Free H14-231_V1.0 Exam Braindumps
HCIP-HarmonyOS Application Developer V1.0 Questions 146–150 (page: 31)

A developer is developing an alarm clock application, which of the following components can be used to set the hour, minute, and second of the alarm clock?

When a developer develops an application based on Harmony OS, one of the HAPs (HarmonyOS Ability Package) needs to access the SQLite database to implement the following functions:

Function 1: Create a database.

Function 2: Insert data.

Function 3: Query data.

Which of the following descriptions of the developer's development steps is correct?

When a developer installs HAP (HarmonyOS Ability Package), what is the reason for the "STRING LENGTH ERROR" message?

A developer needs to cancel a task, but part of the code segment he wrote was deleted by mistake. The remaining codes are as follows, with the missing codes indicated by the dash:

TaskDispatcher dispatcher =

getUlTaskDispatcher();

Revocable revocable =

________________________(new Runnable(){

@Overide Public void run(){

HiLog.info(L . ABEL_ _LOG,"delay dispatch");

}

},10);

Boolean revoked = revocable.revoke();

HiL og.info(L _ABEL_ LOG),"%{public}b" ,revoked);

Which of the following might be missing pieces in the above code?

If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmonyOS. If you want to set the selected tab to be marked by underlining at the bottom, which of the following codes is correct?