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H14-231_V1.0 Huawei HCIP-HarmonyOS Application Developer V1.0 Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Huawei H14-231_V1.0 HCIP-HarmonyOS Application Developer V1.0 certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 695 questions

If an engineer is about to debug a Harmony OS application on an emulator device, which of the following correct debugging processes is the following?

A.

Check the properties of theconfig.json file→the device debugging code type→the installation method of the HarmonyOS Ability Package (HAP) package

B.

Check the attributes of the config.json file→→the installation method of the HarmonyOS Ability Package (HAP) package

C.

Set the code type→device HAP (HarmonyOSAbility Package) package installation method→check the config.json file attributes

D.

Toinstall the HarmonyOS Ability Package (HAP) package on a device→check the attributes of the config.json file→the debugging code type of the device

A developer has developed with the Text component, and the effect is as follows, which piece of code can be used to achieve the effect?

A.

ohos:width="match_content"

ohos:text="HarmonyOS:Hello world!"

ohos:text_color="$color: white"

ohos:text_size="100"

ohos:multiple_lines="true"

ohos:top_margin="15"

ohos:left_margin="15"

ohos:right_margin="15"

ohos:background_element="$graphic:background_text"/>

B.

ohos:width="match_parent"

ohos:text="HarmonyOS:Hello world!"

ohos:text_color="$color: white"

ohos:text_size="100"

ohos:multiple_lines="true"

ohos:top_margin="15"

ohos:left_margin="15"

ohos:right_margin="15"

ohos:background_element="$graphic:background_text"/>

C.

ohos:width="match_parent"

ohos:text="HarmonyOS:Hello world!"

ohos:text_color="$color: white"

ohos:text_size="100"

ohos:multiple_lines="false"

ohos:top_margin="15"

ohos:left_margin="15"

ohos:right_margin="15"

ohos:background_element="$graphic:background_text"/>

D.

ohos:width="match_content"

ohos:text="HarmonyOS:Hello world!"

ohos:text_color="$color: white"

ohos:text_size="100"

ohos:multiple_lines="false"

ohos:top_margin="15"

ohos:left_margin="15"

ohos:right_margin="15"

ohos:background_element="$graphic:background_text"/>

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

A.

Permission management

B.

App permissions

C.

port security

D.

Application security

A developer obtains a log content: static finalHiLogLabel LABEL = new HiLogLabe1

(HiLog.LOG_APP,Ox00201, "MY_TAG"); Which of the following information can't be obtained?

A.

log level

B.

The business area of the log

C.

Log ID

D.

Log type

In a HarmonyOS application, which of thefollowing and the ComponentContainer object are actually composed of the interface elements that the user sees?

A.

DirectionLayout

B.

DependentLayout

C.

Component

D.

TableLayout

Which of the following products belongs to the security products in the smart homeecology?

A.

Large-screen refrigerator

B.

smart door lock

C.

Rice cooker

D.

Water heater

The developer uses device A (local device) to control device B (remote device) to open the album, which distributed task scheduling capability is used in this scenario?

A.

Enable remote FA (Feature Ability).

B.

Connect to a remote PA (Particle Ability).

C.

Start the remote PA (Particle Ability).

D.

Particle Ability (PA)

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?

A.

onSaveData ()

B.

onStartContinuation ()

C.

onRestoreData ()

D.

onCompleteContinuation ()

When designing an application, the program needs to include the global configuration information of the application and the configuration information of the HarmonyOS Ability Package (HAP). In which file can the developer configure this information?

A.

build.gradle

B.

Manifest.xml

C.

MainAbility.java

D.

config.json

A developer is developing an alarm clock application, which of the following components can be used to set the hour, minute, and second of the alarm clock?

A.

Checkbox

B.

Switch

C.

DatePicker

D.

TimePicker

If a HarmonyOS engineer is about to debug a HarmonyOS application on an emulator device, which of the following debugging processes is correct?

A.

Check the properties of the config.json file→set the installation method of the hap package→set the debugging code type→start debugging

B.

Set the installation mode of the HAP package→set the debugging code type→check the properties of the configjson file→start debugging

C.

Set the installation method of the HAP package→check the properties of the configjson file→set the debugging code type→start debugging

D.

Set the debuggingcode type→check the properties of the config.json file→set the installation method of the HAP package→start debugging

If a developer wants to develop an application on a smart screen, which of the following subsystems will he use?

A.

DV subsystem

B.

Proprietary business subsystem of smart screen

C.

Media Subsystem

D.

Safety subsystem

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?

A.

onSaveData ()

B.

onStartContinuation ()

C.

onRestoreData (

D.

onCompleteContinuation ()

How do I define the permissionscorrectly when a developer needs to customize the permissions for a third-party application forHarmony OS?

