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.flags;
18 
19 import android.flags.SyncableFlag;
20 
21 /**
22  * Callback for {@link IFeatureFlags#registerCallback} to get alerts when a {@link DynamicFlag}
23  * changes.
24  *
25  * DynamicFlags can change at run time. Stable flags will never result in a call to this method.
26  *
27  * @hide
28  */
29 oneway interface IFeatureFlagsCallback {
onFlagChange(in SyncableFlag flag)30     void onFlagChange(in SyncableFlag flag);
31 }