Home / Huawei / H14-231_V1.0

Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 13

Question list

List of questions

Question 121

(0)

When a developer specifies a music playback service through an intent when closing a remote service, the developer can realize the ability to disable music playback on remote devices.

Question 122

(0)

If a developer wants to develop a Data Ability for the storage and management of application data, which of the following can help the developer realize the function of inserting multiple pieces of

Question 123

(0)

When a developer develops a HarmomyOS application, if a Text component is used as the title bar of the page, and its width is set to match_parent and its height is set to 50vp, how can the text cont

Question 124

(0)

After a developer completes the development of a Harmony OS application, it needs to be published to AppGallery

Question 125

(0)

The user migrates the video on the mobile phone to the smart screen for playback, and after the mobile phone saves the data, the smart screen calls back which of the following methods is used to rec

Question 126

(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 Service Ability to provide the background file download function. Whi

Question 127

(0)

A developer wants to implement a registration and login function, and there are two pages, namely registration page A and login page B. When jumping from registration page A to login page B, which o

Question 128

(0)

In order to ensure better responsiveness of the application, developers need to use the task distributor to design the priority of the task.

Question 129

(0)

When a developer adds a Harmony OS app on the AppGallery web page, which platform does the developer need to choose to add the app?

Question 130

(0)

The permission scope of Harmony OS refers to which applications can apply for a permission, which of the following fields does not belong to the permission open scope?

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.

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.

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

Question 121

When a developer specifies a music playback service through an intent when closing a remote service, the developer can realize the ability to disable music playback on remote devices.

Disconnect remote FA (Feature Ability).

Disabling Remote PA (Particle Ability)

Connect to remote PA (Particle Ability)

FA (Feature Ability) is a cross-line device migration

Show Answer Comment (0)

If a developer wants to develop a Data Ability for the storage and management of application data, which of the following can help the developer realize the function of inserting multiple pieces of data into the database at one time?

query (Uri uriString[ ]columns, DataAbilityPredicates predicates)

delete(Uri uriDataAbilityPredicates predicates)

batchlnsert (Uri uri, ValuesBucket[]values)

insert (Uri uri, ValuesBucket value)

Show Answer Comment (0)

Question 123

When a developer develops a HarmomyOS application, if a Text component is used as the title bar of the page, and its width is set to match_parent and its height is set to 50vp, how can the text content in the Text be centered when setting its properties in the layout file?

ohos:thorizontal_center=true'

ohos:center_inparent='true'

ohos:layout_alignment=center

ohos:text_alignment=center

Show Answer Comment (0)

Question 124

After a developer completes the development of a Harmony OS application, it needs to be published to AppGallery

Apply for the release of certificates and profile files create an AGC project create a HarmonyOS app generate a key and certificate request file compile and build the app and put it on the app marketplace

Generate a key and certificate request file create an AGC project create a HarmonyOS app apply for a certificate and profile file compile and build the app, put it on the Marketplace

Apply for the release of certificates and profile files compile and build apps create AGC projects create HarmonyOS apps generate keys and certificate request files and put them on the app marketplace

Generate a key and certificate request file create an AGC project create a HarmonyOS app compile and build an app apply for a certificate and Profi1e file, and list it on the Marketplace

Show Answer Comment (0)

Question 125

The user migrates the video on the mobile phone to the smart screen for playback, and after the mobile phone saves the data, the smart screen calls back which of the following methods is used to recover the data?

onSaveData ()

onStartContinuation ()

onRestoreData ()

onCompleteContinuation ()

Show Answer Comment (0)

Question 126

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 call Service Ability in Page Ability?

onConneCtenxt()

connectPageAbility(intent.connection)

connectAbility(intent.connection);

connectServiceAbility(intent,connection);

Show Answer Comment (0)

Question 127

A developer wants to implement a registration and login function, and there are two pages, namely registration page A and login page B. When jumping from registration page A to login page B, which of the following is correct about the lifecycle of the two pages?

A(INACTIVE)B(INITIAL)B(ACTIVE)A(BACKGROUND)

B(INITIAL)B(ACTIVE)A(INITIAL)A(BACKGROUND)

A(INACTIVE)A(BACKGROUND)B(INITIAL) B(ACTIVE)

A(INACTIVE)B(INITIAL)A(BACKGROUIND) B(ACTIVE)

Show Answer Comment (0)

Question 128

In order to ensure better responsiveness of the application, developers need to use the task distributor to design the priority of the task.

DEFAULT

MIDDLE

HIGH

LOW

Show Answer Comment (0)

Question 129

When a developer adds a Harmony OS app on the AppGallery web page, which platform does the developer need to choose to add the app?

quick application

Android

Web

HarmonyOS app

Show Answer Comment (0)

Question 130

The permission scope of Harmony OS refers to which applications can apply for a permission, which of the following fields does not belong to the permission open scope?

privileged

signature

restricted

deivced

Show Answer Comment (0)

Total 705 questions

11 12 13 14 15

Go to page: of 71