Android Notifications

Java代码：

package com.example.notificationsdemo;import android.os.Bundle;import android.annotation.SuppressLint;import android.app.Activity;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Intent;import android.graphics.BitmapFactory;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity {private Button sendButton;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);sendButton = (Button)findViewById(R.id.sendBtn);sendButton.setOnClickListener(new OnClickListener() {@SuppressLint("NewApi")@Overridepublic void onClick(View v) {Intent intent = new Intent(MainActivity.this, IntentActivity.class);PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0);Notification.Builder builder = new Notification.Builder(MainActivity.this);builder.setTicker("This is a notificaiton ticker.");   //设置状态栏显示的通知信息builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.recorder));//设置大图标builder.setSmallIcon(R.drawable.smile);//设置小图标，一般为本应用程序的Logo或标志builder.setContentTitle("This is a notification title.");//设置通知的标题builder.setContentText("This is a notification text.");//设置通知的信息内容builder.setWhen(System.currentTimeMillis());//设置发出通知的时间builder.setAutoCancel(true);//设置可以消除builder.setContentIntent(pendingIntent);//设置托盘通知触发的活动（点击托盘的通知时跳转的Activity）Notification notification = builder.getNotification();//获得一个通知对象notification.defaults = Notification.DEFAULT_ALL;//使用一个默认的声音、LED和震动提示通知NotificationManager manager = (NotificationManager)MainActivity.this.getSystemService(NOTIFICATION_SERVICE);manager.notify(1, notification);}});}}