SimpleWakefulController.java revision 892f76ff05e47ede28413dcdc4cb8036dee8bece 
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
19import com.example.android.supportv4.R;
20
21import android.app.Activity;
22import android.app.AlarmManager;
23import android.app.PendingIntent;
24import android.content.Intent;
25import android.os.Bundle;
26import android.view.View;
27import android.widget.Button;
28import android.widget.Toast;
29
30import java.util.Calendar;
31
32public class SimpleWakefulController extends Activity {
33    Toast mToast;
34
35    @Override
36	protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38
39        setContentView(R.layout.wakeful_alarm_controller);
40
41        // Watch for button clicks.
42        Button button = (Button)findViewById(R.id.schedule);
43        button.setOnClickListener(mScheduleListener);
44    }
45
46    private View.OnClickListener mScheduleListener = new View.OnClickListener() {
47        public void onClick(View v) {
48            // When the alarm goes off, we want to broadcast an Intent to our
49            // BroadcastReceiver.  Here we make an Intent with an explicit class
50            // name to have our own receiver (which has been published in
51            // AndroidManifest.xml) instantiated and called, and then create an
52            // IntentSender to have the intent executed as a broadcast.
53            Intent intent = new Intent(SimpleWakefulController.this, SimpleWakefulReceiver.class);
54            PendingIntent sender = PendingIntent.getBroadcast(SimpleWakefulController.this,
55                    0, intent, 0);
56
57            // We want the alarm to go off 30 seconds from now.
58            Calendar calendar = Calendar.getInstance();
59            calendar.setTimeInMillis(System.currentTimeMillis());
60            calendar.add(Calendar.SECOND, 30);
61
62            // Schedule the alarm!
63            AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
64            am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender);
65
66            // Tell the user about what we did.
67            if (mToast != null) {
68                mToast.cancel();
69            }
70            mToast = Toast.makeText(SimpleWakefulController.this, R.string.simple_wakeful_scheduled,
71                    Toast.LENGTH_LONG);
72            mToast.show();
73        }
74    };
75}
76