<receiver android:name=".MyBroadCast1"></receiver>

        <receiver android:name=".MyBroadCast2">

            <intent-filter>

                <action android:name="com.lucky"></action>

            </intent-filter>

        </receiver>

package com.lucky.test40broadcastreceiver;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button button1;

    Button button2;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        button1=findViewById(R.id.button);

        button2=findViewById(R.id.button2);

        button1.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                Intent intent=new Intent(MainActivity.this,MyBroadCast1.class);

                sendBroadcast(intent); //发送广播

            }

        });

        button2.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                //设置Action为com.lucky，会在AndroidManifest.xml中的receiver中启动action为com.lucky的广播

                Intent intent=new Intent();

                intent.setAction("com.lucky");

                sendBroadcast(intent);

            }

        });

    }

}

package com.lucky.test40broadcastreceiver;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.widget.Toast;

//MyBroadCast1广播接收器

public class MyBroadCast1 extends BroadcastReceiver {

    @Override

    public void onReceive(Context context, Intent intent) {

        Toast.makeText(context,"接收到广播",Toast.LENGTH_SHORT).show();

    }

}

package com.lucky.test40broadcastreceiver;

import android.app.Notification;

import android.app.NotificationManager;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.Build;

import android.support.annotation.RequiresApi;

public class MyBroadCast2 extends BroadcastReceiver {

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN)

    @Override

    public void onReceive(Context context, Intent intent) {

        //采用通知的形式

        NotificationManager manager= (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

        Notification.Builder builder=new Notification.Builder(context);

        builder.setSmallIcon(R.mipmap.ic_launcher); //给通知设置图标

        builder.setTicker("广播消息"); //设置提示消息

        builder.setContentTitle("您有一条广播消息");//设置内容标题

        builder.setContentText("hello lucky");    //设置通知内容

        manager.notify(0x01,builder.build()); //让通知显示

    }

}

package com.lucky.test41broadcastreceiver2;

import android.content.Intent;

import android.content.IntentFilter;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button button1;

    MyBroadCast myBroadCast;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        button1=findViewById(R.id.button);

        //注册广播

        myBroadCast=new MyBroadCast(); //实例化广播接收器

        IntentFilter intentFilter=new IntentFilter();//实例化一个过滤器

        intentFilter.addAction("com.lucky"); //添加action来明确接收哪种类型的广播

        registerReceiver(myBroadCast,intentFilter);//注册广播

        button1.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                //发送广播

                Intent intent=new Intent();

                intent.setAction("com.lucky");

                sendBroadcast(intent);

            }

        });

    }

}

package com.lucky.test41broadcastreceiver2;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.widget.Toast;

public class MyBroadCast extends BroadcastReceiver {

    @Override

    public void onReceive(Context context, Intent intent) {

        Toast.makeText(context,"hello lucky",Toast.LENGTH_SHORT).show();

    }

}