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HarmonyOS Developer Technology
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HarmonyOS Developer Technology

HarmonyOS developers provide key technology analysis, version updates, Codelabs practice, and event information for HarmonyOS. Welcome developers to join the HarmonyOS ecosystem and create infinite possibilities together!

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Recent Articles

Latest from HarmonyOS Developer Technology

59 recent articles
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jul 15, 2026 · Mobile Development

Cut HarmonyOS Peripheral Driver Adaptation from Weeks to Days with AI-Powered Skill

This article details how the usb-driver-dev Skill for OpenCode reduces HarmonyOS USB-HID peripheral driver adaptation from 2-3 weeks to 1-2 days by combining knowledge injection, template reuse, and automated compile-fix loops, demonstrated through a 10-step workflow for a drawing tablet.

AI-Assisted CodingDriver DevelopmentHDF Framework
0 likes · 15 min read
Cut HarmonyOS Peripheral Driver Adaptation from Weeks to Days with AI-Powered Skill
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jul 13, 2026 · Mobile Development

HarmonyOS Wearable App Development: A Complete Beginner's Guide

This guide covers HarmonyOS wearable app development from fundamentals to distribution, including cross-device continuation, rotating crown and gesture interactions, ArkTS/ArkUI frameworks, JS-like paradigm for lightweight wearables, design guidelines, best practices for architecture and security, debugging, performance tuning, and AppGallery Connect publishing.

App DistributionArkTSArkUI
0 likes · 14 min read
HarmonyOS Wearable App Development: A Complete Beginner's Guide
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jul 9, 2026 · Mobile Development

KMP&CMP Community Boosts ArkTS-Kotlin Interop with Advanced Syntax & Compile-Time Type Solidification

Kuaishou contributes to the KMP&CMP community, expanding cross-language syntax support to 78% coverage with complex generics, function expressions, abstract classes, and typealias, while introducing KSP-powered compile-time type solidification to solve runtime generic erasure in ArkTS-Kotlin interop.

ArkTSHarmonyOSKMP
0 likes · 6 min read
KMP&CMP Community Boosts ArkTS-Kotlin Interop with Advanced Syntax & Compile-Time Type Solidification
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jul 7, 2026 · Fundamentals

ArkTS Annotations: Compiler Inference Cuts Boilerplate 33% vs Java

This article explores ArkTS's annotation system, showing how its compiler-driven inference reduces annotation boilerplate by one-third compared to Java, enables compile-time default value injection and type checking, separates annotations from decorators, provides built-in @Available and @SuppressWarnings, supports modular imports, and details current limitations like target restrictions and limited attribute types.

@Available@SuppressWarningsArkTS
0 likes · 12 min read
ArkTS Annotations: Compiler Inference Cuts Boilerplate 33% vs Java
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jun 30, 2026 · Mobile Development

WPS Open-Sources Harmony Trace Analyzer for Automated HarmonyOS Performance Analysis

WPS has open-sourced Harmony Trace Analyzer, a command-line tool that automates performance bottleneck detection for HarmonyOS applications using HiTrace tags, flame graphs, hotspot clustering, and AI-assisted diagnosis, reducing per-case analysis time from 5 minutes to 1 minute and saving over 130 engineering hours per performance sprint.

HarmonyOSHiTraceWPS
0 likes · 9 min read
WPS Open-Sources Harmony Trace Analyzer for Automated HarmonyOS Performance Analysis
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jun 22, 2026 · Mobile Development

Log4a: Open-Source HarmonyOS Logging Library Boosts Performance & Security

Log4a, an open-source HarmonyOS logging library from One Day Accounting, uses a three-layer architecture with background Worker threads to prevent main-thread blocking, supports encrypted log storage, rolling logs, and server upload, and has been validated across apps with over one million users and ten million downloads.

ArkTSHarmonyOSLog4a
0 likes · 6 min read
Log4a: Open-Source HarmonyOS Logging Library Boosts Performance & Security
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Jun 17, 2026 · Mobile Development

DevEco CLI: Open HarmonyOS Development to AI Agents via Command Line

DevEco CLI launches as an AI-agent-friendly command-line toolkit for HarmonyOS app development, offering one-command integration with tools like OpenCode, a full-lifecycle CLI command set, a local optimized knowledge base, 70+ curated Skills for multi-device adaptation, and a community Skills plaza for sharing reusable AI capabilities.

AI-assisted developmentDevEco CLIHarmonyOS
0 likes · 9 min read
DevEco CLI: Open HarmonyOS Development to AI Agents via Command Line