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.quickstep.interaction;
17 
18 import android.app.Activity;
19 
20 import androidx.annotation.Nullable;
21 import androidx.fragment.app.Fragment;
22 import androidx.fragment.app.FragmentActivity;
23 
24 /** Displays one page of the gesture nav tutorial. */
25 public abstract class GestureSandboxFragment extends Fragment {
26 
onAttachedToWindow()27     void onAttachedToWindow() {}
28 
onDetachedFromWindow()29     void onDetachedFromWindow() {}
30 
canRecreateFragment()31     boolean canRecreateFragment() {
32         return false;
33     }
34 
35     @Nullable
recreateFragment()36     GestureSandboxFragment recreateFragment() {
37         return null;
38     }
39 
shouldDisableSystemGestures()40     boolean shouldDisableSystemGestures() {
41         return true;
42     }
43 
close()44     void close() {
45         FragmentActivity activity = getActivity();
46         if (activity != null) {
47             activity.setResult(Activity.RESULT_OK);
48             activity.finish();
49         }
50     }
51 }
52