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Question 469 - H14-231_V1.0 discussion

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Which of the following descriptions of traditional Bluetooth operation is correct for HarmonyOS devices?

A.
Before you start Bluetooth scanning, you need to register for a broadcast BluetoothRemoteDevice.EVENT_DEVICE_DISOOVERED
Answers
A.
Before you start Bluetooth scanning, you need to register for a broadcast BluetoothRemoteDevice.EVENT_DEVICE_DISOOVERED
B.
can initiate a Bluetooth device scan through the startBtDiscovery() interface
Answers
B.
can initiate a Bluetooth device scan through the startBtDiscovery() interface
C.
If you want to get the scanned device, you must inherit the onReceiveEvent (CommonEventData data) method that implements the CommonEventSu business scriber class when you register the broadcast, and receive the EVENT_DEVICE_DISCOVERED broadcast
Answers
C.
If you want to get the scanned device, you must inherit the onReceiveEvent (CommonEventData data) method that implements the CommonEventSu business scriber class when you register the broadcast, and receive the EVENT_DEVICE_DISCOVERED broadcast
D.
You can use the getLocalName() interface to check whether Bluetooth is turned on
Answers
D.
You can use the getLocalName() interface to check whether Bluetooth is turned on
Suggested answer: A, B, C
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asked 18/09/2024
Welber Santos de Oliveira
40 questions
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