Huawei Updated H14-231_V1.0 Exam Questions and Answers by igor

If a UI is no longer visible to the user, but you don't want to destroy it, which method will the system call to release the corresponding resources?

In order to cope with complex application business logic, a developer needs to create multiple threads to perform multiple tasks. In this case, the code is complex and difficult to maintain, and the interaction between tasks and threads becomes more complex. To solve this problem, which of the following interfaces can the developer use to distribute different tasks?

When a developer is developing a JavaSriptUI page of a shopping software,he needs to use the list component to display the product information, and which method of the list can be used to scroll to the specified item?

If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a Service Ability to provide the background file download function. Which of the following can call Service Ability in Page Ability?