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

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Question # 73

The user migrates the video on the mobile phone to the smart screen for playback, and after the mobile phone saves the data, the smart screen calls back which of the following methods does the user recover the data?

onStartContinuation

onRestoreData

onCompleteContinuation

onSaveData

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Question # 74

If a HarmonyOS engineer is about to debug a HarmonyOS application on an emulator device, which of the following debugging processes is correct?

Check the properties of the config.json fileâ†’set the installation method of the hap packageâ†’set the debugging code typeâ†’start debugging

Set the installation mode of the HAP packageâ†’set the debugging code typeâ†’check the properties of the configjson fileâ†’start debugging

Set the installation method of the HAP packageâ†’check the properties of the configjson fileâ†’set the debugging code typeâ†’start debugging

Set the debuggingcode typeâ†’check the properties of the config.json fileâ†’set the installation method of the HAP packageâ†’start debugging

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Question # 75

Before developing the NFC function, a HarmonyOS developer must first confirm whether the device supports the NFC function and whether the NFC is turned on.

NFC basic query

Access to the security element

card emulation

NFC message notification

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Question # 76

Which of the following does not belong to the system service layer in the HarmonyOS system architecture?

Distributed data management

Ability

Distributed task scheduling

Distributed soft bus

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Question # 77

Which of the following is NOT a capability provided by Distributed Device Virtualization in HarmonyOS?

device is virtual

Decision-making centre

Device management

Data Processing

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Question # 78

Which of the following modules does a developer need to call to check whether the HarmonyOS cellular data service is enabled?

@ohos.telephony.sms

@ohos.telephony.data

@ohos.telephony.sim

@ohos.telephony.call

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Question # 79

When a developer needs to create a Service Ability when developing a background service, which of the following processes is NOT the step to create the Ability?

onStart

onCommand

onStop

onActive

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Question # 80

In order to cope with complex application business logic, a developer needs to create multiple threads to perform multiple tasks. In this case, the code is complex and difficult to maintain, and the interaction between tasks and threads becomes more complex. To solve this problem, which of the following interfaces can the developer use to distribute different tasks?

TaskDispatcher

Group

lAbilityMlanager

BackgroundTaskManager

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