1/*
2 * Copyright (C) 2013 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
17package com.example.android.supportv4.content;
18
19//BEGIN_INCLUDE(complete)
20import android.app.IntentService;
21import android.content.Intent;
22import android.os.SystemClock;
23import android.util.Log;
24
25public class SimpleWakefulService extends IntentService {
26    public SimpleWakefulService() {
27        super("SimpleWakefulService");
28    }
29
30    @Override
31    protected void onHandleIntent(Intent intent) {
32        // At this point SimpleWakefulReceiver is still holding a wake lock
33        // for us.  We can do whatever we need to here and then tell it that
34        // it can release the wakelock.  This sample just does some slow work,
35        // but more complicated implementations could take their own wake
36        // lock here before releasing the receiver's.
37        //
38        // Note that when using this approach you should be aware that if your
39        // service gets killed and restarted while in the middle of such work
40        // (so the Intent gets re-delivered to perform the work again), it will
41        // at that point no longer be holding a wake lock since we are depending
42        // on SimpleWakefulReceiver to that for us.  If this is a concern, you can
43        // acquire a separate wake lock here.
44        for (int i=0; i<5; i++) {
45            Log.i("SimpleWakefulReceiver", "Running service " + (i+1)
46                    + "/5 @ " + SystemClock.elapsedRealtime());
47            try {
48                Thread.sleep(5000);
49            } catch (InterruptedException e) {
50            }
51        }
52        Log.i("SimpleWakefulReceiver", "Completed service @ " + SystemClock.elapsedRealtime());
53        SimpleWakefulReceiver.completeWakefulIntent(intent);
54    }
55}
56//END_INCLUDE(complete)
57