发送一条有序广播

 

//点击按钮  发送大米 
    public void click(View v) {
        
        //发送一条有序广播 
        Intent intent = new Intent();
        //设置一个action
        intent.setAction("com.itheima.rice");
        /**
         * receiverPermission 接收的权限
         * resultReceiver 最为一个最终的receive  最后都能够接收到广播 
         */
        sendOrderedBroadcast(intent, null, new FinalReceiver(), null, 1, "给每个村民发了1000斤大米", null);
        
        
    }

 

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class ProvienceReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        
        //[1]获取到发送广播携带的数据 
        String content = getResultData();
        
        //[2]展示到Toast上
        Toast.makeText(context, "省:"+content, 1).show();
        
        //[2.1]终止广播 
//        abortBroadcast();
        
        //[3]修改数据 (扣留大米)
        setResultData("给每个村民发了500斤大米");
        
        
    }

}

 

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class CityReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        //[1]获取到发送广播携带的数据 
        String content = getResultData();
        
        //[2]展示到Toast上
        Toast.makeText(context, "市:"+content, 1).show();
        
        //[3]修改数据 (扣留大米)
        setResultData("给每个村民发了200斤大米");
        
    }

}

 

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class CountryReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        //[1]获取到发送广播携带的数据 
        String content = getResultData();
        
        //[2]展示到Toast上
        Toast.makeText(context, "乡:"+content, 1).show();

        //[3]修改数据 (扣留大米)
        setResultData("给每个村民发了10斤大米");
        
    }

}

 

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class NongMinReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        
        //[1]获取到发送广播携带的数据 
        String content = getResultData();
        
        //[2]展示到Toast上
        Toast.makeText(context, "农民:"+content, 1).show();
    }

}

 

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

/**
 * 最终的receiver 不需要再清单文件里面配置
 * @author jhon
 *
 */
public class FinalReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        String content = getResultData();

        Toast.makeText(context, "报告"+content, 1).show();
        
        
    }

}

 

　　　　 <!--配置广播接收者  -->
        <receiver android:name="com.itheima.receiverice.ProvienceReceiver">
            <intent-filter 
                android:priority="1000"
                >
                <action android:name="com.itheima.rice"/>
            </intent-filter>
        </receiver>
        
         <receiver android:name="com.itheima.receiverice.CityReceiver">
            <intent-filter 
                android:priority="800"
                >
                <action android:name="com.itheima.rice"/>
            </intent-filter>
        </receiver>
        
             <receiver android:name="com.itheima.receiverice.CountryReceiver">
            <intent-filter 
                android:priority="100"
                >
                <action android:name="com.itheima.rice"/>
            </intent-filter>
        </receiver>
         <receiver android:name="com.itheima.receiverice.NongMinReceiver">
            <intent-filter 
                android:priority="10"
                >
                <action android:name="com.itheima.rice"/>
            </intent-filter>
        </receiver>