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

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Notification简介

Notification位于手机饿最上面，用于显示手机的各种信息，包括网络状态，电池状态，时间等。

属性方法介绍

这里写图片描述

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>

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