Android--使用Notification在通知栏显示消息

　　在一个Activity中点击按钮，产生一个通知栏消息通知。

package cn.luxh.mynotice;



import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.app.Activity;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.Intent;



public class MainActivity extends Activity {

    private static String TAG = "MyNotice";

    private static int notificationID = 1;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        handleBtnDisplayNotification();

    }

    

    /**

     * 点击按钮，创建消息通知

     */

    private void handleBtnDisplayNotification() {

        Button btnDisplayNotification = (Button) findViewById(R.id.btn_display_notice);

        btnDisplayNotification.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                Log.i(TAG, "点击按钮");

                Intent i = new Intent(MainActivity.this,NoticeViewActivity.class);

                i.putExtra("notificationID", notificationID);

                PendingIntent pi = PendingIntent.getActivity(MainActivity.this, 0, i, 0);

                NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

            

                //创建通知对象

                Notification n = new Notification.Builder(MainActivity.this)

                                                                    .setContentTitle("有来自黑莓的新邮件")

                                                                    .setContentText("黑莓，依然经典！")

                                                                    .setSmallIcon(R.drawable.ic_launcher)

                                                                    .setContentIntent(pi)

                                                                    .build();

                //振动手机

                n.vibrate = new long[]{100,250,100,500};

                nm.notify(notificationID, n);

            }

        });

    }



    



}

package cn.luxh.mynotice;



import android.app.Activity;

import android.app.NotificationManager;

import android.os.Bundle;

import android.util.Log;



/**

 * 在通知栏点击通知后显示消息的界面

 * @author Luxh

 *

 */

public class NoticeViewActivity extends Activity{

    

    private static String TAG = "MyNotice";

    

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        Log.i(TAG, "NoticeViewActivity onCreate");

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_notice_view);

        

        NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

        //取消通知

        nm.cancel(getIntent().getExtras().getInt("notificationID"));

    }

}

 

运行效果：