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!
The article demonstrates how CodeGenie uses MCP to connect external knowledge bases and Rules to enforce ArkTS standards, enabling AI to detect deprecated APIs, retrieve official docs, and generate compliant HarmonyOS code through a four-step workflow.
This technical guide explores HarmonyOS number, currency, and measurement formatting for internationalized apps, covering Intl.NumberFormat parameters, notation styles, I18NUtil unit conversion, and solutions for locale mismatches, currency errors, conversion inaccuracies, mixed-language displays, performance bottlenecks, and backend compatibility.
Hisense Aijia's smart home app migrated to HarmonyOS using ArkTS, integrating Scan Kit for robust QR scanning, Cast Engine for low-latency screen casting, responsive layouts for foldable devices, and Account Kit for simplified OAuth login, cutting launch time to 2 seconds with HarmonyOS team support.
The HarmonyOS version of Liulishuo English integrated the co-built ImageKnifePro library, solving high-concurrency rendering bottlenecks, OOM risks, and cross-platform migration challenges, achieving 40% faster first-load times, sub-50ms cached loads, 30% fewer duplicate downloads, 20% lower memory usage, and 30% less migration code.
This article details three core aspects of building cinema-grade long video apps with HarmonyOS AVPlayer: smooth gesture-based brightness and orientation controls, stable playback via audio focus management and seamless foreground/background resume, and full functionality including picture-in-picture and background audio playback.
This guide teaches WeChat developers how to ensure Mini Programs and web apps run correctly across Android, HarmonyOS, iOS, Windows, and Mac by implementing platform detection via systemInfo and User-Agent parsing, with complete code examples for each scenario.
This article explains how to enable and configure code obfuscation in HarmonyOS applications using DevEco Studio, covering compiler options, rule files, HAR building modes, debugging obfuscated stack traces, and third-party hardening requirements for app security.
This case study details how the Chang Xiang Si poetry app overcame HarmonyOS SDK compatibility issues by developing custom Flutter plugins, leveraged HarmonyOS's 'one development, multi-device' capability to achieve 90% code reuse across phones, foldables, and tablets, integrated Huawei Account one-click login, and explores future AI voice reading and eye-tracking interactions.
This guide details how to secure HarmonyOS app network connections by configuring trusted CA certificates for server validation, disabling user-installed CAs to prevent MITM attacks, and implementing SSL pinning for high-security applications like banking.
This tutorial demonstrates how to implement external subtitles (SRT/VTT) in HarmonyOS using AVPlayer's subtitleUpdate event, covering subtitle file loading via addSubtitleFromFd, callback registration, synchronization, and limitations like pre-playback-only subtitle setting.
