| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.settingslib.core.lifecycle; |
| |
| |
| import android.annotation.CallSuper; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.support.v14.preference.PreferenceFragment; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.view.Menu; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| |
| /** |
| * {@link PreferenceFragment} that has hooks to observe fragment lifecycle events. |
| */ |
| public abstract class ObservablePreferenceFragment extends PreferenceFragment { |
| |
| private final Lifecycle mLifecycle = new Lifecycle(); |
| |
| protected Lifecycle getLifecycle() { |
| return mLifecycle; |
| } |
| |
| @CallSuper |
| @Override |
| public void onAttach(Context context) { |
| super.onAttach(context); |
| mLifecycle.onAttach(context); |
| } |
| |
| @CallSuper |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| mLifecycle.onCreate(savedInstanceState); |
| super.onCreate(savedInstanceState); |
| } |
| |
| @Override |
| public void setPreferenceScreen(PreferenceScreen preferenceScreen) { |
| mLifecycle.setPreferenceScreen(preferenceScreen); |
| super.setPreferenceScreen(preferenceScreen); |
| } |
| |
| @CallSuper |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| mLifecycle.onSaveInstanceState(outState); |
| } |
| |
| @CallSuper |
| @Override |
| public void onStart() { |
| mLifecycle.onStart(); |
| super.onStart(); |
| } |
| |
| @CallSuper |
| @Override |
| public void onStop() { |
| mLifecycle.onStop(); |
| super.onStop(); |
| } |
| |
| @CallSuper |
| @Override |
| public void onResume() { |
| mLifecycle.onResume(); |
| super.onResume(); |
| } |
| |
| @CallSuper |
| @Override |
| public void onPause() { |
| mLifecycle.onPause(); |
| super.onPause(); |
| } |
| |
| @CallSuper |
| @Override |
| public void onDestroy() { |
| mLifecycle.onDestroy(); |
| super.onDestroy(); |
| } |
| |
| @CallSuper |
| @Override |
| public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) { |
| mLifecycle.onCreateOptionsMenu(menu, inflater); |
| super.onCreateOptionsMenu(menu, inflater); |
| } |
| |
| @CallSuper |
| @Override |
| public void onPrepareOptionsMenu(final Menu menu) { |
| mLifecycle.onPrepareOptionsMenu(menu); |
| super.onPrepareOptionsMenu(menu); |
| } |
| |
| @CallSuper |
| @Override |
| public boolean onOptionsItemSelected(final MenuItem menuItem) { |
| boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem); |
| if (!lifecycleHandled) { |
| return super.onOptionsItemSelected(menuItem); |
| } |
| return lifecycleHandled; |
| } |
| } |