1 /*
2  * Copyright (C) 2016 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 
18 package android.app;
19 
20 import java.util.List;
21 
22 /**
23  * FragmentManagerNonConfig stores the retained instance fragments across
24  * activity recreation events.
25  *
26  * <p>Apps should treat objects of this type as opaque, returned by
27  * and passed to the state save and restore process for fragments in
28  * {@link FragmentController#retainNonConfig()} and
29  * {@link FragmentController#restoreAllState(Parcelable, FragmentManagerNonConfig)}.</p>
30  */
31 public class FragmentManagerNonConfig {
32     private final List<Fragment> mFragments;
33     private final List<FragmentManagerNonConfig> mChildNonConfigs;
34 
FragmentManagerNonConfig(List<Fragment> fragments, List<FragmentManagerNonConfig> childNonConfigs)35     FragmentManagerNonConfig(List<Fragment> fragments,
36             List<FragmentManagerNonConfig> childNonConfigs) {
37         mFragments = fragments;
38         mChildNonConfigs = childNonConfigs;
39     }
40 
41     /**
42      * @return the retained instance fragments returned by a FragmentManager
43      */
getFragments()44     List<Fragment> getFragments() {
45         return mFragments;
46     }
47 
48     /**
49      * @return the FragmentManagerNonConfigs from any applicable fragment's child FragmentManager
50      */
getChildNonConfigs()51     List<FragmentManagerNonConfig> getChildNonConfigs() {
52         return mChildNonConfigs;
53     }
54 }
55