Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 56
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When developing HarmonyOS applications, if the client and server need to communicate across processes, you can use idl to define programming interfaces that are recognized by both.
In HarmonyOS, when switching between pages, if you use Ability Switching, it is equivalent to constantly switching new pages in the same window, and if you use AbilitySlice to switch, a new window will pop up.
When using EventHandler to implement thread interrogation communication, if EventRurner takes out the InnerEvent event, EventRunner will directly process the event on the new thread.
A manufacturer uses the HarmonyOS system to produce a smart oven, which is a lightweight system device in HarmonyOS.
In the process of application development, a developer uses the global concurrent task distributor to dispatch tasks, and if a specific task needs to be executed 10 times, the developer can use applyDispatch to execute the task multiple times.
In HarmomOS, when an application is launched, the system creates an execution thread named 'Main Thread' for the application. The main thread, also known as the UI thread, displays and updates the UI interface on the main thread.
When a developer compiles a project, the compilation fails, and the message 'This device type does not match project profile' is displayed, because the device type configured in 'config.json' does not match the device type for debugging, and 'deviceType' needs to be configured in the 'module' tag.
When a developer is developing an application, he uses DevEco Studio to create an empty Java project, but does not install Node.js separately, and can still develop the project normally.
A Page Ability (hereinafter referred to as 'Page') may consist of one or more AbilitySlice, which refers to the sum of a single page of an application and its control logic.
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