Home / Huawei / H14-231_V1.0

Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 10

Question list

List of questions

Question 91

(0)

A developer tries to update the text of Text directly in a non-UI thread, but the update fails, how to solve the problem of updating the UI of the non-UI thread in HarmomyOS??

Question 92

(0)

Which option is not the process of decoding in the conversion of the following information?

Question 93

(0)

Which of the following security mechanisms can ensure that application data is not maliciously used?

Question 94

(0)

A developer has developed an Image component and written the following code, which of the following descriptions of the component is correct?

Question 95

(0)

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?

Question 96

(0)

In HarmonyOS, which of the following scenarios is the application responsible for instantiation?

Question 97

(0)

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?

Question 98

(0)

After the user migrates the navigation of the mobile phone to the smart watch, if the smart watch needs to obtain the data transmitted from the mobile phone, which of the following methods should it

Question 99

(0)

When a developer is developing a game application, in order to display the download progress of game resources, it is necessary to use a horizontal linear progress bar, which of the following compon

Question 100

(0)

In the JS (JavaScript) UI framework, which layer is connected to the system platform platform by abstracting the platform layer and providing an abstract interface?

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?

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

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

The default size of shared memory in Harmony OS is ?

Question 91

A developer tries to update the text of Text directly in a non-UI thread, but the update fails, how to solve the problem of updating the UI of the non-UI thread in HarmomyOS??

is implemented through the ParallelTaskDispatcher

is implemented through the task dispatcher UITaskDispatcher

is implemented through the SerialTaskDispatcher

is implemented through the task dispatcher GlobalTaskDispatcher

Show Answer Comment (0)

Question 92

Which option is not the process of decoding in the conversion of the following information?

player plays music from the record

Convert the data to audio

Notebook plays video files from the hard drive

Save the photo in digital form

Show Answer Comment (0)

Question 93

Which of the following security mechanisms can ensure that application data is not maliciously used?

Permission management

App permissions

port security

Application security

Show Answer Comment (0)

Question 94

A developer has developed an Image component and written the following code, which of the following descriptions of the component is correct?

The A plant image is scaled to 0.5

The x-axis and y-axis of the B plant image are scaled to 0.5 and the effect is cropped in half

The x and y axes of the C plant image are scaled to 0.5 and the transparency is 0.5

The D plant image is cropped in half

Show Answer Comment (0)

Question 95

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

Show Answer Comment (0)

Question 96

In HarmonyOS, which of the following scenarios is the application responsible for instantiation?

Start an AbilitySlice by navigating

reads a novel through a web page and accidentally clicks on an advertisement, which jumps directly to the app store to request the download of a certain game

Jump to another page via a hyperlink

An app page has messages, contacts, settings, etc., and switch between them

Show Answer Comment (0)

Question 97

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?

is horizontally centered and shifted to the right by 600

The parent layout moves 600 to the top left and right

level is centered

is horizontally centered and shifted 600 to the left

Show Answer Comment (0)

After the user migrates the navigation of the mobile phone to the smart watch, if the smart watch needs to obtain the data transmitted from the mobile phone, which of the following methods should it be obtained?

onSaveData ()

onStartContinuation ()

onRestoreData (

onCompleteContinuation ()

Show Answer Comment (0)

Question 99

When a developer is developing a game application, in order to display the download progress of game resources, it is necessary to use a horizontal linear progress bar, which of the following components can help the developer complete this function?

ToastDialog

RoundProgressBar

PageSlider

ProgressBar

Show Answer Comment (0)

Question 100

In the JS (JavaScript) UI framework, which layer is connected to the system platform platform by abstracting the platform layer and providing an abstract interface?

Application Layer

Front-end frame layer

Engine Layer

Platform adaptation layer

Show Answer Comment (0)

Total 705 questions

8 9 10 11 12

Go to page: of 71