.annotation.TargetApi; 20 import android.app.Application; 21 import android.content.Context; 22 import android.content.SharedPreferences; 23 import android.os.Build; 24 import android.preference.PreferenceManager; 25 26 import com.android.deskclock.controller.Controller; 27 import com.android.deskclock.data.DataModel; 28 import com.android.deskclock.events.LogEventTracker; 29 import com.android.deskclock.uidata.UiDataModel; 30 31 public class DeskClockApplication extends Application { 32 33 @Override onCreate()34 public void onCreate() { 35 super.onCreate(); 36 37 final Context applicationContext = getApplicationContext(); 38 final SharedPreferences prefs = getDefaultSharedPreferences(applicationContext); 39 40 DataModel.getDataModel().init(applicationContext, prefs); 41 UiDataModel.getUiDataModel().init(applicationContext, prefs); 42 Controller.getController().setContext(applicationContext); 43 Controller.getController().addEventTracker(new LogEventTracker(applicationContext)); 44 } 45 46 /** 47 * Returns the default {@link SharedPreferences} instance from the underlying storage context. 48 */ 49 @TargetApi(Build.VERSION_CODES.N) getDefaultSharedPreferences(Context context)50 private static SharedPreferences getDefaultSharedPreferences(Context context) { 51 final Context storageContext; 52 if (Utils.isNOrLater()) { 53 // All N devices have split storage areas. Migrate the existing preferences into the new 54 // device encrypted storage area if that has not yet occurred. 55 final String name = PreferenceManager.getDefaultSharedPreferencesName(context); 56 storageContext = context.createDeviceProtectedStorageContext(); 57 if (!storageContext.moveSharedPreferencesFrom(context, name)) { 58 LogUtils.wtf("Failed to migrate shared preferences"); 59 } 60 } else { 61 storageContext = context; 62 } 63 return PreferenceManager.getDefaultSharedPreferences(storageContext); 64 } 65 }