自定义无序广播和有序广播

package com.example.order;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
public class MainActivity extends Activity {
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
   }
   public void send(View v){
      Intent intent = new Intent();
      intent.setAction("com.example.order.CCTV");   
      /*

       * intent          ：意图
       * receiverPermission ：指定接收者的权限
       * resultReceiver     ：最终的广播接收者
       * scheduler       ：Handler
       * initialCode        ：广播编码
       * initialData        ：设置广播的数据，接收者getResultData()获取数据
       * initialExtras      ：把数据设置到bundle，数据量大的时候用
       */
      //sendOrderedBroadcast(intent, null, new FinalReceiver(), new Handler(), 1,

      //    "给每个码农补贴￥10000元", null);//后两个参数设置数据 //发送自定义有序广播    
      sendBroadcast(intent);//发送自定义无序广播
   }
  

   /**
    * 无论签名的广播怎么拦截怎么终止
    * 都是最后一个接收到广播的接收者
    * 最终的广播接收者
    * 不要在清单文件中注册
   */

   public class FinalReceiver extends BroadcastReceiver{
      @Override
      public void onReceive(Context context, Intent intent) {
         System.out.println("最终接收者："+getResultData());
      }    
   }
}

---

package com.example.code_famer;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class HighCoderFamerReceiver extends BroadcastReceiver { 
   @Override
   public void onReceive(Context context, Intent intent) {
      if ("com.example.order.CCTV".equals(intent.getAction())) {
         String result = getResultData();        
         System.out.println("高级码农："+result);
         //拦截终止广播
//       abortBroadcast();        
         //修改广播里的数据
         setResultData("给每个码农补贴￥1000元");
      }
   }
}

---

package com.example.code_famer;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class MiddleCoderFamerReceiver extends BroadcastReceiver {
   @Override
   public void onReceive(Context context, Intent intent) {
      if ("com.example.order.CCTV".equals(intent.getAction())) {
         String result = getResultData();        
         System.out.println("中级码农："+result);        
         //修改广播里的数据
         setResultData("给每个码农买个糖吃");
      }
   }
}

---

package com.example.code_famer;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class BirdCoderFamerReceiver extends BroadcastReceiver {
  @Override
   public void onReceive(Context context, Intent intent) {
      if ("com.example.order.CCTV".equals(intent.getAction())) {
         String result = getResultData();        
        System.out.println("菜鸟码农："+result);       
      }
   }
}

---

清单文件中:
       <receiver android:name="com.example.code_famer.HighCoderFamerReceiver" >
            <intent-filter android:priority="1000">
                <action android:name="com.example.order.CCTV" />
            </intent-filter>
        </receiver>      
        <receiver android:name="com.example.code_famer.MiddleCoderFamerReceiver" >
            <intent-filter android:priority="0">
                <action android:name="com.example.order.CCTV" />
            </intent-filter>
        </receiver>      
        <receiver android:name="com.example.code_famer.BirdCoderFamerReceiver" >
            <intent-filter android:priority="-1000">
                <action android:name="com.example.order.CCTV" />
            </intent-filter>
        </receiver>