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 
17 package com.android.server;
18 
19 import android.app.job.JobInfo;
20 import android.app.job.JobParameters;
21 import android.app.job.JobScheduler;
22 import android.app.job.JobService;
23 import android.content.ComponentName;
24 import android.content.Context;
25 import android.content.pm.PackageManagerInternal;
26 import android.os.AsyncTask;
27 
28 import java.util.concurrent.TimeUnit;
29 
30 public class PruneInstantAppsJobService extends JobService {
31     private static final boolean DEBUG = false;
32 
33     private static final int JOB_ID = 765123;
34 
35     private static final long PRUNE_INSTANT_APPS_PERIOD_MILLIS = DEBUG
36             ? TimeUnit.MINUTES.toMillis(1) : TimeUnit.DAYS.toMillis(1);
37 
schedule(Context context)38     public static void schedule(Context context) {
39         JobInfo pruneJob = new JobInfo.Builder(JOB_ID, new ComponentName(
40                 context.getPackageName(), PruneInstantAppsJobService.class.getName()))
41                 .setRequiresDeviceIdle(true)
42                 .setPeriodic(PRUNE_INSTANT_APPS_PERIOD_MILLIS)
43                 .build();
44 
45         JobScheduler jobScheduler = context.getSystemService(JobScheduler.class);
46         jobScheduler.schedule(pruneJob);
47     }
48 
49     @Override
onStartJob(JobParameters params)50     public boolean onStartJob(JobParameters params) {
51         AsyncTask.execute(() -> {
52             PackageManagerInternal packageManagerInternal = LocalServices.getService(
53                     PackageManagerInternal.class);
54             packageManagerInternal.pruneInstantApps();
55             jobFinished(params, false);
56         });
57         return true;
58     }
59 
60     @Override
onStopJob(JobParameters params)61     public boolean onStopJob(JobParameters params) {
62         return false;
63     }
64 }