試題詳解

46. 當需要使用 BroadcastReceiver 來攔截特定資訊時，需要先註冊指定的 BroadcastReceiver 和欲攔截的 Broadcast，請問可透過下列何者來註 冊？
(A) registerReceiver (receiver, filter)；
(B) registerBroadcastReceiver (receiver, filter)；
(C) unregisterReceiver (receiver, filter)；
(D) unregisterBroadcastReceiver (receiver, filter)；