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 package com.android.wallpaper.picker;
17 
18 import androidx.appcompat.app.AppCompatActivity;
19 
20 /**
21  * Base activity that keeps track of whether fragment transactions are safe to commit given the
22  * activity's current lifecycle state.
23  */
24 public class BaseActivity extends AppCompatActivity {
25 
26     private boolean mIsSafeToCommitFragmentTransaction;
27 
28     @Override
onResume()29     protected void onResume() {
30         super.onResume();
31         mIsSafeToCommitFragmentTransaction = true;
32     }
33 
34     @Override
onPause()35     protected void onPause() {
36         super.onPause();
37         mIsSafeToCommitFragmentTransaction = false;
38     }
39 
isSafeToCommitFragmentTransaction()40     public boolean isSafeToCommitFragmentTransaction() {
41         return mIsSafeToCommitFragmentTransaction;
42     }
43 }
44