HarmonyOS 5: In-App Notification with SubWindow — A Coffee-Break ImplementationJun 27, 2025·4 min read
Hidden Gems in HarmonyOS 5 for Business App Development — Graphic Transformations1. Introduction During the development of business applications with HarmonyOS 5, we often encounter subtle yet powerful features buried within the framework. These transformations—such as rotation, translation, and scaling—can significantly enhance ...Jun 27, 2025·4 min read
Unit and Integration Testing in HarmonyOS 5Testing and debugging are essential steps to ensure the quality and stability of any application. For HarmonyOS 5 development, unit testing and integration testing are two key approaches to validate the independence and collaboration of modules. This...Jun 27, 2025·2 min read
Hypium: The Unit Testing Framework for HarmonyOS 51. Overview Hypium is the official unit testing framework for HarmonyOS 5. It supports writing test cases, executing them, and viewing results within DevEco Studio. FeatureDescription Case WritingMocha-style syntax (describe, it) ExecutionPac...Jun 27, 2025·3 min read
How to Test HarmonyOS 5 Apps: Must-Have Toolkit for DevelopersWith over 4,000 applications now integrated into the HarmonyOS ecosystem, Huawei has made remarkable progress in the native development of HarmonyOS NEXT. The ecosystem offers developers a comprehensive suite of tools including DevEco Studio, DevEco ...Jun 27, 2025·3 min read
Leveraging HarmonyOS 5 Service Cards in Business Applications1. ArkTS Card-Related Modules 1.1 form_config.json The form_config.json file under the resources/base/profile/ directory is used to configure card layout, scheduled updates, dynamic/static settings, etc. Refer to the official documentation for full f...Jun 26, 2025·3 min read
HarmonyOS 5 DES Encryption and Decryption1. Introduction to harmony harmony is a powerful yet easy-to-use utility library for HarmonyOS, designed to help developers quickly build HarmonyOS applications. It encapsulates a variety of commonly used utilities, including but not limited to: Sys...Jun 26, 2025·3 min read
HarmonyOS 5: A Complete Guide to Releasing a HarmonyOS App or Atomic ServiceGiven the lack of comprehensive official documentation on releasing an atomic service, this guide walks you through the complete process from start to finish. It is based on real experience preparing to release a HarmonyOS atomic service. Overview Th...Jun 26, 2025·4 min read