What are the following types of transition animations in the declarative development paradigm?
A HarmonyOS developer uses the EventHandler mechanism to handle four events: A, B, C, and D, where event D retains the default priority, and the priority properties of the other three events are set as follows:
Event A: Priority.IMMEDIATE
Event B: Priority.HIGH
Event C: Priority.IDLE
Which of the following accounts of the above events is correct?
If a HarmonyOS application developer writes the following code, what options are correct for the following code description?
When a developer designs a JavaScript login page, he needs to use Internal Ability to call Data Abiliity to verify the username and password, which of the following can be modified to complete the function?
const ABILITY_TYPE_EXTERNAL=0;
var action=0;
action.bundleName="com.huawei.loginservice"; action.abilityName="com.huawei.loginservice.LoginDataAbility";
action.messageCode=ACTION_MESSAGE_CODE_PLUS;
action.data=actionData;
action.abilityType=ABILITY_TYPE_EXTERNAL; action.syncOption=ACTION_SYNC;
var result=await
FeatureAbility.callAbility(action);
There are two Text components in the Row component, if the justifyContent alignment method is used, which of the following properties can be aligned to the left and right ends
HarmonyOSdefines different open scopes and authorization methods to protect data according to the sensitivity of the data involved in the interface
A developer called the getDefaultHost(Context context) interface of BluetoothHost to obtain a Bl1uetoothHost instance for managing local Bluetooth operations. The developer uses the following development steps to implement Bluetooth pairing:
1Turn on Bluetooth.
2Scan Bluetooth.
3. Initiate pairing.
Which of the following statements about steps 1, 2, and 3 is true?
Regarding the ResponseCode returned by the request, which of the following descriptions is incorrect?
Regarding the container components Row and Column, the following statement is wrong.Themain axis of A Column container is vertical, and the cross axis is horizontal;
In which of the following files can you set the path configuration information of the page?
Which of the following subsystems in the HarmonyOS subsystem belongs to the hardware service subsystem set?
The software engineer will encode the data, which can take two coding methods: ordinary and pipeline, which of the following are the differences between these two coding methods?
HarmonyOS provides two mechanisms for calling JavaPA (ParticleAbility) by JSFA(FeatureAbility), namely Ability and InternalAbility.
TESTED 03 Apr 2025
