/*
* 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 app.test;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
/**
* 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. Demo
* App/Service/Alarm Controller
*
* Source files
*
*
* src/com.example.android.apis/app/Test.java
* The activity that lets you schedule alarms
*
*
* src/com.example.android.apis/app/OneShotAlarm.java
* This is an intent receiver that executes when the
* one-shot alarm goes off
*
*
* src/com.example.android.apis/app/RepeatingAlarm.java
* This is an intent receiver that executes when the
* repeating alarm goes off
*
*
* /res/any/layout/alarm_controller.xml
* Defines contents of the screen
*
*
*/
public class Test extends Activity {
Toast mToast;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Watch for button clicks.
Button button = (Button) findViewById(R.id.one_shot);
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(Test.this, OneShotAlarm.class);
PendingIntent sender = PendingIntent.getBroadcast(Test.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);
am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender);
// Tell the user about what we did.
if (mToast != null) {
mToast.cancel();
}
mToast = Toast.makeText(Test.this, "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(Test.this, RepeatingAlarm.class);
PendingIntent sender = PendingIntent.getBroadcast(Test.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(Test.this, "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(Test.this, RepeatingAlarm.class);
PendingIntent sender = PendingIntent.getBroadcast(Test.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(Test.this, "repeating_unscheduled",
Toast.LENGTH_LONG);
mToast.show();
}
};
}
/**
* This is an example of implement an {@link BroadcastReceiver} for an alarm that
* should occur once.
*
* When the alarm goes off, we show a Toast, a quick message.
*/
class OneShotAlarm extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
Toast.makeText(context, "one_shot_received", Toast.LENGTH_SHORT).show();
}
}
/**
* This is an example of implement an {@link BroadcastReceiver} for an alarm
* that should occur once.
*/
class RepeatingAlarm extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "repeating_received", Toast.LENGTH_SHORT)
.show();
}
}
//main.xml
android:layout_width="match_parent" android:layout_height="match_parent">
android:layout_weight="0"
android:paddingBottom="4dip"
android:text="alarm_controller"/>
android:text="one_shot_alarm">
android:text="start_repeating_alarm" />
android:text="stop_repeating_alarm" />