The logs queried by a developer are as follows. HiLog.warn(LABEL, "Failed to visit %(private) s,reason:%(public}d.",url, exrno); What kind of level does the log belong to?
If a developer wants to develop an application on a smart screen, which of the following subsystems will he use?
When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses. Which of the following codes can be used to achieve the above requirements?
When a developer calls HarmonyOS Abi1ity Resources (HAR) in an application module, he or she needs to merge the config.json file of HAP and the config.json file of HAR into a single config.json file when compiling and building a HarmonyS Ability Package (HAP). During the merging process, under what circumstances will the values of tags conflict?
Which of the following descriptions of the HarmonyOSclipboard function is correct?
Developers will use the UI framework provided by Harmony OS when developing mobile phone pages, which of the following is not a UI framework?
Which of the following products belongs to the security products in the smart homeecology?
Which of the following subsystems does a developer use when using the facial recognition feature of HarmonyOS?
A developer now needs to make a motion track recording application, which can report the user's location information in real time. Which of the following is correct?
When the system creates a page instance for the first time, which method will be called?
When the page loses focus, which of the following callback methods will be called bythe system to make it enter the INACTIVE state?
In the HarmonyOS system architecture, which of the following can shield the differences between multiple cores and provide basic kernel capabilities for the upper layer?
When the user clicks on a song from the music list page and jumps to the playback interface of the song, the principle is that the page route routes to the destination page according to which of the following?
A developer defines an entity class Student.java and uses the following code to construct a teaching table:
Entity(tableName="student",ignoredColums =["ignoredColumn1"," ignoredColumn2", indices =(@Index(value =("firstName." ,"lastName",name="name_index", unique = true)))
Public class User extends OrmObject{
@PrimaryKey(autoGenerate= true)
Private Integer userld;
Private String firstName;
Private String lastName;
Private int age;
Private double balance;
Private int ignoredColumnl;
Private int ignoredColumn2;
}
Which of the following descriptions of this code is wrong?
When a developer designs a news browsing application, he needs to achieve the effect that the news list and news details are not displayed on the same page, which of the following needs to be created by the developer?
