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Huawei H14-231_V1.0 Exam Syllabus Topics:

Huawei HCIP-HarmonyOS Application Developer V1.0 Sample Questions:

Question 1

When a developer clicks the exit button of an application to release PageAbility resources, which callback method in the ability lifecycle of the Pag package will betriggered?

A. onBackground( )
B. onStop( )
C. onInactive( )
D. onForeground( )

Question 2

If a developer wants to use the JavaScript UI framework to develop a graffiti application that allows users to draw custom graphics, which of the following components can be used by the developer?

A. canvas
B. video
C. grid-container
D. button

Question 3

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

A. If the Service is not already running, the system will call the onCommand() method to start the Service
B. If the Service is running, the system will call back theonStart() method of the Service to start the Service
C. If the Service is running, the system will call back the onCommand() method of theService to start the Service
D. If the Service is not yet running, the system will call onStart() to initialize the Service

Question 4

When a developer is developing a flight booking application, he needs to use the sliding selector DatePicker in the date selection of air tickets, and in order to improve the user experience, he needs to set the color of a single year/month/day item in operation to blue (#0000FF), which of the following items can meet the development needs?

A. datePicker.setSelectedTextColor(new Color(Color.getlIntColor( "#0000FF")));
B. ohos:selected text color=#0000FF
C. ohos:operated_text_color="0000FF"
D. datePicker.setPeratedTextColor(new Color(Color.getIntColor("#000OFF")));

Question 5

The Minimalist Protocol is a communication protocol customized by HarmonyOS, which layers of the traditional communication protocol are simplified?

A. Data Link Layer
B. network layer
C. Transport Layer
D. Session Layer
E. represents the layer
F. Application Layer

Solutions: