学步园

java代码

package mars.com;

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

public class Demo extends Activity {
	private Notification notification;
	private NotificationManager notificationManager;
	private Button button1;
	private Button button2;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		button1 = (Button) findViewById(R.id.button1);
		button2 = (Button) findViewById(R.id.button2);

		String service = NOTIFICATION_SERVICE;// 获取系统服务
		notificationManager = (NotificationManager) getSystemService(service);

		notification = new Notification();
		notification.icon = R.drawable.ic_launcher;// 指定图标
		notification.tickerText = "测试";// 指定提示信息
		notification.when = System.currentTimeMillis();// 指定时间
		button1.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				Intent intent = new Intent(Demo.this, Demo.class);
				PendingIntent pendingIntent = PendingIntent.getActivity(
						Demo.this, 0, intent, 0);
				notification.setLatestEventInfo(Demo.this, "我的标题", "我的内容",
						pendingIntent);
				notificationManager.notify(1, notification);// 发出通知

			}
		});

		button2.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				notificationManager.cancel(1);// 取消通知
			}
		});
	}
}

xml文件

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

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="发出通知" />


    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="取消通知" />

</LinearLayout>