H14-231_V1.0 Huawei HCIP-HarmonyOS Application Developer V1.0 Free Practice Exam Questions (2025 Updated)
Prepare effectively for your Huawei H14-231_V1.0 HCIP-HarmonyOS Application Developer V1.0 certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.
TaskDispatcher is the basic interface for Ability to distribute tasks, which hides the implementation details of the thread where the task is located. To ensure that the application is more responsive, we respond to the priority of the design task, which of the following is not the priority of the task?
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 a developer needs to create a Service Ability when developing a background service, which of the following processes is NOT the step to create the Ability?
The user migrates the video on the mobile phone to the smart screen for playback, and after the mobile phone saves the data, the smart screen calls back which of the following methods does the user recover the data?
The permission scope of HarmonyOS refers to whichapplications can apply for a permission, which of the following fields does not belong to the permission open scope?
In order to cope with complex application business logic, a developer needs to create multiple threads to perform multiple tasks. In this case, the code is complex and difficult to maintain, and the interaction between tasks and threads becomes more complex. To solve this problem, which of the following interfaces can the developer use to distribute different tasks?
If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a Service Ability to provide the background file download function. Which of the following can invoke Service Ability in Page Ability?
In the process of coding, software development engineers need to detect whether the Butfer data is read and whether an exception occurs, which of the following methods can be called?
If a developer wants to develop a page with a tab function, the developer can use the TabList component provided by HarmonyOS. If you want to set the selected tab to be marked by underlining at the bottom, which of the following codes is correct?
In the JS (JavaScript) UI framework, which layer is connected to the system platform platform by abstracting the platform layer and providing an abstract interface?
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 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?
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?
When a developer develops a JavaScript application on a smart screen. If you want to do some static animation, if you want to move a component 200px horizontally, which of the following styling configurations is correct?
When developing a HarmonyOSapplication, what methods do I need to call when migrating the FA (Feature Ability) on device A to device B?
The HarmonyOS video module supports the development of video services and the opening of the ecosystem, allowing developers to easily play, operate, and develop new functions of video media through the open interfaces. Video playback includes playback controls, playback settings, and playback queries, such as start/stop playback, playback speed settings, and whether to loop playback. When developing a video playback feature, which of the following steps is correct?
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?
Which of the following is NOT a capability provided by Distributed Device Virtualization in HarmonyOS?
When a HarmonyOS app developer uses the form container, which of the following elements can be submitted and reset?
If a developer needs to use asyncDispatchBarrier to set up a barrier asynchronously, in this scenario, in order to separate different task groups, the developer can choose which of the following task dispensers?
A developer is developing a ticket booking application, in the selection of the location of the ticket, you need to use the slide selector Picker, in order to highlight the selected text, the developer sets the rendering effect that the selected text margin is greater thanthe ordinary text margin. Which of the following settings are correct?
In multiple distributed devices with the same HarmonyOS account, after logging in to an app, the app can synchronize the app account authentication information (account name, token or other) to other devices as needed.
When users use mobile phones, they will find that the phone number in the text message is often highlighted, and they can dial directly. This is a typical application scenario for entity recognition Al.
A developer calls the terminate method in JavaScript code, which causes the Page Ability to be destroyed.
A HarmonyOS developer uses syncDispatch to synchronously dispatch tasks when developing applications. In this scenario, syncDispatch dispatches the task and waits for the task to complete on the current thread, so the current thread is not blocked until it returns.
Lightweight data storage is suitable for data storage involving a large number of data relationships and business relationships, and has better read and write performance than relational databases and object-relational mapping databases.
A Page Instance can contain a group of related pages, and each page is represented by an AbilitySlice instance.
The ListContainer grid layout can be realized through the setLayoutManager() method
The user application package of HarmonyOS may not contain a HAP package of the feature type.
AbilitySlice and Page have the same lifecycle state and callback method with the same name, and when the Lifecycle of the Page changes, the same lifecycle change will occur in AbilitySlice. Similarly, as the lifecycle of an AbilitySlice changes, the lifecycle state of a Page changes.
