Question 1
A developer wants to use macOS for HarmonyOS application development, but the development tool DevEco Studio does not support macOS installation.
A developer wants to use macOS for HarmonyOS application development, but the development tool DevEco Studio does not support macOS installation.
When developing HarmonyOS applications, the main function of EventHandler is to deliver InnerEvent events or Runnable tasks to other threads for processing.
Which of the following features does HarmonyOS smart home devices include?
Which of the following modules does the HarmonyOS forwarding architecture consist of?
The user and provider of the service card do not require permanent operation, and when it is necessary to add, remove, or request to update the card, the card management service will pull up the card provider to obtain the card information.
When a developer receives a new product demand and asks users to remake old documents such as paper letters into electronic versions, the application can improve the remake effect of the old documents and make the work more correct. What kind of AI-enabled capabilities can be leveraged by HarmonyOS to achieve this?
What are the following options that belong to the JavaScript UI framework?
Which of the following descriptions of the HarmonyOS clipboard function is correct?
An engineer wrote the following code, which items are correct about the description of the following code?
@Entity(tableName = "user", ignoredColumns = {"ignoredColumn1", "ignoredColumn2"} , indices = {@Index(value = {"firstName", "lastName"), name ="name_index", unique = true)})
Which of the following development languages can a developer use when developing a HarmonyOS smart screen application?
When a developer uses Page Ability to open a ServiceAbility, he needs to pass parameters through Intent, at what stage is the parameter obtained in the whole process null?
onStart( ) in A S ervice.
In order to test the distributed file service functions of application A and application B, the developer installs application A and application B on both device 1 and device 2. During the test, application A on device 1 creates a distributed file X, and application B on device 2 creates a distributed file Y. Which of the following descriptions of this scenario is wrong?
After the page is jumped or overwritten, it will enter the INACTIVE state, but the resources will not be released, and when the page switches back to the ACTIVE state, the click event will still respond normally.
The input division method of HarmonyOS is different from that of traditional operating systems, and multi-dimensional inputs will be integrated, so that developers can use application frameworks, UI components or interfaces that come with the system to implement applications with multi-dimensional and natural interaction characteristics.
The network management module of HarmonyOS provides a data network management function, which can effectively manage HTTP caches to reduce data traffic.