BroadcastReceiver的优先级

 <receiver
            android:name=".MyReceiver"
            android:enabled="true"
            android:exported="true" >
            <intent-filter android:priority="9">
                <action android:name="com.example.yabushan.broadercastreceiver.intent.action.MyReceiver" />
            </intent-filter>
        </receiver>
        <receiver
            android:name=".MyReceiver1"
            android:enabled="true"
            android:exported="true" >
            <intent-filter android:priority="10">
                <action android:name="com.example.yabushan.broadercastreceiver.intent.action.MyReceiver" />
            </intent-filter>
        </receiver>

package com.example.yabushan.broadercastreceiver;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
//第一个broadcastReceiver
public class MyReceiver extends BroadcastReceiver {
   // public  final String ACTION="com.example.yabushan.broadercastreceiver.intent.action.MyReceiver";
    public MyReceiver() {
    }

    @Override
    public void onReceive(Context context, Intent intent) {
       System.out.println("接收到广播数据："+intent.getStringExtra("DATA").toString());
    }
}

package com.example.yabushan.broadercastreceiver;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
//第二个BroadercastReceiver
public class MyReceiver1 extends BroadcastReceiver {
    public MyReceiver1() {
    }

    @Override
    public void onReceive(Context context, Intent intent) {
       System.out.println("MyReceiverl 接收到了信息。");
//在androidmanifest.xml中设置该broadcastreceiver的优先级高
        abortBroadcast();
    }
}

package com.example.yabushan.broadercastreceiver;

import android.content.Intent;
import android.content.IntentFilter;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.deleverData).setOnClickListener(this);
        findViewById(R.id.reg).setOnClickListener(this);
        findViewById(R.id.unreg).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.deleverData:
                //这里需要使用隐示Intent
               // Intent  intent=new Intent(this,MyReceiver.class);
              //  System.out.println(myReceiver.ACTION);
                Intent intent=new Intent("com.example.yabushan.broadercastreceiver.intent.action.MyReceiver");
                intent.putExtra("DATA","您好");
               // sendBroadcast(intent);
　　　　　　　　　　//这里需要用排序的发送方式
                sendOrderedBroadcast(intent,null);
                break;
            case R.id.reg:
//注册
                if(myReceiver==null){
                    myReceiver =new MyReceiver();
                    registerReceiver(myReceiver,new IntentFilter(myReceiver.ACTION));
                }
                break;
            case  R.id.unreg:
                if(myReceiver!=null){
                    //解除注册
                    unregisterReceiver(myReceiver);
                }
                break;
        }
    }

    private MyReceiver myReceiver=null;
}