1 /* 2 * Copyright (C) 2022 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 androidx.window.common; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.app.Activity; 22 import android.app.Application; 23 import android.os.Bundle; 24 25 /** 26 * An empty implementation of {@link Application.ActivityLifecycleCallbacks} derived classes can 27 * implement the methods necessary. 28 */ 29 public class EmptyLifecycleCallbacksAdapter implements Application.ActivityLifecycleCallbacks { 30 @Override onActivityCreated(@onNull Activity activity, @Nullable Bundle savedInstanceState)31 public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) { 32 } 33 34 @Override onActivityStarted(@onNull Activity activity)35 public void onActivityStarted(@NonNull Activity activity) { 36 } 37 38 @Override onActivityResumed(@onNull Activity activity)39 public void onActivityResumed(@NonNull Activity activity) { 40 } 41 42 @Override onActivityPaused(@onNull Activity activity)43 public void onActivityPaused(@NonNull Activity activity) { 44 } 45 46 @Override onActivityStopped(@onNull Activity activity)47 public void onActivityStopped(@NonNull Activity activity) { 48 } 49 50 @Override onActivitySaveInstanceState(@onNull Activity activity, @NonNull Bundle outState)51 public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) { 52 } 53 54 @Override onActivityDestroyed(@onNull Activity activity)55 public void onActivityDestroyed(@NonNull Activity activity) { 56 } 57 } 58