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Question 1

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Which field must the meta service package name end in?

Question 2

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There are two Text components in the Row component, if the justifyContent alignment method is used, which of the following properties can be aligned to the left and right ends

Question 3

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When is the aboutToAppear() of the custom component executed?

Question 4

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When creating a test user for a meta-service, you need to select the storage location of the user list

Question 5

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After the release of the open beta version, how do the invited test users experience?

Question 6

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When the system creates a page instance for the first time, which method will be called?

Question 7

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When the system destroys a page, which of the following callback methods will be triggered?

Question 8

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The JS UI framework of Harmony OS is a cross-device high-performance UI development framework that supports declarative programming and cross-device polymorphic UI. Which layer of the JS UI framewor

Question 9

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If the HarmonyOS user displays the navigation information on the mobile phone and the smart watch at the same time, if the smart watch is out of power, causing the navigation information to stop dis

Question 10

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After developing a HarmonyOS application, the developer needs to package the application into an app for publishing it to AppGallery. You can use DevEco Studio to generate a key, in what format is t

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Related questions

When a developer is developing an online education application, in order to improve the user experience, if the user Answer:s the question correctly, a dialog box of 'Congratulations on the correct Answer:' will pop up at the top of the window.

Which of the following sorting types does the trusted list of devices found by HarmonyOS Device Manager contain?

fter a developer sets :ohos:layout_alignment='horizontal_center' in the Text component, he writes: text.setMarginRight (600) in the code, where is the Text displayed in the parent layout?

In the HarmonyOS system architecture, the distributed data management module belongs to the framework layer.

Which modules in the following figure can be installed and operated independently?

A developer needs to cancel a task, but part of the code segment he wrote was deleted by mistake. The remaining codes are as follows, with the missing codes indicated by the dash: TaskDispatcher dispatcher = getUlTaskDispatcher(); Revocable revocable = ________________________(new Runnable(){ @Overide Public void run(){ HiLog.info(L . ABEL_ _LOG,'delay dispatch'); } },10); Boolean revoked = revocable.revoke(); HiL og.info(L _ABEL_ LOG),'%{public}b' ,revoked); Which of the following might be missing pieces in the above code?

The default size of shared memory in Harmony OS is ?

A developer is developing a flight booking application, and uses the sliding selector Picker to select the location of the ticket and writes the following code.

Which of the following classes is the base class for JavaScript FA (Feature Ability) to run on HarmonyOS?

The callback mechanism provided by the Ability class can enable the Page instance to switch in the background following the user's operation.

Question 513 - H14-231_V1.0 discussion

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What are the data management methods provided by HarmonyOS?

A.

preference

B.

Distributed data services

C.

Relational databases

D.

Distributed data objects

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asked 18/09/2024

Babak Sadeghpour

28 questions

User

Your answer: A B C D

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