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 package com.android.launcher3.util;
17 
18 import android.os.Build;
19 import android.window.OnBackAnimationCallback;
20 
21 import androidx.annotation.RequiresApi;
22 
23 /**
24  * Extension of {@link OnBackAnimationCallback} that allows a check to determine
25  * if this callback supports handling back or not
26  */
27 @RequiresApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
28 public interface BackPressHandler extends OnBackAnimationCallback {
canHandleBack()29     boolean canHandleBack();
30 }
31