1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE2.0 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 package com.android.server.camera; 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.ContentResolver; 25 import android.content.Context; 26 import android.util.Slog; 27 28 import java.util.concurrent.TimeUnit; 29 30 import com.android.server.LocalServices; 31 32 /** 33 * A JobService to periodically collect camera usage stats. 34 */ 35 public class CameraStatsJobService extends JobService { 36 private static final String TAG = "CameraStatsJobService"; 37 38 // Must be unique within UID (system service) 39 private static final int CAMERA_REPORTING_JOB_ID = 0xCA3E7A; 40 41 private static ComponentName sCameraStatsJobServiceName = new ComponentName( 42 "android", 43 CameraStatsJobService.class.getName()); 44 45 @Override 46 public boolean onStartJob(JobParameters params) { 47 CameraServiceProxy serviceProxy = LocalServices.getService(CameraServiceProxy.class); 48 if (serviceProxy == null) { 49 Slog.w(TAG, "Can't collect camera usage stats - no camera service proxy found"); 50 return false; 51 } 52 53 serviceProxy.dumpUsageEvents(); 54 return false; 55 } 56 57 @Override 58 public boolean onStopJob(JobParameters params) { 59 // All work is done in onStartJob, so nothing to stop here 60 return false; 61 } 62 63 public static void schedule(Context context) { 64 65 JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE); 66 if (js == null) { 67 Slog.e(TAG, "Can't collect camera usage stats - no Job Scheduler"); 68 return; 69 } 70 js.schedule(new JobInfo.Builder(CAMERA_REPORTING_JOB_ID, sCameraStatsJobServiceName) 71 .setMinimumLatency(TimeUnit.DAYS.toMillis(1)) 72 .setRequiresDeviceIdle(true) 73 .build()); 74 75 } 76 77 } 78
