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.
Distributed data services can isolate data belonging to different applications to ensure that data between different applications cannot be accessed to each other through distributed data services.
When using EventHandler to implement inter-thread communication, if EventRunner takes out the Runnable task, it will trigger the callback method of EventHandler and the processing method of EventHandler.
The object relational mapping database mainly provides light-grade Key-Value exploration, which supports local applications to store less data, and the data is stored in local files and also loaded in memory, so the access speed is faster and more efficient.
The MainAbility of a HarmonyOS application has multiple AbilitySlices, and when the AbilitySlice health state is switched, the MainAbility state is INACTIVE.
After the user enters a piece of text, with the help of the part-of-speech annotation interface, the application can perform automatic word segmentation, and label each word in the word segmentation result with a correct part of speech. However, the part-of-speech tagging feature provided by HarmonyOS only provides a fixed word segmentation granularity, and developers cannot customize the word segmentation granularity as needed when developing applications.
A developer needs to use the JavaScript UI framework to display the bar chart of the current month's product sales, and can use the chart component to achieve this function.
When a developer starts a music player on a remote device, he or she may not fill in the Deviceld of the remote device.
With the help of HarmonyOS's Al capability, it can detect and recognize the text of image sources such as document remakes and street view reproductions, and can also be integrated into other applications to provide text detection and recognition functions, and provide translation, search and other related services based on therecognition results. This is by taking advantage of the super-resolution of text and images in AI.
When a time-consuming operation needs to be performed in a HarmonyOS application, it is preferable to create subthreads in FA instead of creating subthreads in Service.
HarmonyOS not only has the system capability of a single device, but also supports deployment on multiple devices with different memory sizes based on the same set of system capabilities
The callback mechanism provided by the Ability class can enable the Page instance to switch in the background following the user's operation.
HarmonyOS maintains a stack of AbilitySlice instances for each Page, and each AbilityS1ice instance that enters the foreground will be added to the stack.
When a developer has multiple versions of the object-relational mapping database, and the developer calls the BookStoreUpgrade class to upgrade the database version, the version number of the BookStoreUpgrade class is configured as "2", and the actual version number of the current BookStore.db is "1".
A developer uses the JavaScript UI framework's swiper sliding container to develop a banner scrolling effect, which are the correct items in the following description of the swiper code?
indicator="true"autoplay="true"interval="2000" loop="true"digital="false">
Which of the following processes does the HarmonyOS data lifecycle consist of?
Which of the following subsystems in HarmonyOS belongs to the Enhanced Software Services subsystem?
When a developer uses HarmoyOS system security, which of the following functions makes the device have the ability to prove its security to other virtual devices?
Which modules in the following figure can be installed and operated independently?
What are the common problems in uploading software packages during the listing process of HarmonyOS applications/metaservices?
In the JavaScript FA development self-record, the file ending hml is used to describe the current page layout structure, the components used in the page, and the hierarchical relationship between these components, and the following code should be placed in the file.
What are the following scenarios that belong to the public events of the system?
Mobile terminal devices have penetrated into all aspects of people's daily life, such as checking the weather, news and anecdotes of the city, traveling taxi, travel navigation, and sports records. These accustomed activities are inseparable from locating the location of the user's terminal equipment. What positioning technologies does HarmonyOS's location services subsystem provide?
The main function of EventHandler is to deliver InnerEvent events or Runnable tasks to other threads for processing.
Which of the following properties of state decorator decorating must be initialized locally?
API9 and above, router.pushUrl() method mode parameter can be configured to which of the following modes used by the jump page?
Which of the following subsystem sets are included in the basic capability subsystem of the HarmonyOS system architecture?
HarmonyOS supports on-demand elastic deployment of a variety of terminal devices.
Which of the following properties or events does the web component support?
The HarmonyOS Media Management module provides capabilities for audio playback, audio recording, audio and video synthesis, and video decoding.
Which of the following statements is true about the use of the previewer?
