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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 6

Question list

List of questions

Question 51

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When the engineer is developing JS (JavaScript), the application can successfully load the local image in the common path, but cannot load the network image.

Question 52

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Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?

Question 53

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

Question 54

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HarmonyOS supports developers to customize permissions in the 'reqPermissions' field to access permission-protected objects

Question 55

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When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses. Which of the followin

Question 56

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If a developer wants to achieve the effect of page swiping in an application, which of the following components does the developer need to select?

Question 57

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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?

Question 58

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In the HarmonyOS system architecture, which of the following provides unified peripheral access capabilities and driver development management framework?

Question 59

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A developer designs a game application with MainAbility on the home page, click the game icon on the desktop, and then press the Home button to hide the game in the background, how does the life cyc

Question 60

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When the user clicks on a song from the music list page and jumps to the playback interface of the song, the principle is that the page route routes to the destination page according to which of the

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 51

When the engineer is developing JS (JavaScript), the application can successfully load the local image in the common path, but cannot load the network image.

ohos.permission.READ.MEDIA

ohos.permssion.WRITE_MEDIA

ohos.permission.INTERNET

ohos.permission.GET_NETWORK_INFO

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Question 52

Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?

Event Notification Service subsystem

Telephone service subsystem

Multimedia subsystem

Location Services subsystem

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Question 53

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

Jump to another page through a hyperlink

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

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

Start an AbilitySlice by navigating

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Question 54

HarmonyOS supports developers to customize permissions in the 'reqPermissions' field to access permission-protected objects

config.json

ability_main.xml

MainAbilityS1ice.java

string.json

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When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses. Which of the following codes can be used to achieve the above requirements?

ohos:truncation_mode=ellipsis_at_start

ohos: truncation_mode=auto_scrolling

ohos:truncation_mode=ellipsis_at_middle

ohos:truncation_mode=ellipsis_at_end

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Question 56

If a developer wants to achieve the effect of page swiping in an application, which of the following components does the developer need to select?

PageSlider

ToastDialog

webView

ProgressBar

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Question 57

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?

onForeground()

onInactive( )

onPause()

onBackground( )

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Question 58

In the HarmonyOS system architecture, which of the following provides unified peripheral access capabilities and driver development management framework?

KAL (Kernel Abstract Layer)

Ability

HDF (Hardware Driver Foundation)

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Question 59

A developer designs a game application with MainAbility on the home page, click the game icon on the desktop, and then press the Home button to hide the game in the background, how does the life cycle of MainAbility change?

onStart ()onResume()---onInActive()onBackground()

onStart()onActive()onInActive()onStop()

onStart()---onActive()onInActive()

onStart()onActive()onlnActive()onBackground()

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Question 60

When the user clicks on a song from the music list page and jumps to the playback interface of the song, the principle is that the page route routes to the destination page according to which of the following?

router.push

router.back

uri

intent

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