1.创建一个broadercaster
package com.example.yabushan.broadercastreceiver;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class MyReceiver extends BroadcastReceiver {
public MyReceiver() {
}
@Override
public void onReceive(Context context, Intent intent) {
System.out.println("接收到的消息："+intent.getStringExtra("DATA").toString());
}
}
package com.example.yabushan.broadercastreceiver;
import android.content.Intent;
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);
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.deleverData:
Intent intent=new Intent(this,MyReceiver.class);
intent.putExtra("DATA","您好");
sendBroadcast(intent);
break;
}
}
}
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.yabushan.broadercastreceiver" > <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> //需要在这里注册 <receiver android:name=".MyReceiver" android:enabled="true" android:exported="true" > </receiver> </application> </manifest>
原文：http://www.cnblogs.com/yabushan/p/4992876.html