Notification和NotificationManager的使用
//主要代码package com.ck;import android.app.Activity;import android.app.Notification;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;public class NotificationActivity extends Activity {private Button button1,button2;private Notification n;private NotificationManager nm;private static final int ID = 1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); button1 = (Button)findViewById(R.id.button1); button2 = (Button)findViewById(R.id.button2); nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE); n = new Notification(); int icon = n.icon = R.drawable.ic_launcher; String test = "this is notification speaking,,"; long when = System.currentTimeMillis(); n.icon = icon; n.tickerText = test; n.when = when; button1.setOnClickListener(sendListener); button2.setOnClickListener(cancelListener); } private OnClickListener sendListener = new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubIntent intent = new Intent(NotificationActivity.this,SecondActivity.class);PendingIntent pi = PendingIntent.getActivity(getApplicationContext(), 0, intent, 0);n.setLatestEventInfo(getApplicationContext(), "ck", "chenkai", pi);nm.notify(ID,n);}};private OnClickListener cancelListener = new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubnm.cancel(ID);}}; }