A.

module: {

reqPermissions: [{

name:com.myability.permission.MYPERMISSION,grantMode:system_grant,

availableScope: [signatures]

}

}

B.

module: {

defPermissions: [{

name:name:com.myability.permission.lNTERNET,

grantMode:user grant,

availableScope: [signatures]

}

}

module: {

defPermissions: [{

C.

name:name:com.myability.permission.INTERNET,

grantMode:system_grant,

availableScope: [signatures]

}

}

module: {

defPermissions: [{

D.

name:name:com.myability.permission.MYPERMISSION,

grantMode:system_grant,

availableScope: [signatures]

}

}

Which of the following is NOT acomponent of the Harmony OS object-relational mapping database?

A.

Object data manipulation interface

B.

Database

C.

Solid object

D.

Relationship table

In HarmonyOS application development, where can commonly used backgrounds, such as common text backgrounds and button backgrounds, be placed?

A.

graphic

B.

media

C.

layout

D.

element

When the developer jumps to a new page through the button button, the following code is created. If you don't add "" Button button = (Button) findComponentByld(ResourceTable.ld_button) ;" What happens to this line of code?

Public void onStart(Intent intent){

super.onStart(intent);

super.setUlContent

(ResourceTable.Layout_ability_main);

Button button =

(Button)findComponentByld(ResourceTable.ld_button);

button.setClickedListener(listener -> present(new

SecondAbilitySlice(),new Intent()));

}

A.

When you click the button again, the ability crashes

B.

buttonbutton does not show up on the layout

C.

Clicking the button does not respond

D.

Click the button button to jump to a new page

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?

A.

onConneCtenxt()

B.

connectPageAbility(intent.connection)

C.

connectAbility(intent.connection);

D.

connectServiceAbility(intent,connection);

In the Page Ability lifecycle of HarmonyOS, when the system creates a Page instance for the first time, which of the following callback methods will be triggered first?

A.

onStart()

B.

onActive()

C.

onInactive()

D.

onStop()

It is necessary to apply for the permission of certain operation sensitive capabilities. Which of the following is NOT considered a sensitive capability?

A.

camera

B.

Make a call

C.

Photo

D.

Microphone

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

A.

KAL (Kernel Abstract Layer)

B.

Ability

C.

UI

D.

HDF (Hardware Driver Foundation)

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?

A.

onSaveData()

B.

onStartContinuation()

C.

onRestoreData()

D.

onCompleteContinuation()

A HarmonyOSuser downloads and installs a new app that has declared some non-sensitive permissions in the config.json file, and the app may involve some sensitive permissions during operation. Which of the following is correct in this scenario?

A.

For sensitive permissions that may be involved in the operation of the application, the authorization method is system authorization (system_grant)

B.

For the non-sensitive permissions declared by the application in the config.json file, the application will be dynamically applied for during use

C.

Non-sensitive permissions declared by the app in the config.json file are automatically granted when the user installs the app

D.

For the non-sensitive permissions declared by the app in the config.json file, the authorization method is user authorization (user_grant).

An engineer uses a local simulator for application debugging, which of the following describes the error of the local simulator?

A.

You can run both the application-compatible signed and unsigned HAP (HarmonyOSAbility Package) on the local simulator

B.

By default, DevEco Studio does not automatically match the corresponding deviceemulator

C.

The default shortcut to start running is Shift+F10

D.

The local emulator can run and debug HarmonyOS applications for Lite Wearable and Smart Vision devices

If the user displays the navigation information on the mobile phone and the smart watch at the same time, if the smart watch is out of power, causing the navigation information to terminate the display, which callback method will the navigation application on the mobile phone receive the termination notification?

A.

onCompleteContinuation

B.

onRestoreData

C.

onRemoteTerminated

D.

onSaveData

When a developer is developing a HarmonyOSapplication, if he needs to annotate information for a certain resource file of different types of elements in the Element directory to facilitate the understanding and use of the resource, which of the following methods can be added (XXX represents the comment text)?

A.

"comment": "xxX"

B.

#XXX

C.

/+××X+/ or /XXX

D.

xXxX

When a developer needs to specify the exact coordinates of the x-axis and y-axis of a sub-component when laying out a component, which layout can be used to achieve this function?

A.

DirectionalLayout

B.

PositionLayout

C.

DependentLayout

D.

StackLayout

In order to help users find data in the app through the global search app, a HarmonyOSdeveloper needs to index the data of the app and configure the global search searchable entities. Which of the following interfaces can the developer choose to index their application data?

A.

Converged search interface

B.

Distributed data service interface

C.

Data storage management interface

D.

Relational data services

If a developer needs to solve problems such as insufficient image resolution and image compression noise, which of the following AI capabilities can be used by HarmonyOS?

A.

Document Detection Correction

B.

General Character Recognition

C.

Entity Recognition

D.

Image super-resolution

Which of the following is NOT part of the software exposure capabilities provided by HarmonyOS Connect?

A.

chip

B.

Cloud services

C.

Huawei HarmonyoS operating system

D.

Device Partner Platform

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