Android--Notification

main.xml代码如下：

<?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:id="@+id/mytext"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="我的登录状态："/>    <Spinner        android:id="@+id/spinner"        android:layout_width="fill_parent"        android:layout_height="wrap_content" /></LinearLayout>

.java 代码如下：

package org.lxh.demo;import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.DialogInterface;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnFocusChangeListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.AdapterView.OnItemSelectedListener;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.EditText;import android.widget.Spinner;import android.widget.TextView;public class Hello extends Activity {private NotificationManager myNotification;private Spinner spinner;private ArrayAdapter<String>  myAdapter;private static final String[] status={"在线","离开","忙碌","马上回来","离线"};public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState); // 生命周期方法super.setContentView(R.layout.main); // 设置要使用的布局管理器this.myNotification=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);this.myAdapter=new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,this.status);this.spinner=(Spinner)super.findViewById(R.id.spinner);this.spinner.setAdapter(myAdapter);this.spinner.setOnItemSelectedListener(new Item());}private class Item implements OnItemSelectedListener{private void setNotiType(int iconId, String text) {Intent notifyIntent=new Intent(Hello.this,Test.class);notifyIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);PendingIntent appIntent=PendingIntent.getActivity(Hello.this, 0, notifyIntent, 0);Notification noti=new Notification();noti.icon=iconId;noti.tickerText=text;noti.defaults=Notification.DEFAULT_SOUND;noti.setLatestEventInfo(Hello.this, "MSN登录状态", text, appIntent);myNotification.notify(0,noti);}public void onItemSelected(AdapterView<?> parent, View v, int position,long id) {if(Hello.this.status[position].equals("在线")){setNotiType(R.drawable.msn,"在线");}else if(Hello.this.status[position].equals("离开")){setNotiType(R.drawable.away,"离开");}else if(Hello.this.status[position].equals("忙碌")){setNotiType(R.drawable.busy,"忙碌");}else if(Hello.this.status[position].equals("马上回来")){setNotiType(R.drawable.min,"马上回来");}else {setNotiType(R.drawable.offine,"离线");}}public void onNothingSelected(AdapterView<?> arg0) {}}}

Test.java代码如下：

package org.lxh.demo;import android.app.Activity;import android.os.Bundle;import android.widget.Toast;public class Test extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);Toast.makeText(this, "这是模拟MSN切换登录状态的程序", Toast.LENGTH_SHORT);finish();}}

配置权限：<activity android:name=".Test"></activity>

运行如下：

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