Huawei Related Exams
H14-231_V1.0 Exam
If a developer wants to develop a file background download function, there needs to be a Page Ability to provide U pages, and a Service Ability to provide the background file download function. If you want to perform some operations after connecting to the Service Ability in the Page Ability, you need to implement the onAbilityConnectDone() method in the Page Ability.
A user migrated video from his mobile phone to a smart screen for playback, using the distributed task scheduling capability of HarmonyOS. In this scenario, the process of connecting the mobile phone to the playback software of the smart screen belongs to the remote connection.
When a developer calls Particle Ability (PA) with FA (Feature Ability), callAbility returns the error "Internal ability not register.", what key steps does the developer need to check?