H14-231_V1.0 Huawei HCIP-HarmonyOS Application Developer V1.0 exact Exam Questions

HCIP-HarmonyOS Application Developer V1.0

Last Update 19 hours ago Total Questions : 695

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Question # 4

A user migrated video from his mobile phone to a smart screen for playback, using the distributed task scheduling capability of HarmonyOS. In this scenario, the process of connecting the mobile phone to the playback software of the smart screen belongs to the remote connection.

True

False

Question # 5

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

module: {

reqPermissions: [{

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

availableScope: [signatures]

}

module: {

defPermissions: [{

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

grantMode:user grant,

availableScope: [signatures]

}

module: {

defPermissions: [{

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

grantMode:system_grant,

availableScope: [signatures]

}

module: {

defPermissions: [{

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

grantMode:system_grant,

availableScope: [signatures]

}

Question # 6

The network management module of HarmonyOS provides a data network management function, which can effectively manage HTTP caches to reduce data traffic.

True

False

Question # 7

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 uri，String[ ]columns, DataAbilityPredicates predicates)

delete(Uri uri，DataAbilityPredicates predicates)

batchlnsert (Uri uri, ValuesBucket[]values)

insert (Uri uri, ValuesBucket value)

Question # 8

When a developer receives a new product demand and asks users to remake old documents such as paper letters into electronic versions, the application can improve the remake effect of the old documents and make the work more correct. What kind of AI-enabled capabilities can be leveraged by HarmonyOS to achieve this?

Text image is super-resolved

Image super-resolution

Document detection correction

General character recognition

Question # 9

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?

< Text ohos:height="match_content"

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"/ >

< Text ohos:height="match_parent"

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"/ >

< Text ohos:height="match_content"

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"/ >

< Text ohos:height="match_parent"

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"/ >

Question # 10

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

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

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

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

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

Question # 11

HarmonyOS single-version distributed databases do not enable automatic synchronization between networked devices by default, but you can enable automatic synchronization if necessary.

True

False

Question # 12

What are the features of Huawei DevEco Studio, which is a multi-device unified development environment?

Support distributed multi-terminal application development

Support multi-device previewer

Support rapid development of FA (Feature Ability) and PA (Partic1e Ability).

Support multi-device emulators

Question # 13

Which of the following descriptions of traditional Bluetooth operation is correct for HarmonyOS devices?

Bluetooth device scan can be initiated through the startBtDiscovery() interface

Before starting Bluetooth scanning, you need to register to broadcast BluetoothRemoteDevice

EVENT_DEVICE_DISCOVERED

You can use the getLocalName() interface to check whether Bluetooth is turned on

If you want to get the scanned device, you must inherit the onReceiveEvent(CommonEventData data) method that implements the ConmonEventSubscriber class when you register the broadcast, and receive the EVENT_DEVICE_DISCOVERED broadcast

Question # 14

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

AceAbility

PageAbility

ServiceAbility

MainAbility

Question # 15

In order to improve the user experience, a developer uses ScrollView to realize the scrolling display of photos in an album application, and in order to improve the user experience, the developer sets the ScrollView rebound_effect property to true, so that the photo has a rebound effect when sliding to the bottom.

True

False