sdk/sources/android-25/android/app/FragmentManagerNonConfig.java

   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
  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      */
  44     List<Fragment> getFragments() {
  45         return mFragments;
  46     }
  47
  48     /**
  49      * @return the FragmentManagerNonConfigs from any applicable fragment's child FragmentManager
  50      */
  51     List<FragmentManagerNonConfig> getChildNonConfigs() {
  52         return mChildNonConfigs;
  53     }
  54 }