Huawei H14-231_V1.0 Exam (page: 22)
Huawei HCIP-HarmonyOS Application Developer V1.0
Updated on: 16-Feb-2026

Viewing Page 22 of 141

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)?

  1. "comment": "xxX"
  2. #XXX
  3. xXxX

Answer(s): 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?

  1. Distributed file services
  2. Distributed data services
  3. Data search services
  4. Data storage management

Answer(s): B



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()));

}

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

Answer(s): B



What events can the next piece of code handle?

  1. 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
  2. Neither event can be processed
  3. can only handle DOWN events
  4. Only UP events can be processed

Answer(s): 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);

}

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

Answer(s): B



Viewing Page 22 of 141



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