1/* 2 * Copyright (C) 2013 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 17package com.android.dialer.binary.common; 18 19import android.app.Application; 20import android.os.StrictMode; 21import android.os.Trace; 22import android.support.annotation.NonNull; 23import com.android.dialer.blocking.BlockedNumbersAutoMigrator; 24import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler; 25import com.android.dialer.buildtype.BuildType; 26import com.android.dialer.calllog.CallLogComponent; 27import com.android.dialer.common.concurrent.DefaultDialerExecutorFactory; 28import com.android.dialer.inject.HasRootComponent; 29import com.android.dialer.notification.NotificationChannelManager; 30import com.android.dialer.persistentlog.PersistentLogger; 31 32/** A common application subclass for all Dialer build variants. */ 33public abstract class DialerApplication extends Application implements HasRootComponent { 34 35 private volatile Object rootComponent; 36 37 @Override 38 public void onCreate() { 39 Trace.beginSection("DialerApplication.onCreate"); 40 if (BuildType.get() == BuildType.BUGFOOD) { 41 enableStrictMode(); 42 } 43 super.onCreate(); 44 new BlockedNumbersAutoMigrator( 45 this.getApplicationContext(), 46 new FilteredNumberAsyncQueryHandler(this), 47 new DefaultDialerExecutorFactory()) 48 .asyncAutoMigrate(); 49 CallLogComponent.get(this).callLogFramework().registerContentObservers(getApplicationContext()); 50 PersistentLogger.initialize(this); 51 52 NotificationChannelManager.getInstance().firstInitIfNeeded(this); 53 Trace.endSection(); 54 } 55 56 private void enableStrictMode() { 57 StrictMode.setThreadPolicy( 58 new StrictMode.ThreadPolicy.Builder().detectAll().penaltyDeath().build()); 59 StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll().penaltyDeath().build()); 60 } 61 62 /** 63 * Returns a new instance of the root component for the application. Sub classes should define a 64 * root component that extends all the sub components "HasComponent" intefaces. The component 65 * should specify all modules that the application supports and provide stubs for the remainder. 66 */ 67 @NonNull 68 protected abstract Object buildRootComponent(); 69 70 /** Returns a cached instance of application's root component. */ 71 @Override 72 @NonNull 73 public final Object component() { 74 Object result = rootComponent; 75 if (result == null) { 76 synchronized (this) { 77 result = rootComponent; 78 if (result == null) { 79 rootComponent = result = buildRootComponent(); 80 } 81 } 82 } 83 return result; 84 } 85} 86