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

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Question # 89

Which of the following interfaces can repeatedly call a function with a fixed time delay between each call?

setTimeout?

setlnterval

clearTimeout

clearlnterval

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Question # 90

If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmonyOS. If you want to set the color of unchecked text to black. Which of the following codes is correct?

ohos:selected_tab_indicator_color=#000000

ohos:tab_indicator_type=#000000

ohos:normal_text_color=#000000

ohos:selected _text_color=#000000

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Question # 91

In the declarative development paradigm, which of the following decorator decorated state variables needs to be initialized locally, and the initialized value can be overridden by the construction parameters?

@State

@ObjectLink

@StorageLink

@Prop

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Question # 92

If a developer wants to develop a Data Ability for the storage and management of application data, which of the following can help the developer realize the function of inserting multiple pieces of data into the database at one time?

insert (Uri uri,ValuesBucket value)

delete(Uri uri,DataAbilityPredicates predicates)

query (Uri uriï¼ŒString[ ]columns,DataAbilityPredicates predicates)

batchlnsert (Uri uri, ValuesBucket[]values)

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Question # 93

When a developer is developing a JavaSriptUI page of a shopping software,he needs to use the list component to display the product information, and which method of the list can be used to scroll to the specified item?

scrollstart()

scrollend()

scrollto()

scrollby()

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Question # 94

A developer obtains a log content: static final HiLogLabel LABEL = new HiLogLabe1 (HiLog.LOG_APP,0x00201,"MY_TAG");

Which of the following information can't be obtained?

log level

The business area of the log

Log ID

Log type