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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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Latest from HarmonyOS Developer Technology

59 recent articles

HarmonyOS Developer Technology

Jun 16, 2026 · Backend Development

ZW3D Ports 12M-Line C++ to HarmonyOS: 90% Faster Load, 68% Less Debug Memory

ZWSOFT's ZW3D, a 12-million-line C++ CAD application, successfully migrated to HarmonyOS through collaboration with DevEco Studio, achieving 90% faster project load (27 min to 2.5 min), 68% debug memory reduction (22 GB to 7 GB), and compile-time improvements via multi-level indexing, LLDB restructuring, and BiSheng compiler optimizations.

BiSheng compilerC++DevEco Studio

0 likes · 8 min read

ZW3D Ports 12M-Line C++ to HarmonyOS: 90% Faster Load, 68% Less Debug Memory

HarmonyOS Developer Technology

Jun 15, 2026 · Mobile Development

Flutter-OH 3.35 & RNOH 0.82: Performance Gains & Architectural Shifts on HarmonyOS

The article details Flutter-OH 3.35 and RNOH 0.82 releases for HarmonyOS, covering preload rendering cutting first-frame latency 37.8%, LTPO dynamic frame rate reducing load ~20%, zero dirty-region rendering, DMA background release, BiSheng PGO, plus RNOH's parallelized pipeline, JSVM/Hermes V1 engines, Fabric-only architecture, and React 19.1.1 with DOM Node API.

Flutter 3.35Flutter-OHHarmonyOS

0 likes · 13 min read

Flutter-OH 3.35 & RNOH 0.82: Performance Gains & Architectural Shifts on HarmonyOS

HarmonyOS Developer Technology

Jun 15, 2026 · Industry Insights

How HarmonyOS Partners Cut Cold Starts to 1s & Boost GPU 17x at HDC2026

At HDC2026's co-construction forum, HarmonyOS partners including Amap, WPS, Tencent Video, and Meituan showcased real-world optimizations: Amap's generative UI framework boosts rendering 20%, WPS uses AI to slash flame-graph analysis from hours to minutes, Tencent Video cuts cold start to 1 second, and Meituan's QUIC tuning improves weak-network latency 27%.

AI-assisted developmentGPU accelerationHDC2026

0 likes · 12 min read

How HarmonyOS Partners Cut Cold Starts to 1s & Boost GPU 17x at HDC2026

HarmonyOS Developer Technology

Jun 14, 2026 · Artificial Intelligence

HarmonyOS Agent Skills Open-Sourced: AI-Powered Development Efficiency Boost

HarmonyOS has open-sourced its first batch of Agent Skills on GitCode, providing AI-assisted coding support for ArkTS syntax checking, ArkUI development, multi-device adaptation, and application stability diagnosis, with demonstrated efficiency gains in foldable device adaptation and freeze analysis.

AI-assisted developmentAgent SkillsArkTS

0 likes · 6 min read

HarmonyOS Agent Skills Open-Sourced: AI-Powered Development Efficiency Boost

HarmonyOS Developer Technology

Jun 14, 2026 · Mobile Development

Douyin HarmonyOS: 50% Dev Efficiency Boost via Indexing, Memory & Build Optimizations

Douyin's HarmonyOS team collaborated with DevEco Studio to optimize large-scale monorepo development, cutting code indexing time 80% (10→2 min), reducing IDE memory usage 65% (20→7 GB), and accelerating builds 30% (4.5→3 min), delivering a 50% overall efficiency gain now integrated into DevEco Studio 26.

Build OptimizationCode IndexingDevEco Studio

0 likes · 8 min read

Douyin HarmonyOS: 50% Dev Efficiency Boost via Indexing, Memory & Build Optimizations

HarmonyOS Developer Technology

Jun 13, 2026 · Mobile Development

HarmonyOS 7.0 Beta1: On-Device A2A, 3DGS Spatial Computing, Instant App Startup

HarmonyOS 7.0 Developer Beta1 introduces on-device A2A for secure agent integration, 3D Gaussian Splatting spatial reconstruction and rendering, ArkUI immersive light-sense components, ArkTS compilation and debugging enhancements, OHAudioSuite spatial audio pipeline, and a kernel-level fast startup technology that trades storage I/O for memory savings to achieve instant app launches.

3D Gaussian SplattingAbility KitArkTS

0 likes · 12 min read

HarmonyOS 7.0 Beta1: On-Device A2A, 3DGS Spatial Computing, Instant App Startup

HarmonyOS Developer Technology

Jun 10, 2026 · Artificial Intelligence

HarmonyOS Opens AI Stability Diagnosis: Multi-Agent Cuts Debug Time to Minutes

HarmonyOS and Xiaohongshu co-built and open-sourced an AI-powered stability diagnosis platform using a Skill+MultiAgent architecture that reduces complex fault analysis from hours to minutes, covering freeze, crash, and leak scenarios with automated log parsing, code context correlation, and fix generation, proven by Xiaohongshu's 8x efficiency gains.

AI diagnosisDFXHarmonyOS

0 likes · 10 min read

HarmonyOS Opens AI Stability Diagnosis: Multi-Agent Cuts Debug Time to Minutes

HarmonyOS Developer Technology

May 28, 2026 · Mobile Development

Huawei Open-Sources SimpleGPULayer: Full-Scenario GPU Acceleration for HarmonyOS

Huawei's HarmonyOS team open-sources SimpleGPULayer (SGL), a Vulkan-based GPU acceleration framework providing 52 image filters, 28 compute operators for AI inference, 2D/3D rendering with glTF/PBR support, and GPU Bezier line generation — all accessible via minimal C/NAPI APIs for native HarmonyOS apps.

3D renderingAI inferenceGPU acceleration

0 likes · 7 min read

Huawei Open-Sources SimpleGPULayer: Full-Scenario GPU Acceleration for HarmonyOS

HarmonyOS Developer Technology

Mar 10, 2026 · Mobile Development

HarmonyOS Live Streaming: End-to-End Capture, Encoding & Sync Best Practices

Huawei's HarmonyOS best practice document details full-chain live streaming development: publisher-side audio/video capture with OHAudio, SDR/HDR Vivid video options, Surface-mode encoding, ROI region-of-interest coding, and system-pressure feedback for dynamic bitrate control; viewer-side AVPlayer playback, timestamp-based A/V sync, and memory-leak prevention; plus scenario-specific guidance for e-commerce, entertainment, and outdoor streams.

AVPlayerHDR VividHarmonyOS

0 likes · 6 min read

HarmonyOS Live Streaming: End-to-End Capture, Encoding & Sync Best Practices

HarmonyOS Developer Technology

Mar 2, 2026 · Mobile Development

HarmonyOS Compilation Optimization: Config Tweaks That Cut Build Time from 24 to 14 Minutes

This article details practical HarmonyOS compilation optimizations — unified lockfiles, boosted extraction, disabled JS intermediate output, and skipped lib compression — that reduced full builds from 24 to 14 minutes and incremental builds from 4 to 2.5 minutes on a 3-million-line ArkTS codebase.

ArkTSDevEco StudioHarmonyOS

0 likes · 7 min read

HarmonyOS Compilation Optimization: Config Tweaks That Cut Build Time from 24 to 14 Minutes