10 BroadcastReceiver

------------------------main.java----------------------

package com.example.yh;


import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;


public class MainActivity extends ActionBarActivity {


Button send;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 获取程序界面中的按钮
send = (Button) findViewById(R.id.send);
send.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
// 创建Intent对象
Intent intent = new Intent();
// 设置Intent的Action属性
intent.setAction("org.crazyit.action.CRAZY_BROADCAST");
intent.putExtra("msg" , "简单的消息");
// 发送广播
sendBroadcast(intent);
}
});
}
}

--------------------------MyReceiver.java----------------

package com.example.yh;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;


/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> 
 * <br/>Copyright (C), 2001-2012, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class MyReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
Toast.makeText(context , "接收到的Intent的Action为："
+ intent.getAction() 
+ "\n消息内容是：" + intent.getStringExtra("msg")
, 5000)
.show();
}
}

。。。。。。。。。main.xml。。。。。。。。。。。。。

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

//权限

 <receiver android:name=".MyReceiver">
<intent-filter>
<action android:name="org.crazyit.action.CRAZY_BROADCAST" />
</intent-filter>
</receiver>