The Web-like development paradigm provides a series of lifecycle callback methods for custom components, which are the following lifecycle callback methods for developers to manage the internal logic of custom components?
A developer needs to use the current scattered data network for socket data transmission, and in this scenario, the development process involves the following steps:
1. Use socket to send data
2. Call NetHandle.bindSocket() to bind the network.
3. Call NetManager.getDefaultNet() to get the default data network.
4. Call NetManager.getInstance(Context) 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?
For example, if you want to implement an advertising pop-up window now, including information such as pictures and text, you can use the following pop-up window
A HarmonyOS application developer creates two pages, indlex and detai1, so that the two pages jump to each other. The code of the index page is as follows, which of the following descriptions are correct?
When a developer is developing a UI, he writes the following code, which of the following is the correct implementation effect?
Which of the following scenarios is part of the HarmonyOS notification function?
Distributed task scheduling builds a unified distributed service management (discovery, synchronization, registration, and call) mechanism based on technical characteristics such as distributed soft bus, distributed data management, and distributed profile.
When a developer wants to make the vertical scrolling layout take effect when using the ScrollView control, how should the width of the control corresponding to the layout be set?
The declarative development paradigm based on TS extensions provides a series of basic components, the following code describes the structure of a simple page, read this code, which of the following are built-in components?
API9 and above, router.pushUrl() method, what is the default mode used by the jump page?
Regarding the Button component, which of the following styles is a capsule-type button?
Which of the following modules does the HarmonyOS forwarding architecture consist of?
Which of the following items is correct about the objects of HarmonyOS permission protection?
TESTED 27 Apr 2025
