1、建立廣播接收器：

/**
 * 作者：created by meixi
 * 郵箱：[email protected]
 * 日期：2018/11/1 09
 */
public class MyBroadcastReceiver extends BroadcastReceiver {

    //需要實現的方法
    @Override
    public void onReceive(Context context, Intent intent) {

        Log.i("lgq","sssssssMyBroadcastReceiver"+intent.getStringExtra("br"));

    }
}

2、靜態註冊廣播

<receiver android:name="com.administrator.receivers.MyBroadcastReceiver"
    android:exported="true"
    android:enabled="true">

    <intent-filter>
        <action android:name="com.weimore.example.MY_BROADCAST"/>
    </intent-filter>
</receiver>

3、動態註冊廣播

//自定義的廣播接收器
MyBroadcastReceiver mReceiver = new MyBroadcastReceiver();
//過濾器，其中傳入一個action
IntentFilter filter = new IntentFilter("com.weimore.example.MY_BROADCAST");
//註冊廣播
registerReceiver(mReceiver,filter);

需要注意的是，動態註冊的廣播接收器一定要登出，在onDestroy方法中呼叫unregisterReceiver(recevier);

4、傳送廣播

                //建立Intent物件
                Intent intent = new Intent();
//                Intent intent = new Intent( MainActivity.this, MyBroadcastReceiver.class);//靜態註冊寫法
                //指定action
                intent.setAction("com.weimore.example.MY_BROADCAST");//動態註冊寫法
                intent.putExtra("br","llllgggqqq");
                //傳送廣播
                sendBroadcast(intent);

5、外部應用通過action傳送廣播，實現程序間通訊

                Intent intent = new Intent();
//                Intent intent = new Intent( MainActivity.this, MyBroadcastReceiver.class);
                //指定action
                intent.setAction("com.weimore.example.MY_BROADCAST");
                intent.putExtra("br","llllgggqqqweilaisssss");
                //傳送廣播
                sendBroadcast(intent);