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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

Aug 7, 2026 · Mobile Development

HarmonyOS APMS Fault Metrics: Multi-Dimensional App Health Monitoring

This article details HarmonyOS Application Performance Monitoring Service (APMS) fault metrics, explaining access via AppGallery Connect, four core functions — metric query, version comparison, dimension distribution, and TOP problem aggregation — and how real-time crash, freeze, OOM, and resource leak data enable proactive app health inspection.

APMSHarmonyOSHuawei

0 likes · 4 min read

HarmonyOS APMS Fault Metrics: Multi-Dimensional App Health Monitoring

HarmonyOS Developer Technology

Aug 6, 2026 · Frontend Development

Building a Professional RGB Color Wheel Picker for HarmonyOS PC with ArkTS

This tutorial walks through creating a high-performance HSV-based color wheel component for HarmonyOS PC using ArkTS and ArkUI, covering mathematical foundations, bidirectional RGB/HSV/Hex synchronization, mouse interaction handling, and on-device verification with DevEco Studio and HDC commands.

ArkTSArkUIDevEco Studio

0 likes · 12 min read

Building a Professional RGB Color Wheel Picker for HarmonyOS PC with ArkTS

HarmonyOS Developer Technology

Aug 3, 2026 · Mobile Development

Debug HarmonyOS ArkTS Closures: Uncover Hidden Variables in DevEco Studio

This guide teaches HarmonyOS developers how to debug ArkTS closures using DevEco Studio, covering breakpoint setup, variable inspection via Closure nodes, watch expressions, value modification, and common pitfalls like missing closure nodes and deep nesting.

ArkTSDevEco StudioHarmonyOS

0 likes · 9 min read

Debug HarmonyOS ArkTS Closures: Uncover Hidden Variables in DevEco Studio

HarmonyOS Developer Technology

Jul 30, 2026 · Mobile Development

From Wife's Gift to HDC 2026: Building an AI Bead Art App with HarmonyOS

A developer couple created 'Love Bean AI Blueprint,' a HarmonyOS app that generates bead art patterns from photos using AI, built with a Cangjie/ArkTS/C++ architecture and AI-assisted migration tools, earning a spot at HDC 2026 Star Avenue.

AI-assisted developmentARArkTS

0 likes · 12 min read

From Wife's Gift to HDC 2026: Building an AI Bead Art App with HarmonyOS

HarmonyOS Developer Technology

Jul 28, 2026 · Mobile Development

ArkTS Memory Snapshot Clustering: Three Rules to Pinpoint Leaks in 100K+ Objects

This article details three clustering rules — shortest reference chain, name-plus-reference chain, and property-plus-reference chain — for analyzing ArkTS memory snapshots, enabling developers to automatically group 100,000+ objects and identify leak sources by retained size and allocation site.

ArkTSHarmonyOSJSNativePointer

0 likes · 7 min read

ArkTS Memory Snapshot Clustering: Three Rules to Pinpoint Leaks in 100K+ Objects

HarmonyOS Developer Technology

Jul 27, 2026 · Mobile Development

ArkTS Memory Leak Detection: LocalHandle Tool Pinpoints Leaks in Minutes, Not Days

This guide introduces the LocalHandle leak detection tool for HarmonyOS ArkTS, which uses smart instrumentation to identify memory leaks at creation time by checking for active handle scopes, reducing debugging from days to minutes with 100% accuracy and direct code-line navigation in DevEco Studio.

ArkTSDebugging ToolsDevEco Studio

0 likes · 15 min read

ArkTS Memory Leak Detection: LocalHandle Tool Pinpoints Leaks in Minutes, Not Days

HarmonyOS Developer Technology

Jul 24, 2026 · Mobile Development

Locating Native Memory Leaks in HarmonyOS Apps: Complete Profiling Workflow

This article details common causes of native memory leaks in HarmonyOS apps and provides a step-by-step workflow using DevEco Profiler's Allocation template to reproduce, identify, analyze, and fix leaks via Native Heap and call stack analysis, illustrated with a real-world case study.

Allocation TemplateC/C++ Memory ManagementCall Stack Analysis

0 likes · 12 min read

Locating Native Memory Leaks in HarmonyOS Apps: Complete Profiling Workflow

HarmonyOS Developer Technology

Jul 22, 2026 · Mobile Development

Debugging App Freezes with HarmonyOS Enhanced Logs: Multi-Sampling Stack Analysis

This guide explains how HarmonyOS enhanced freeze logs use multi-sampling stack collection and CPU load analysis to precisely diagnose app freeze root causes, covering a four-step analysis workflow with concrete log examples.

AppFreezeDFXHarmonyOS

0 likes · 12 min read

Debugging App Freezes with HarmonyOS Enhanced Logs: Multi-Sampling Stack Analysis

HarmonyOS Developer Technology

Jul 21, 2026 · Mobile Development

DevEco Code 0.1.3 & DevEco CLI 1.2.0 Released: Goal Mode Upgrades, ArkTS Accuracy Boost, New CLI Commands

Huawei releases DevEco Code 0.1.3 and DevEco CLI 1.2.0 with enhanced ArkTS code generation, new static analysis tools, Goal mode improvements, and comprehensive CLI commands for HarmonyOS app development including build, run, emulator management, and MCP services.

AI-assisted developmentArkTSCLI tools

0 likes · 10 min read

DevEco Code 0.1.3 & DevEco CLI 1.2.0 Released: Goal Mode Upgrades, ArkTS Accuracy Boost, New CLI Commands

HarmonyOS Developer Technology

Jul 17, 2026 · Mobile Development

Decoding HarmonyOS Native Crashes: Systematic CppCrash Analysis from Signal to Root Cause

This article presents a systematic methodology for analyzing HarmonyOS native crashes using CppCrash skills, demonstrated through a real-world SIGSEGV case study that reveals a use-after-free bug in ECSConnection reference counting across threads.

CppCrashDFXHarmonyOS

0 likes · 10 min read

Decoding HarmonyOS Native Crashes: Systematic CppCrash Analysis from Signal to Root Cause