Android=》Nitification

public class C4Demo09ForNitificationActivity extends Activity {
    /** Called when the activity is first created. */
NotificationManager nm;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button button1 = (Button)findViewById(R.id.button1);
        Button button2 = (Button)findViewById(R.id.button2);
        button1.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Notification notify = new Notification();
notify.icon = R.drawable.icon;
notify.tickerText = "這是我自己的通知";
notify.when = System.currentTimeMillis();
notify.defaults =Notification.DEFAULT_ALL;
Intent intent = new Intent();
intent.setClass(C4Demo09ForNitificationActivity.this, Second.class);
PendingIntent p = PendingIntent.getActivity(C4Demo09ForNitificationActivity.this , 0, intent, 0);
notify.setLatestEventInfo(C4Demo09ForNitificationActivity.this, "標題", "這是我的通知的內容", p);
nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
nm.notify(0,notify);

}
});
        button2.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
nm.cancel(0);
}
});
    }
}