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 17 package com.example.android.supportv4.content; 18 19 import android.app.Activity; 20 import android.app.AlarmManager; 21 import android.app.PendingIntent; 22 import android.content.Intent; 23 import android.os.Bundle; 24 import android.view.View; 25 import android.widget.Button; 26 import android.widget.Toast; 27 28 import com.example.android.supportv4.R; 29 30 import java.util.Calendar; 31 32 public 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 @Override 48 public void onClick(View v) { 49 // When the alarm goes off, we want to broadcast an Intent to our 50 // BroadcastReceiver. Here we make an Intent with an explicit class 51 // name to have our own receiver (which has been published in 52 // AndroidManifest.xml) instantiated and called, and then create an 53 // IntentSender to have the intent executed as a broadcast. 54 Intent intent = new Intent(SimpleWakefulController.this, SimpleWakefulReceiver.class); 55 PendingIntent sender = PendingIntent.getBroadcast(SimpleWakefulController.this, 56 0, intent, 0); 57 58 // We want the alarm to go off 30 seconds from now. 59 Calendar calendar = Calendar.getInstance(); 60 calendar.setTimeInMillis(System.currentTimeMillis()); 61 calendar.add(Calendar.SECOND, 30); 62 63 // Schedule the alarm! 64 AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE); 65 am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender); 66 67 // Tell the user about what we did. 68 if (mToast != null) { 69 mToast.cancel(); 70 } 71 mToast = Toast.makeText(SimpleWakefulController.this, R.string.simple_wakeful_scheduled, 72 Toast.LENGTH_LONG); 73 mToast.show(); 74 } 75 }; 76 } 77
