1 /* Copyright 2013, The Android Open Source Project
2 **
3 ** Licensed under the Apache License, Version 2.0 (the "License");
4 ** you may not use this file except in compliance with the License.
5 ** You may obtain a copy of the License at
6 **
7 **     http://www.apache.org/licenses/LICENSE-2.0
8 **
9 ** Unless required by applicable law or agreed to in writing, software
10 ** distributed under the License is distributed on an "AS IS" BASIS,
11 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 ** See the License for the specific language governing permissions and
13 ** limitations under the License.
14 */
15 
16 package android.view;
17 
18 import android.view.IWindowFocusObserver;
19 
20 /** {@hide} */
21 interface IWindowId
22 {
registerFocusObserver(IWindowFocusObserver observer)23     void registerFocusObserver(IWindowFocusObserver observer);
unregisterFocusObserver(IWindowFocusObserver observer)24     void unregisterFocusObserver(IWindowFocusObserver observer);
isFocused()25     boolean isFocused();
26 }
27