1 /*
2  * Copyright 2018 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 androidx.work.impl.background.systemalarm;
18 
19 import android.content.BroadcastReceiver;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.os.Build;
23 import android.os.Handler;
24 import android.os.Looper;
25 import android.util.Log;
26 
27 import androidx.work.WorkManager;
28 import androidx.work.impl.WorkManagerImpl;
29 
30 import java.util.concurrent.TimeUnit;
31 
32 /**
33  * Reschedules alarms on BOOT_COMPLETED and other similar scenarios.
34  */
35 public class RescheduleReceiver extends BroadcastReceiver {
36 
37     private static final String TAG = "RescheduleReceiver";
38 
39     @Override
onReceive(Context context, Intent intent)40     public void onReceive(Context context, Intent intent) {
41         if (Build.VERSION.SDK_INT >= WorkManagerImpl.MIN_JOB_SCHEDULER_API_LEVEL) {
42             if (WorkManager.getInstance() == null) {
43                 // WorkManager has not already been initialized.
44                 Log.e(TAG,
45                         "Cannot reschedule jobs. WorkManager needs to be initialized via a "
46                                 + "ContentProvider#onCreate() or an Application#onCreate().");
47             } else {
48                 // This helps set up rescheduling of Jobs with JobScheduler. We are doing nothing
49                 // for 10 seconds, to give ForceStopRunnable a chance to reschedule.
50                 Handler handler = new Handler(Looper.getMainLooper());
51                 final PendingResult pendingResult = goAsync();
52                 handler.postDelayed(new Runnable() {
53                     @Override
54                     public void run() {
55                         pendingResult.finish();
56                     }
57                 }, TimeUnit.SECONDS.toMillis(10));
58             }
59         } else {
60             Intent reschedule = CommandHandler.createRescheduleIntent(context);
61             context.startService(reschedule);
62         }
63     }
64 }
65