H14-231_V1.0 Certification Exam Questions with AI Explanations

QUESTION: 106 Exam Topic: 1, Exam Pool A

When a developer is developing a HarmonyOS application, 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)?

"comment": "xxX"
#XXX
xXxX

Answer(s): A

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QUESTION: 107 Exam Topic: 1, Exam Pool A

If a HarmonyOS developer has developed multiple applications and ensured that the data between different applications cannot be accessed through the triplet of account, application, and database, which of the following services can the developer use to achieve this function?

Distributed file services
Distributed data services
Data search services
Data storage management

Answer(s): B

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QUESTION: 108 Exam Topic: 1, Exam Pool A

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()));

}

When you click the button again, the ability crashes
button button does not show up on the layout
Clicking the button does not respond
Click the button button to jump to a new page

Answer(s): B

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QUESTION: 109 Exam Topic: 1, Exam Pool A

What events can the next piece of code handle?

public class CustonLomponent extends Componentimplements Component.DrawTask,Component.EstimateSizeListener,Component.TouchEventListener {
......
public CustomComponent (Context context){
...
Set up a TouchEvent to respond to events setlouchEventListener(this);
}
...
@Override public boolean onTouchEvent(Component component,TouchEvent touchEvent){
switch (touchEvent.getAction() {
case TouchEvent.PRIMARY_POINT_DOWN:
circ1ePaint.setColor(Color.GREEN);
invalidate() ;
break;
case TouchEvent.PRIMARY_POINT_UP:
circlePaint.setColor(Color.YELLOWV);
invalidate();
break ;
}

return false;
}
}
Both DOWN and UP events can be handled normally
Neither event can be processed
can only handle DOWN events
Only UP events can be processed

Answer(s): A

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QUESTION: 110 Exam Topic: 1, Exam Pool A

When a developer subscribes to a public event, he processes the public event in the onReceiveEvent() callback function and writes the following code.

EventRunner runner = EventRunner.create();

MyEventHandler myHandler = new

MyEventHandler(rurner);

@Override public void onReceiveEvent(CommonEventData commonEventData){

final AsyncCommonEventResult result=goAsyncCommonEvent Runnable task = new

Runnable(){

@override pub1ic void run {

......

The action to be performed, defined by the developer result.finishCommonEvent();

}

};

myHandler.postTask(task);

}

Gives subscribers permissions
implements asynchronous operations, which solves the problem that time-consuming operations cannot be performed on onReceiveEvent
sets the priority of ordered public events
The publisher has the permission to publish sticky public events

Answer(s): B

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Huawei HCIP-HarmonyOS Application Developer V1.0 H14-231_V1.0 Dumps in PDF

Free Huawei H14-231_V1.0 Real Questions (page: 22)

QUESTION: 106 Exam Topic: 1, Exam Pool A

QUESTION: 107 Exam Topic: 1, Exam Pool A

QUESTION: 108 Exam Topic: 1, Exam Pool A

QUESTION: 109 Exam Topic: 1, Exam Pool A

QUESTION: 110 Exam Topic: 1, Exam Pool A