This guide walks you through the complete HarmonyOS mobile development workflow—from understanding the platform’s layered architecture and core ArkTS/ArkUI concepts, to setting up DevEco Studio, creating a Hello World app, managing UI, state, routing, data, and finally packaging and publishing the app.
This article explains ArkTS's strict type restrictions, its use of ESObject for unknown JS types, special limits on interfaces, classes, and decorators, as well as its memory model, closure rules, and the differences between Record and Map containers, highlighting how these design choices improve compilation and runtime efficiency.
Learn how to monitor and analyze crashes in HarmonyOS Next by handling native C/C++ signals and ArkTS/JavaScript errors, using hiAppEvent watchers, simulating crash scenarios, and leveraging build artifacts such as source maps, debug .so files, and nameCache for precise stack trace reconstruction and improved app stability.
This article introduces HarmonyOS NEXT's pure, fast, and minimal design, its development base with DevEco Studio and ArkTS, the compilation artifacts (HAR, HSP, HAP), the system‑level open capability map, and the ARMS RUM SDK's architecture, session management, and three unobtrusive data‑collection schemes for performance monitoring.
OpenHarmony 6.0, unveiled at the 2025 OpenAtom OpenHarmony conference in Changsha, introduces major upgrades across UI components, ArkTS language, media handling, graphics, security protocols, and performance testing, while reporting over 17 million HarmonyOS devices and a rapidly growing contributor community.
This article explains how HarmonyOS developers can reuse native C/C++ file upload code across iOS, Android, and HarmonyOS by employing Node‑API thread‑safe functions to asynchronously report upload progress, errors, and completion from native threads back to the ArkTS UI thread.
This article walks through the ArkUI‑X cross‑platform framework, explains the relationship between ArkTS, ArkUI and ArkUI‑X, shows how to set up the development environment, create and build a demo project, and reveals the rendering pipeline and Android/iOS integration details including a clipboard example.
This article explains how to use Node‑API’s thread‑safe functions to asynchronously relay native file upload progress, completion, and error callbacks from native C/C++ threads to ArkTS JavaScript on HarmonyOS, covering API definitions, event‑loop integration, and practical implementation details with code examples.
This article presents a comprehensive overview of the security challenges in HarmonyOS native ArkTS applications and describes the design and implementation of a specialized static analysis framework—including source extraction, data‑flow and inter‑function analysis, knowledge‑graph construction, and risk inference engine—while also outlining integration into development pipelines and future research directions.
This article details Alibaba's security team's comprehensive approach to detecting ArkTS code vulnerabilities in HarmonyOS apps, covering architectural design, static analysis techniques, knowledge‑graph modeling, CI/CD integration, and future AI‑driven enhancements.
This article explores the ArkUI‑X cross‑platform framework, detailing its relationship with ArkTS and ArkUI, step‑by‑step environment setup, project creation, the compilation pipeline that generates ViewPU classes, and the intricate bridge that connects ArkTS code to Android and iOS system services such as the clipboard.
This article explains the HarmonyOS NEXT Background Tasks Kit, detailing its four task types—Transient, Continuous, Deferred, and Agent‑powered Reminder—along with their characteristics, typical use cases, and complete ArkTS code examples for each scenario.
This article explains the concept of structural typing in TypeScript, contrasts it with ArkTS's nominal typing approach, provides code examples illustrating compatibility rules, and analyzes why Huawei chose to disable structural typing in ArkTS, highlighting the trade‑offs involved.
This article explains the end‑to‑end architecture, principles, and code implementation of the dynamic cross‑platform framework (Roma/Dynamic) on HarmonyOS, covering template loading, JS‑C++‑ArkTS instance creation, V‑Dom and Component tree construction, rendering pipeline, view updates, and performance optimizations.
The article examines how arkTS, HarmonyOS's TypeScript‑based language, forces front‑end developers to adopt stricter class‑based patterns, disallows any/unknown, and removes familiar JavaScript features like spread and destructuring, making the transition noticeably harder.
This article introduces ArkTS, HarmonyOS’s preferred TypeScript‑based language, and demonstrates its declarative UI syntax, component creation, property and event configuration, child component nesting, state management, and rendering control through practical code examples.
This article explains HarmonyOS long‑list rendering techniques, comparing the one‑time ForEach approach with the on‑demand LazyForEach method, and detailing cacheCount and @Reusable component reuse strategies, migration challenges from iOS/Android, ArkTS and C‑API implementations, and performance test results.
