在 Android 开发中广播接收器动态注册发送广播广播接收器无法接收到广播问题原因intent.setComponent(component)会将广播变为显式广播而显式广播无法被动态注册的广播接收器接收处理策略发送隐式广播TestReceiverreceivernewTestReceiver();IntentFilterintentFilternewIntentFilter(TestReceiver.ACTION);registerReceiver(receiver,intentFilter);ButtonbtnSendfindViewById(R.id.btn_send);btnSend.setOnClickListener(v-{IntentintentnewIntent();intent.setAction(TestReceiver.ACTION);sendBroadcast(intent);});