Android开发之Notification

package com.linxiaosheng.pro6127;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Notification;
import android.app.Notification.Builder;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

@SuppressLint("NewApi")
public class Pro6127_3_2 extends Activity{
private Button button1;
private Button button2;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.pro6127_3_2);
button1=(Button)findViewById(R.id.button1);
button2=(Button)findViewById(R.id.button2);
button1.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
sendNotification();
}
});
button2.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
removeNotification();
}
});

}
public void sendNotification(){
Builder builder=new Builder(this);
builder.setSmallIcon(R.drawable.ic_launcher);
builder.setTicker("hello");
builder.setWhen(System.currentTimeMillis());
builder.setContentTitle("通知");
builder.setContentText("通知栏");
builder.setDefaults(Notification.DEFAULT_ALL);
Intent intent=new Intent(this,Pro6127_3_2.class);

PendingIntent pendingIntent=PendingIntent.getActivity(this, 0, intent, 0);
builder.setContentIntent(pendingIntent);
NotificationManager manager=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
Notification notification=builder.build();
manager.notify(1, notification);

}

public void removeNotification(){
NotificationManager manager=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
manager.cancel(1);
}
}