| /* |
| * Copyright (C) 2007 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.example.android.apis.app; |
| |
| // Need the following import to get access to the app resources, since this |
| // class is in a sub-package. |
| import com.example.android.apis.R; |
| |
| import android.app.Activity; |
| import android.app.AlarmManager; |
| import android.app.PendingIntent; |
| import android.content.Intent; |
| import android.os.SystemClock; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.widget.Button; |
| import android.widget.Toast; |
| |
| import java.util.Calendar; |
| |
| /** |
| * Example of scheduling one-shot and repeating alarms. See |
| * {@link OneShotAlarm} for the code run when the one-shot alarm goes off, and |
| * {@link RepeatingAlarm} for the code run when the repeating alarm goes off. |
| * <h4>Demo</h4> |
| App/Service/Alarm Controller |
| |
| <h4>Source files</h4> |
| <table class="LinkTable"> |
| <tr> |
| <td class="LinkColumn">src/com.example.android.apis/app/AlarmController.java</td> |
| <td class="DescrColumn">The activity that lets you schedule alarms</td> |
| </tr> |
| <tr> |
| <td class="LinkColumn">src/com.example.android.apis/app/OneShotAlarm.java</td> |
| <td class="DescrColumn">This is an intent receiver that executes when the |
| one-shot alarm goes off</td> |
| </tr> |
| <tr> |
| <td class="LinkColumn">src/com.example.android.apis/app/RepeatingAlarm.java</td> |
| <td class="DescrColumn">This is an intent receiver that executes when the |
| repeating alarm goes off</td> |
| </tr> |
| <tr> |
| <td class="LinkColumn">/res/any/layout/alarm_controller.xml</td> |
| <td class="DescrColumn">Defines contents of the screen</td> |
| </tr> |
| </table> |
| |
| */ |
| // Start with: |
| // adb shell am start com.example.android.apis/.app.AlarmController |
| public class AlarmController extends Activity { |
| Toast mToast; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.alarm_controller); |
| |
| // Watch for button clicks. |
| Button button = (Button)findViewById(R.id.one_shot); |
| button.setOnClickListener(mOneShotListener); |
| button = (Button)findViewById(R.id.one_shot_while_idle); |
| button.setOnClickListener(mOneShotListener); |
| button = (Button)findViewById(R.id.start_repeating); |
| button.setOnClickListener(mStartRepeatingListener); |
| button = (Button)findViewById(R.id.stop_repeating); |
| button.setOnClickListener(mStopRepeatingListener); |
| } |
| |
| private OnClickListener mOneShotListener = new OnClickListener() { |
| public void onClick(View v) { |
| // When the alarm goes off, we want to broadcast an Intent to our |
| // BroadcastReceiver. Here we make an Intent with an explicit class |
| // name to have our own receiver (which has been published in |
| // AndroidManifest.xml) instantiated and called, and then create an |
| // IntentSender to have the intent executed as a broadcast. |
| Intent intent = new Intent(AlarmController.this, OneShotAlarm.class); |
| PendingIntent sender = PendingIntent.getBroadcast(AlarmController.this, |
| 0, intent, 0); |
| |
| // We want the alarm to go off 30 seconds from now. |
| Calendar calendar = Calendar.getInstance(); |
| calendar.setTimeInMillis(System.currentTimeMillis()); |
| calendar.add(Calendar.SECOND, 30); |
| |
| // Schedule the alarm! |
| AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE); |
| |
| switch (v.getId()) { |
| case R.id.one_shot: |
| am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender); |
| break; |
| default: |
| am.setExactAndAllowWhileIdle( |
| AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender); |
| break; |
| } |
| |
| // Tell the user about what we did. |
| if (mToast != null) { |
| mToast.cancel(); |
| } |
| mToast = Toast.makeText(AlarmController.this, R.string.one_shot_scheduled, |
| Toast.LENGTH_LONG); |
| mToast.show(); |
| } |
| }; |
| |
| private OnClickListener mStartRepeatingListener = new OnClickListener() { |
| public void onClick(View v) { |
| // When the alarm goes off, we want to broadcast an Intent to our |
| // BroadcastReceiver. Here we make an Intent with an explicit class |
| // name to have our own receiver (which has been published in |
| // AndroidManifest.xml) instantiated and called, and then create an |
| // IntentSender to have the intent executed as a broadcast. |
| // Note that unlike above, this IntentSender is configured to |
| // allow itself to be sent multiple times. |
| Intent intent = new Intent(AlarmController.this, RepeatingAlarm.class); |
| PendingIntent sender = PendingIntent.getBroadcast(AlarmController.this, |
| 0, intent, 0); |
| |
| // We want the alarm to go off 30 seconds from now. |
| long firstTime = SystemClock.elapsedRealtime(); |
| firstTime += 15*1000; |
| |
| // Schedule the alarm! |
| AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE); |
| am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| firstTime, 15*1000, sender); |
| |
| // Tell the user about what we did. |
| if (mToast != null) { |
| mToast.cancel(); |
| } |
| mToast = Toast.makeText(AlarmController.this, R.string.repeating_scheduled, |
| Toast.LENGTH_LONG); |
| mToast.show(); |
| } |
| }; |
| |
| private OnClickListener mStopRepeatingListener = new OnClickListener() { |
| public void onClick(View v) { |
| // Create the same intent, and thus a matching IntentSender, for |
| // the one that was scheduled. |
| Intent intent = new Intent(AlarmController.this, RepeatingAlarm.class); |
| PendingIntent sender = PendingIntent.getBroadcast(AlarmController.this, |
| 0, intent, 0); |
| |
| // And cancel the alarm. |
| AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE); |
| am.cancel(sender); |
| |
| // Tell the user about what we did. |
| if (mToast != null) { |
| mToast.cancel(); |
| } |
| mToast = Toast.makeText(AlarmController.this, R.string.repeating_unscheduled, |
| Toast.LENGTH_LONG); |
| mToast.show(); |
| } |
| }; |
| } |
| |