1 /* 2 * Copyright (C) 2024 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.settings.development; 18 19 import android.app.Activity; 20 import android.app.Application; 21 import android.os.Bundle; 22 23 import androidx.annotation.NonNull; 24 import androidx.annotation.Nullable; 25 import androidx.fragment.app.Fragment; 26 import androidx.fragment.app.FragmentManager; 27 28 import com.android.settings.SettingsActivity; 29 import com.android.settingslib.development.DevelopmentSettingsEnabler; 30 31 public class DeveloperOptionsActivityLifecycle implements Application.ActivityLifecycleCallbacks { 32 33 private FragmentManager.FragmentLifecycleCallbacks mFragmentCallback = 34 new FragmentManager.FragmentLifecycleCallbacks() { 35 @Override 36 public void onFragmentResumed(@NonNull FragmentManager fm, @NonNull Fragment f) { 37 if (!(f instanceof DeveloperOptionAwareMixin)) { 38 return; 39 } 40 41 Activity activity = f.getActivity(); 42 if (activity == null) { 43 return; 44 } 45 46 if (DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(activity)) { 47 return; 48 } 49 50 if (fm.getBackStackEntryCount() > 0) { 51 fm.popBackStack(); 52 } else { 53 activity.finish(); 54 } 55 } 56 }; 57 DeveloperOptionsActivityLifecycle()58 public DeveloperOptionsActivityLifecycle() {} 59 60 @Override onActivityCreated(@onNull Activity activity, @Nullable Bundle savedInstanceState)61 public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) { 62 if (!(activity instanceof SettingsActivity)) { 63 return; 64 } 65 66 FragmentManager fm = ((SettingsActivity) activity).getSupportFragmentManager(); 67 fm.registerFragmentLifecycleCallbacks(mFragmentCallback, /* recursive= */ true); 68 } 69 70 @Override onActivityStarted(@onNull Activity activity)71 public void onActivityStarted(@NonNull Activity activity) {} 72 73 @Override onActivityResumed(@onNull Activity activity)74 public void onActivityResumed(@NonNull Activity activity) {} 75 76 @Override onActivityPaused(@onNull Activity activity)77 public void onActivityPaused(@NonNull Activity activity) {} 78 79 @Override onActivityStopped(@onNull Activity activity)80 public void onActivityStopped(@NonNull Activity activity) {} 81 82 @Override onActivitySaveInstanceState(@onNull Activity activity, @NonNull Bundle outState)83 public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) {} 84 85 @Override onActivityDestroyed(@onNull Activity activity)86 public void onActivityDestroyed(@NonNull Activity activity) {} 87 } 88