Android notifications通知欄的使用，android通知欄訊息

Android notifications通知欄的使用，android通知欄訊息

app發送通知訊息到通知欄中的關鍵代碼和點擊事件：

package com.example.notifications;import android.os.Bundle;import android.app.Activity;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.support.v4.app.NotificationCompat;import android.view.Menu;import android.view.View;public class MainActivity extends Activity {public static final int notifi_id=0x1;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);            }        public void sendNotifi(View v){    NotificationCompat.Builder builder=new NotificationCompat.Builder(this);    builder.setSmallIcon(R.drawable.ic_launcher);    builder.setContentTitle("您有一條新訊息");    builder.setContentText("新年快樂！");    builder.setTicker("新訊息");    builder.setDefaults(Notification.DEFAULT_ALL);    //builder.setAutoCancel(true);    Intent intent=new Intent(this,Second.class);    PendingIntent pi=PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);    builder.setContentIntent(pi);    //builder.setOngoing(true);//常駐通知    //建立一個對象通知    Notification n=builder.build();    //擷取系統的通知管理器，然後發送通知    NotificationManager nm=(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);    nm.notify(notifi_id,n);    }        }