1 /*
2  * Copyright (C) 2017 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 package com.android.incallui.incalluilock;
18 
19 /**
20  * Prevents the {@link com.android.incallui.InCallActivity} from auto-finishing where there are no
21  * calls left. Acquired through {@link
22  * com.android.incallui.InCallPresenter#acquireInCallUiLock(String)}. Example: when a dialog is
23  * still being displayed to the user the InCallActivity should not disappear abruptly when the call
24  * ends, this lock should be held to keep the activity alive until it is dismissed.
25  */
26 public interface InCallUiLock {
27 
release()28   void release();
29 }
30