/*
* Copyright (C) 2007 Google Inc.
*
* 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.google.android.samples.app;
// Need the following import to get access to the app resources, since this
// class is in a sub-package.
import com.google.android.samples.R;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.Service;
import android.content.Intent;
import android.os.BinderNative;
import android.os.IBinder;
import android.os.Parcel;
/**
* This is an example of implementing an application service that will run in
* response to an alarm, allowing us to move long duration work out of an
* intent receiver.
*
* @see AlarmService
* @see AlarmService_Alarm
*/
public class AlarmService_Service extends Service implements Runnable
{
@Override
protected void onCreate()
{
mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
// This is who should be launched if the user selects our persistent
// notification.
Intent intent = new Intent(this, AlarmService.class);
// We are going to display a notification for the entire time that we
// are running.
mNM.notifyWithText(R.string.alarm_service_started,
getText(R.string.alarm_service_started),
NotificationManager.LENGTH_SHORT,
new Notification(
R.drawable.stat_sample,
getText(R.string.alarm_service_label),
intent,
null,
null));
// Start up the thread running the service. Note that we create a
// separate thread because the service normally runs in the process's
// main thread, which we don't want to block.
Thread thr = new Thread(null, this, "AlarmService_Service");
thr.start();
}
@Override
protected void onDestroy()
{
// Cancel the persistent notification.
mNM.cancel(R.string.alarm_service_started);
// Tell the user we stopped.
mNM.notifyWithText(R.string.alarm_service_finished,
getText(R.string.alarm_service_finished),
NotificationManager.LENGTH_SHORT,
null);
}
public void run()
{
// Normally we would do some work here... for our sample, we will
// just sleep for 30 seconds.
long endTime = System.currentTimeMillis() + 15*1000;
while (System.currentTimeMillis() < endTime) {
synchronized (mBinder) {
try {
mBinder.wait(endTime - System.currentTimeMillis());
} catch (Exception e) {
}
}
}
// Done with our work... stop the service!
this.stopSelf();
}
@Override
public IBinder getBinder()
{
return mBinder;
}
// This is the object that receives interactions from clients. See
// RemoteService for a more complete example.
private final IBinder mBinder = new BinderNative()
{
@Override
protected boolean onTransact(int code, Parcel data, Parcel reply, int flags) {
return super.onTransact(code, data, reply, flags);
}
};
private NotificationManager mNM;
}
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