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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 16

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Question 151

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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 152

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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. Whi

Question 153

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When developing a HarmonyOS application, what methods do I need to call when migrating the FA (Feature Ability) on device A to device B?

Question 154

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In distributed task scheduling, if a developer needs to coordinate access from multiple devices, what field in config.json does a developer need to apply for permission?

Question 155

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A developer now needs to make a motion track recording application, which can report the user's location information in real time. Which of the following is correct?

Question 156

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After a developer sets :ohos:layout_ alignment='horizontal _center' in the Text component, he writes: text.setTranslationX(600) in the code, where is the Text displayed in the parent layout?

Question 157

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When a user is traveling by car, a navigation route is planned on the mobile phone, and after getting into the car, the user migrates the mobile phone navigation to the large screen of the car machi

Question 158

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When a developer calls HarmonyOS Abi1ity Resources (HAR) in an application module, he or she needs to merge the config.json file of HAP and the config.json file of HAR into a single config.json file

Question 159

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A user migrates video from a mobile phone to a smart screen for playback and uses the distributed task scheduling capability of HarmonyOS. Which of the following belongs to the process of opening th

Question 160

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When the user migrates the video on the mobile phone to the smart screen for playback, there will be a pop-up prompt for the user to confirm whether to start the migration. During the migration proc

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?

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?

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.

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 151

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?

onBackground

onPause

onForeground

onInactive

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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 invoke Service Ability in Page Ability?

connectPageAbility(intent,connection)

connectAbility(intent, connection)

onConnect

connectServiceAbility(intent, connection)

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Question 153

When developing a HarmonyOS application, what methods do I need to call when migrating the FA (Feature Ability) on device A to device B?

continueAbility ()

continueAbilityReversibly ()

startAbilityForResult ()

startAbility ()

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Question 154

In distributed task scheduling, if a developer needs to coordinate access from multiple devices, what field in config.json does a developer need to apply for permission?

deviceld

reqPermissions

Intent

name

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Question 155

A developer now needs to make a motion track recording application, which can report the user's location information in real time. Which of the following is correct?

Use RequestParam.SCENE_TRAJECTORY_TRACKING settings to locate the scene

Apply for the ohos.permission.LOCATION permission only in config.json

dynamically requests user authorization only in the code ohos.permission.LOCATION

Use RequestParam.SCENE_NO_POWER settings to locate the scene

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Question 156

After a developer sets :ohos:layout_ alignment='horizontal _center' in the Text component, he writes: text.setTranslationX(600) in the code, where is the Text displayed in the parent layout?

level is centered

is horizontally centered and shifted to the right by 600

The parent layout is moved 600 to the top left and right

is horizontally centered and shifted 600 to the left

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Question 157

When a user is traveling by car, a navigation route is planned on the mobile phone, and after getting into the car, the user migrates the mobile phone navigation to the large screen of the car machine. In this scenario, which interface is used to implement cross-device migration?

IAbilityConnection

IAbilityContinuation

AbilityContinuation

AbilityConnection

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Question 158

When a developer calls HarmonyOS Abi1ity Resources (HAR) in an application module, he or she needs to merge the config.json file of HAP and the config.json file of HAR into a single config.json file when compiling and building a HarmonyS Ability Package (HAP). During the merging process, under what circumstances will the values of tags conflict?

HAP has no label value; The HAR has a tag value, and the value can be B

HAP has a label value, and the value is A; HAR has no label value

Neither HAP nor HAR had labeled values

HAP has a label value, and the value is A. The HAR has a tag value, and the value can be B

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Question 159

A user migrates video from a mobile phone to a smart screen for playback and uses the distributed task scheduling capability of HarmonyOS. Which of the following belongs to the process of opening the smart screen playback software when the mobile phone is migrated in this scenario?

Remote connection

Global query

Remote start

Remote migration

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Question 160

When the user migrates the video on the mobile phone to the smart screen for playback, there will be a pop-up prompt for the user to confirm whether to start the migration. During the migration process, which of the following methods is first called?

onSaveData()

onStartContinuation()

onRestoreData()

onCompleteContinuation()

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