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 17 package com.android.dialer.binary.common; 18 19 import android.app.Application; 20 import android.os.StrictMode; 21 import android.os.Trace; 22 import android.support.annotation.NonNull; 23 import android.support.v4.os.BuildCompat; 24 import com.android.dialer.blocking.BlockedNumbersAutoMigrator; 25 import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler; 26 import com.android.dialer.buildtype.BuildType; 27 import com.android.dialer.calllog.CallLogComponent; 28 import com.android.dialer.common.concurrent.DefaultDialerExecutorFactory; 29 import com.android.dialer.inject.HasRootComponent; 30 import com.android.dialer.notification.NotificationChannelManager; 31 import com.android.dialer.persistentlog.PersistentLogger; 32 33 /** A common application subclass for all Dialer build variants. */ 34 public abstract class DialerApplication extends Application implements HasRootComponent { 35 36 private volatile Object rootComponent; 37 38 @Override onCreate()39 public void onCreate() { 40 Trace.beginSection("DialerApplication.onCreate"); 41 if (BuildType.get() == BuildType.BUGFOOD) { 42 enableStrictMode(); 43 } 44 super.onCreate(); 45 new BlockedNumbersAutoMigrator( 46 this.getApplicationContext(), 47 new FilteredNumberAsyncQueryHandler(this), 48 new DefaultDialerExecutorFactory()) 49 .asyncAutoMigrate(); 50 CallLogComponent.get(this).callLogFramework().registerContentObservers(getApplicationContext()); 51 PersistentLogger.initialize(this); 52 53 if (BuildCompat.isAtLeastO()) { 54 NotificationChannelManager.initChannels(this); 55 } 56 Trace.endSection(); 57 } 58 enableStrictMode()59 private void enableStrictMode() { 60 StrictMode.setThreadPolicy( 61 new StrictMode.ThreadPolicy.Builder().detectAll().penaltyLog().penaltyDeath().build()); 62 StrictMode.setVmPolicy( 63 new StrictMode.VmPolicy.Builder().detectAll().penaltyLog().penaltyDeath().build()); 64 } 65 66 /** 67 * Returns a new instance of the root component for the application. Sub classes should define a 68 * root component that extends all the sub components "HasComponent" intefaces. The component 69 * should specify all modules that the application supports and provide stubs for the remainder. 70 */ 71 @NonNull buildRootComponent()72 protected abstract Object buildRootComponent(); 73 74 /** Returns a cached instance of application's root component. */ 75 @Override 76 @NonNull component()77 public final Object component() { 78 Object result = rootComponent; 79 if (result == null) { 80 synchronized (this) { 81 result = rootComponent; 82 if (result == null) { 83 rootComponent = result = buildRootComponent(); 84 } 85 } 86 } 87 return result; 88 } 89 } 90