Android的Notification的简介-android学习之旅（四十一）

Notification简介

属性方法介绍

代码示例

package peng.liu.test;

import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.TabHost;

public class MainActivity extends Activity {
static final int NOTIFICATION__ID = 0X123;
NotificationManager nm;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

}
public void send(View view){
Intent intent = new Intent(MainActivity.this,MainActivity2.class);
PendingIntent pi = PendingIntent.getActivity(MainActivity.this,0,intent,0);
Notification notification = new Notification.Builder(this).setAutoCancel(true)
.setTicker("新消息")
.setSmallIcon(R.drawable.ic_launcher)
.setContentTitle("new message")
.setContentText("hello world")
.setDefaults(Notification.DEFAULT_SOUND|Notification.DEFAULT_LIGHTS)
.setWhen(System.currentTimeMillis())
.setContentIntent(pi)
.build();
nm.notify(NOTIFICATION__ID,notification);
}
public void dev(View view){
nm.cancel(NOTIFICATION__ID);
}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Button"
android:id="@+id/button"
android:onClick="send"/>

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Button"
android:id="@+id/button2"
android:onClick="dev"/>

</LinearLayout>