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DevEco Studio

36 articles · Page 1 of 1
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Aug 17, 2026 · Mobile Development

ArkTS ArkGuard Obfuscation: Two Configs, Release Build, Bytecode-Level Protection

This guide explains how to enable ArkTS's built-in ArkGuard obfuscation with just two configuration files and a release build, detailing its bytecode-level operation, automatic semantic-aware rules for ArkUI and system APIs, multi-module rule management, mapping files for debugging, and step-by-step rollout with practical demos for property, filename, and dynamic access keep rules.

ArkGuardArkTSDevEco Studio
0 likes · 19 min read
ArkTS ArkGuard Obfuscation: Two Configs, Release Build, Bytecode-Level Protection
HarmonyOS Developer Technology
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
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
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Jul 8, 2026 · Mobile Development

DevEcoCli: Unified CLI for HarmonyOS Development with AI Integration

This guide introduces DevEcoCli, a unified command-line tool that wraps DevEco Studio's toolchain (ohpm, hvigor, hdc, emulator, hilog) for HarmonyOS app development, covering installation, core commands (create, build, run, emulator, docs, skills), and integration with AI coding agents like Claude Code and Cursor for natural-language-driven workflows.

AI integrationCLIDevEco Studio
0 likes · 16 min read
DevEcoCli: Unified CLI for HarmonyOS Development with AI Integration
HarmonyOS Developer Technology
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
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
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
Model Perspective
Model Perspective
Jan 28, 2026 · Mobile Development

Master HarmonyOS App Development: From Zero to Your First Hello World

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.

ArkTSArkUIDevEco Studio
0 likes · 12 min read
Master HarmonyOS App Development: From Zero to Your First Hello World
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Jan 13, 2026 · Mobile Development

HarmonyOS for Kids' Education: Technical Deep-Dive into 'Shengqu Guoqitong' App

A HarmonyOS developer shares the full technical practice of building a children's flag-learning app, covering technology selection (Core Speech Kit, ArkTS, Stage model), core feature implementation (offline voice synthesis/recognition, canvas drawing, puzzle game), global state management with AppStorage, performance optimizations for 200+ flags, and future plans for multi-device collaboration and AI integration.

ArkTSCore Speech KitDevEco Studio
0 likes · 26 min read
HarmonyOS for Kids' Education: Technical Deep-Dive into 'Shengqu Guoqitong' App
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Dec 29, 2025 · Mobile Development

Building a HarmonyOS 6 Travel App: Declarative UI, ArkData & AI Itinerary Planning

The article shares the development of 'Hongtu Zhidao', a travel app built on HarmonyOS 6, detailing its architecture, challenges like multi-tab navigation and AI content persistence, and solutions using ArkTS/ArkUI declarative UI, ArkData local storage, AppStorageV2 for global state, real-time AI itinerary planning, and DevEco Studio's hot reload and multi-device preview.

AppStorageV2ArkDataArkTS
0 likes · 18 min read
Building a HarmonyOS 6 Travel App: Declarative UI, ArkData & AI Itinerary Planning
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Sep 26, 2025 · Mobile Development

CodeGenie: HarmonyOS-Native Code Completion with Cross-Module Intelligence & Adaptive Acceptance

CodeGenie leverages a Huawei-curated HarmonyOS corpus to provide context-aware code completion with three trigger modes, fine-grained acceptance controls, cross-module dependency resolution, and adaptive style learning, enabling developers to generate accurate ArkTS code while maintaining full control over suggestions.

AI-assisted developmentArkTSCodeGenie
0 likes · 8 min read
CodeGenie: HarmonyOS-Native Code Completion with Cross-Module Intelligence & Adaptive Acceptance
HarmonyOS Developer Technology
HarmonyOS Developer Technology
Sep 22, 2025 · Information Security

ArkGuard Obfuscation Tool Guide: Secure HarmonyOS Code with Step-by-Step Configuration

This guide details how to enable and configure the ArkGuard source code obfuscation tool in HarmonyOS projects, covering build-profile.json setup, default rules, obfuscation and retention options, release compilation requirements, and the ObfuscationHelper utility for automated whitelist generation.

ArkGuardDevEco StudioHarmonyOS
0 likes · 10 min read
ArkGuard Obfuscation Tool Guide: Secure HarmonyOS Code with Step-by-Step Configuration
Sohu Smart Platform Tech Team
Sohu Smart Platform Tech Team
Aug 10, 2025 · Mobile Development

How to Integrate Push Notifications in HarmonyOS: A Step‑by‑Step Guide

This tutorial walks you through the complete process of adding push notification support to a HarmonyOS app, covering environment setup, certificate generation, profile configuration, client ID setup, permission requests, token retrieval, handling cold and hot starts, and the required server payload format.

AppGallery ConnectCode ExampleDevEco Studio
0 likes · 6 min read
How to Integrate Push Notifications in HarmonyOS: A Step‑by‑Step Guide
JD Tech Talk
JD Tech Talk
Oct 15, 2024 · Mobile Development

Overview and Usage of the Hvigor Build Tool for HarmonyOS Development

Hvigor is a TypeScript‑based build orchestration tool for HarmonyOS that manages tasks, project models, and configurations, integrates with DevEco Studio for consistent command‑line and IDE builds, supports lifecycle phases, custom tasks, plugins, and routing plugins, and provides detailed development guides and code examples.

