/*
* 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;
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;
// 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;
/**
* This is an example of implementing an application service that runs locally
* in the same process as the application. The {@link LocalServiceController}
* and {@link LocalServiceBinding} classes show how to interact with the
* service.
*
* <p>Notice the use of the {@link NotificationManager} when interesting things
* happen in the service. This is generally how background services should
* interact with the user, rather than doing something more disruptive such as
* calling startActivity().
*/
public class LocalService extends Service
{
@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();
intent.setClass(this, LocalServiceController.class);
// Display a notification about us starting. We use both a transient
// notification and a persistent notification in the status bar.
mNM.notifyWithText(R.string.local_service_started,
getText(R.string.local_service_started),
NotificationManager.LENGTH_SHORT,
new Notification(
R.drawable.stat_sample,
getText(R.string.local_service_label),
intent,
null,
null));
}
@Override
protected void onDestroy()
{
// Cancel the persistent notification.
mNM.cancel(R.string.local_service_started);
// Tell the user we stopped.
mNM.notifyWithText(R.string.local_service_stopped,
getText(R.string.local_service_stopped),
NotificationManager.LENGTH_SHORT,
null);
}
@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;
}
|