Ability and InternalAbility are two different ways to call PA (ParticleAbility) by FA (FeatureAbility).
An application needs to obtain the Wi-Fi connection status of the current device and check whether the Wi-Fi is turned on. Which of the following permissions is not required in order to do this?
When a developer is developing a smart home application, the Switch component will be used to represent the switch of some devices, and ON should be displayed on the ON status component and OFF should be displayed on the closed state component, what are the following options that can meet the requirements?
In HarmonyOS, Intents are the carriers for transferring information between objects, and which of the following items can be set through Intents?
There are two Text components in the Row component, if you use justifyContent alignment, which of the following properties can achieve left and right alignment?
In the following scenarios, which ones use the voice broadcast function?
HarmonyOSadopts a multi-core design, which supports the selection of suitable OS kernels for different resource-constrained devices
DevEco studio provides remote simulator developers to run and debug HMOS applications, which of the following limitations will the remote simulator have?
Which of the following belong to the lifecycle callback method of Page Ability?
A developer needs to use the current data network for socket data transmission, and the development process involves the following steps:
1。Send data with sockets.
2。Bind the network with NetHandle.bindSocket().
3。Call NetManager.getDefaultNet() to get the default data network.
4。Call NetManager.getInstance(Context9) to get the instance object of network management.
When the developer combed through the development steps, the above steps were sorted according to the order in which the features were completed in the code. Which of the following is the correct order?
Regarding the ResponseCode returned by the request, which of the following descriptions is incorrect?
What is the API for lottie to subscribe to events?
Which of the following accounts does the authentication service support?
Which of the following features of the HarmonyOS distributed database are correctly described?
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?
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