Build ToolDevEco StudioHarmonyOS
0 likes · 16 min read
Overview and Usage of the Hvigor Build Tool for HarmonyOS Development
Sohu Tech Products
Sohu Tech Products
Aug 21, 2024 · Mobile Development

Analyzing and Optimizing Device Overheating Issues Using Trace Data

This article explains how to evaluate device overheating using metrics such as CPU/GPU usage and temperature, collect and visualize Trace data with SmartPerf or DevEco Studio, analyze high‑load threads and frequency scaling, and apply targeted code changes—disabling sensors, releasing Lottie resources, and simplifying components—to reduce heat and restore frame‑rate stability.

CPU OptimizationDevEco StudioHarmonyOS
0 likes · 14 min read
Analyzing and Optimizing Device Overheating Issues Using Trace Data
Sohu Tech Products
Sohu Tech Products
Aug 21, 2024 · Mobile Development

HarmonyOS Push Notification Integration Guide: Sohu News Implementation

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.

AppGallery ConnectArkTSDevEco Studio
0 likes · 9 min read
HarmonyOS Push Notification Integration Guide: Sohu News Implementation
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Aug 10, 2024 · Mobile Development

Implementing a Four-Level Address Cascade Component with Custom Dialog in Huawei HarmonyOS (Next)

This tutorial demonstrates how to build a four‑level province‑city‑district‑town address cascade selector using a custom dialog in Huawei HarmonyOS, covering preparation, custom dialog creation, component communication, logic implementation, and data handling with complete code examples.

Address CascadeCustom DialogDevEco Studio
0 likes · 14 min read
Implementing a Four-Level Address Cascade Component with Custom Dialog in Huawei HarmonyOS (Next)
Baidu Geek Talk
Baidu Geek Talk
Feb 26, 2024 · Mobile Development

HarmonyOS Development Guide: From Basics to First App

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.

ArkTSArkUIDeclarative UI
0 likes · 17 min read
HarmonyOS Development Guide: From Basics to First App
JD Tech
JD Tech
Feb 7, 2024 · Mobile Development

Quick Start Guide for Developing HarmonyOS Native Apps with Taro

This guide provides a step‑by‑step tutorial on configuring the development environment, installing Taro v4 beta, setting up the HarmonyOS project in DevEco Studio, and using Taro plugins and scripts to build, preview, and debug native HarmonyOS applications.

CLIDevEco StudioHarmonyOS
0 likes · 11 min read
Quick Start Guide for Developing HarmonyOS Native Apps with Taro
360 Tech Engineering
360 Tech Engineering
Jan 18, 2024 · Mobile Development

Comprehensive Guide to Developing Applications on HarmonyOS (Huawei)

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.

ArkTSDevEco StudioHarmonyOS
0 likes · 23 min read
Comprehensive Guide to Developing Applications on HarmonyOS (Huawei)
Ximalaya Technology Team
Ximalaya Technology Team
Nov 14, 2023 · Mobile Development

Getting Started with Huawei DevEco Studio for HarmonyOS Application Development

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.

ArkTSDevEco StudioHarmonyOS
0 likes · 6 min read
Getting Started with Huawei DevEco Studio for HarmonyOS Application Development
Ctrip Technology
Ctrip Technology
Jul 14, 2022 · Mobile Development

Trip.com’s HarmonyOS Development Experience: Architecture, Service Card Creation, and Deployment

This article shares Trip.com’s practical experience with HarmonyOS development, covering the system’s distributed architecture, supported languages, service‑card design, native‑WebView integration, configuration files, testing, signing, and future outlook for cross‑device mobile applications.

DevEco StudioHarmonyOSMobile Development
0 likes · 12 min read
Trip.com’s HarmonyOS Development Experience: Architecture, Service Card Creation, and Deployment
Beike Product & Technology
Beike Product & Technology
Dec 10, 2021 · Mobile Development

HarmonyOS Architecture, Features, and Service Card Development Guide

This article provides a comprehensive overview of HarmonyOS's layered architecture, key technical features, application development fundamentals, and step‑by‑step instructions for creating and configuring service cards, including code examples, debugging tips, common issues, and future development directions.

DevEco StudioDistributed ArchitectureHarmonyOS
0 likes · 17 min read
HarmonyOS Architecture, Features, and Service Card Development Guide
ITPUB
ITPUB
Jun 8, 2021 · Mobile Development

Is HarmonyOS Just a Skinned Android? A Hands‑On Demo with DevEco Studio

The article explains HarmonyOS 2.0’s architecture, debunks the claim that it merely skins Android by showing its compatibility layer, walks through creating a simple HarmonyOS app with DevEco Studio, and highlights the .hap package format and future .app format as evidence of an independent ecosystem.

App DevelopmentCompatibility LayerDevEco Studio
0 likes · 6 min read
Is HarmonyOS Just a Skinned Android? A Hands‑On Demo with DevEco Studio