1 /*
2  * Copyright (C) 2023 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 android.app;
18 
19 /**
20 * Implemented by the UiModeManager client to receive information about changes from the service.
21 * This is a oneway interface since the server should not block waiting for the client.
22 *
23 * @hide
24 */
25 oneway interface IUiModeManagerCallback {
notifyContrastChanged(float contrast)26   void notifyContrastChanged(float contrast);
27 }
28