Huawei surepassexam free H14-231_v1 0 Questions Attempt by Igor q139 vce pdf

Page: 33 / 51

Exam Name:	HCIP-HarmonyOS Application Developer V1.0
Exam Code:	H14-231_V1.0 Dumps
Vendor:	Huawei	Certification:	HCIP-HarmonyOS
Questions:	695 Q&A's	Shared By:	igor

Question 132

If a UI is no longer visible to the user, but you don't want to destroy it, which method will the system call to release the corresponding resources?

Options:

onBackground

onPause

onForeground

onInactive

Discussion

Question 133

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?

Options:

TaskDispatcher

Group

lAbilityMlanager

BackgroundTaskManager

Discussion

Question 134

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?

Options:

scrollstart()

scrollend()

scrollto()

scrollby()

Discussion

Question 135

If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a Service Ability to provide the background file download function. Which of the following can call Service Ability in Page Ability?

Options:

onConneCtenxt()

connectPageAbility(intent.connection)

connectAbility(intent.connection);

connectServiceAbility(intent,connection);

Discussion

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