This article examines the challenges of rendering long lists on HarmonyOS across iOS, Android, and Web platforms, explains the ForEach and LazyForEach mechanisms, and presents practical ArkTS and C++ solutions—including cacheCount, component reuse, and performance optimizations—to achieve smoother UI and lower memory usage.
This article analyzes four major performance problems of UI rendering on HarmonyOS—excessive view hierarchy, long communication pipelines, poor list rendering, and secondary layout—and presents a C‑based native component solution with code examples to improve cross‑platform UI performance.
This article examines four major performance bottlenecks when rendering UI on HarmonyOS—excessive view hierarchy, lengthy communication pipelines, poor list rendering, and secondary layout passes—and introduces a C‑language native interface solution that streamlines component integration, reduces overhead, and aligns HarmonyOS rendering with iOS and Android.
This guide details how Sohu News integrated HarmonyOS push notifications—covering DevEco Studio setup, certificate generation, profile configuration, client ID metadata, permission requests, token retrieval, and handling cold‑ and hot‑start push data—using the HarmonyOS NEXT SDK and AppGallery Connect services.
This tutorial walks you through creating a basic HarmonyOS notepad application using the native ArkTS language and ArkUI components, covering project setup, directory structure, UI layout, routing, and implementing add‑and‑delete functionality with complete code examples.
This tutorial walks through the fundamentals of building ArkTS components for HarmonyOS, covering project setup, key decorators like @Entry and @Component, styling with @Styles and @Extend, handling events, managing properties and state, conditional rendering, functional components, and slot implementation.
This article introduces HarmonyOS, its background, advantages, application forms, development benefits, distributed debugging, multi‑device adaptation, AI integration, the ArkTS language, ArkUI framework, Ability concept, ArkCompiler, and practical steps for setting up the DevEco Studio environment, helping developers quickly grasp the ecosystem and start building apps.
After reviewing previous HarmonyOS articles that omitted UI, this piece explains the rationale for focusing on UI later, introduces ArkTS and the Stage model, and outlines the creation of a HarmonyOS UI scaffolding tool to streamline development across desktop and mobile platforms.
This article explores how generative AI is integrated into the AutoDev tool to add ArkTS language support, automatically generate ArkUI pages, and migrate existing Android, iOS, and mini‑program code to HarmonyOS, while discussing technical challenges and future improvements.
The guide provides a complete introduction to HarmonyOS, explaining its distributed architecture and one‑time development model, detailing the DevEco toolchain, ArkTS language and ArkUI frameworks, walking through environment setup and a step‑by‑step first app, and covering advanced topics such as state management, componentization, testing, and publishing.
This guide provides a complete overview of HarmonyOS, its distributed architecture, development fundamentals, environment setup with DevEco Studio, ArkUI framework, code examples for UI, networking, data storage, permissions, state and thread management, testing, and publishing procedures for mobile developers.
This article explains JD.com and Huawei's partnership to launch a HarmonyOS native JD app, details how the Taro front‑end framework adapts to HarmonyOS ArkTS and ArkUI, and provides a three‑part guide for developers to create their first HarmonyOS native application.
This article thoroughly analyzes how the Taro front‑end framework is adapted to Huawei's HarmonyOS ArkTS by employing a runtime‑centric adaptation approach that maps Taro's virtual DOM to ArkTS UI components, reducing compile‑time conversion errors and improving developer experience.
By using ArkTS’s declarative UI features—@Entry, @Component, @Preview, struct‑based custom components, property chaining, Column layout, and a ForEach loop—this tutorial builds a TodoList where each ToDoItem toggles an isComplete state on click, automatically updating the view through state‑driven rendering.
ArkTS, Huawei’s evolution of JavaScript and TypeScript, provides a declarative UI framework with enhanced rendering, cross‑OS support, and streamlined state management through @State, @StorageLink, and AppStorage, enabling developers to build concise, high‑performance HarmonyOS applications using familiar JS/TS syntax.
To begin developing HarmonyOS apps with Huawei DevEco Studio, download and install the IDE and required SDKs, configure Node.js and OHPM, verify the environment, create a new Stage‑model project using the Empty Ability template, explore the generated ArkTS directory structure, compare it to Android projects, and run the app on an emulator.
