| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.pm; |
| |
| import android.app.AlarmManager; |
| import android.app.job.JobInfo; |
| import android.app.job.JobParameters; |
| import android.app.job.JobScheduler; |
| import android.app.job.JobService; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.os.ServiceManager; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * {@hide} |
| */ |
| public class BackgroundDexOptService extends JobService { |
| static final String TAG = "BackgroundDexOptService"; |
| |
| static final long RETRY_LATENCY = 4 * AlarmManager.INTERVAL_HOUR; |
| |
| static final int BACKGROUND_DEXOPT_JOB = 800; |
| private static ComponentName sDexoptServiceName = new ComponentName( |
| "android", |
| BackgroundDexOptService.class.getName()); |
| |
| /** |
| * Set of failed packages remembered across job runs. |
| */ |
| static final ArraySet<String> sFailedPackageNames = new ArraySet<String>(); |
| |
| final AtomicBoolean mIdleTime = new AtomicBoolean(false); |
| |
| public static void schedule(Context context) { |
| JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE); |
| JobInfo job = new JobInfo.Builder(BACKGROUND_DEXOPT_JOB, sDexoptServiceName) |
| .setRequiresDeviceIdle(true) |
| .setRequiresCharging(true) |
| .setPeriodic(TimeUnit.DAYS.toMillis(1)) |
| .build(); |
| js.schedule(job); |
| } |
| |
| @Override |
| public boolean onStartJob(JobParameters params) { |
| Log.i(TAG, "onStartJob"); |
| final PackageManagerService pm = |
| (PackageManagerService)ServiceManager.getService("package"); |
| |
| if (pm.isStorageLow()) { |
| Log.i(TAG, "Low storage, skipping this run"); |
| return false; |
| } |
| final ArraySet<String> pkgs = pm.getOptimizablePackages(); |
| if (pkgs == null || pkgs.isEmpty()) { |
| Log.i(TAG, "No packages to optimize"); |
| return false; |
| } |
| |
| final JobParameters jobParams = params; |
| mIdleTime.set(true); |
| new Thread("BackgroundDexOptService_DexOpter") { |
| @Override |
| public void run() { |
| for (String pkg : pkgs) { |
| if (!mIdleTime.get()) { |
| // Out of the idle state. Stop the compilation. |
| return; |
| } |
| if (sFailedPackageNames.contains(pkg)) { |
| // skip previously failing package |
| continue; |
| } |
| if (!pm.performDexOpt(pkg, /* instruction set */ null, /* checkProfiles */ true, |
| PackageManagerService.REASON_BACKGROUND_DEXOPT, /* force */ false)) { |
| // there was a problem running dexopt, |
| // remember this so we do not keep retrying. |
| sFailedPackageNames.add(pkg); |
| } |
| } |
| // ran to completion, so we abandon our timeslice and do not reschedule |
| jobFinished(jobParams, false); |
| } |
| }.start(); |
| return true; |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters params) { |
| Log.i(TAG, "onIdleStop"); |
| mIdleTime.set(false); |
| return false; |
| } |
| } |