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

HCIP-HarmonyOS Application Developer V1.0

Last Update 56 minutes ago Total Questions : 695

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Question # 166

When a developer is developing a smart home application, the Switch component will be used to represent the switch of some devices, and ON should be displayed on the ON status component, and 0FF should be displayed on the closed state component. You can use the following code to meet your needs:

Switch btnSwitch=

(Switch)findComponentByld(ResourceTable.

ld_btn_switch);

btnSwitch.setStateOffText("ON");

btnSwitch.setStateOnText("OFF");

True

False

Question # 167

When a developer is developing an application, he uses DevEco Studio to create an empty Java project, but does not install Node.js separately, and can still develop the project normally.

True

False

Question # 168

When developers use HarmonyOS distributed terminals, which of the following items can ensure that the system is safe and reliable?

In the process of cross-terminal flow of distributed data, the data is classified and hierarchically managed

Distributed multi-terminal collaborative identity authentication

Build a trusted operating environment on distributed terminals

The distributed terminal must be a Huawei product

Question # 169

Which of the following service management mechanisms does HarmonyOS's distributed task scheduling consist of?

Service Registration

Service discovery

Service calls

Service synchronization

Question # 170

The Ark Development Framework of HarmonyOS includes a Web-like development paradigm based on TS extensions and a declarative development paradigm based on JS extensions.

True

False

Question # 171

If you need to use a composite animation, you can combine multiple animated objects and add them to the AnimatorGroup. The AnimatorGroup provides two methods: runSerially() and runParallel(). Indicates that the animation starts at the same time and that the animation starts sequentially.

True

False

Question # 172

What is the correct description of the http module?

HTTP requests support common request methods, such as get, post, and put.

can use on(headersReceive') to subscribe to the request response header.

The parameters of the post request can be specified in extraData.

After the createHttp command is successfully executed, an httpRequest object is returned, which includes the request, destroy, on, and off methods.

Question # 173

Which of the following properties can be used for components that contain text elements, such as Text, Button, TextInput, etc.?

fontColor

fontSize

fontStyle

fontWeight

fontFamily

Question # 174

Which of the following subsystem sets are included in the basic capability subsystem of the HarmonyOS system architecture?

Distributed task scheduling

Distributed data management

Media Subsystem

User Program Framework

Question # 175

The description of the ForEach(arr,itemGenerator,index) component is correct

ForEach can loop through logical code, such as console.info ('hello').

The first parameter must be an array, providing a data source for circular rendering.

The second parameter generates the lambda function of the child component, which generates the child component for each array item in the data source.

The third parameter is an anonymous function that generates a unique and stable key value for a given array item.

Question # 176

If a developer uses the startAbility() method provided in Ability to start a Service, what are the correct descriptions of starting the Service?

If the Service is running, the system will call back the onStart() method of the Service to start the Service

If the Service is running, the system will call back the onCommand() method of the Service to start the Service

If the Service is not already running, the system will call the onCommand() method to start the Service

If the Service is not yet running, the system will call onStart() to initialize the Service

Question # 177

What services will be automatically activated after a HarmonyOS Cloud development project is created?

SCF

Cloud Database

Cloud storage

Certification services

Question # 178

A manufacturer uses the HarmonyOS system to produce a smart oven, which is a lightweight system device in HarmonyOS.

True

False

Question # 179

If a developer develops a HarmonyOS application and remotely launches a Page on phone B, which of the following permissions does not require the user to request authorization by sending a pop-up window at runtime?

ohos.permission.GET_DISTRIBUTED_DEVICE_INFO

ohos.permission.DISTRIBUTED_DEVICE_STATE_CHANGE

ohos.permission.GET_BUNDLE_INFO

ohos.permission.DISTRIBUTED_DATASYNC