Free H14-231_V1.0 Exam Braindumps
HCIP-HarmonyOS Application Developer V1.0 Questions 106–110 (page: 23)

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)?

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?

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()));

}

What events can the next piece of code handle?

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);

}