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H14-231_V1.0 Exam Dumps : HCIP-HarmonyOS Application Developer V1.0

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HCIP-HarmonyOS Application Developer V1.0 Questions and Answers

Question 1

When a developer clicks the exit button of an application to release Page Ability resources, which callback method in the Page Ability lifecycle will be triggered?

Options:

A.

onForeground()

B.

onStop()

C.

onInactive()

D.

onBackground()

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Question 2

When testing the Bluetooth Low Energy feature of HarmonyOS, a developer needs to make the central device perform Bluetooth scanning. Which of the following descriptions of the developer's actions are correct?

Options:

A.

Get scan filter, if the filter isempty, it is not used to scan without filter

B.

calls startScan() to start scanning the Bluetooth device

C.

Before performing Bluetooth scanning, it is necessary to inherit the advertiseCallback class to implement startResultEvent

Callback, which is used to receive scan results

D.

Call the BleCentralManager(BleCentralManagerCal1lback callback)API to obtain the device management object

Question 3

Which of the following NFC functions can developers use when developing apps based on HarmonyOS?

Options:

A.

NFC message notification

B.

Access to the security element

C.

card emulation

D.

NFC basic query