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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 58

Question list

List of questions

Question 571

(0)

If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a ServiceAbility to provide a background file download function. If you

Question 572

(0)

In order to improve the image quality of network source images, developers can use the Instant Messaging (IM) class intent recognition interface provided by HarmoyOS.

Question 573

(0)

When a developer is developing a HarmonyOS application, if part of the text in the value field of the JSON resource files of different types of elements in the Element directory does not need to be

Question 574

(0)

A developer uses continueAbility() to migrate the distributed news application of the mobile phone to the large screen, and the large screen can also migrate the news browsing page back to the mobil

Question 575

(0)

Sservice Abilit calls the onCommand() method after the creation is completed, and the method can be called once when the client starts the service for the first time, and there is no need to call it

Question 576

(0)

If the third-party library used by the developer involves permission management, the permission needs to be declared one by one in the config.json file of the application.

Question 577

(0)

When installing the HarmonyOS application development environment, if the network can directly access the Internet, developers need to set up Gradle and NPM agents to configure the development envir

Question 578

(0)

AR (HarmonyOSAbilityResources) Different HAPs (HarmonyOSAbilityPackage), HAR cannot be installed and run on the device independently, and can only be referenced as a dependency of the application mo

Question 579

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A Page Instance can contain a group of related pages, and each page is represented by an AbilitySlice instance.

Question 580

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Components can neither be displayed nor interact with when they are not added to a layout, so a user interface contains at least one layout.

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

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 ?

An engineer uses the WLAN P2P function, and the engineer can establish a P2P group.

After the page is jumped or overwritten, it will enter the INACTIVE state, but the resources will not be released, and when the page switches back to the ACTIVE state, the click event will still respond normally.

Question 571

If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a ServiceAbility to provide a background file download function. If you want to perform some operations in the Service Ability after connecting to the Service Ability in the Page Ability, you need to implement the onConnect() method in the Service Ability.

True

False

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Question 572

In order to improve the image quality of network source images, developers can use the Instant Messaging (IM) class intent recognition interface provided by HarmoyOS.

True

False

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Question 573

When a developer is developing a HarmonyOS application, if part of the text in the value field of the JSON resource files of different types of elements in the Element directory does not need to be processed by the translator and will not be displayed on the application interface, a special structure can be used to identify the content that does not need to be translated

True

False

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Question 574

A developer uses continueAbility() to migrate the distributed news application of the mobile phone to the large screen, and the large screen can also migrate the news browsing page back to the mobile phone.

True

False

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Question 575

Sservice Abilit calls the onCommand() method after the creation is completed, and the method can be called once when the client starts the service for the first time, and there is no need to call it again in the future

True

False

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Question 576

If the third-party library used by the developer involves permission management, the permission needs to be declared one by one in the config.json file of the application.

True

False

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Question 577

When installing the HarmonyOS application development environment, if the network can directly access the Internet, developers need to set up Gradle and NPM agents to configure the development environment correctly.

True

False

Show Answer Comment (0)

Question 578

AR (HarmonyOSAbilityResources) Different HAPs (HarmonyOSAbilityPackage), HAR cannot be installed and run on the device independently, and can only be referenced as a dependency of the application module.

True

False

Show Answer Comment (0)