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1 /*
2  ** Copyright 2020, 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 package android.app;
17 
18 import android.content.res.Configuration;
19 import android.view.IWindow;
20 
21 /**
22  * Callback to receive configuration changes from {@link com.android.server.WindowToken}.
23  * WindowToken can be regarded to as a group of {@link android.view.IWindow} added from the same
24  * visual context, such as {@link Activity} or one created with
25  * {@link android.content.Context#createWindowContext(int)}. When WindowToken receives configuration
26  * changes and/or when it is moved between displays, it will propagate the changes to client side
27  * via this interface.
28  * @see android.content.Context#createWindowContext(int)
29  * {@hide}
30  */
31 oneway interface IWindowToken {
onConfigurationChanged(in Configuration newConfig, int newDisplayId)32     void onConfigurationChanged(in Configuration newConfig, int newDisplayId);
33 
onWindowTokenRemoved()34     void onWindowTokenRemoved();
35 }
36