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51CTO HarmonyOS Developer Community
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51CTO HarmonyOS Developer Community

The HarmonyOS Developer Community is a learning-oriented community for developers to learn, communicate, ask questions, and share.

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Recent Articles

Latest from 51CTO HarmonyOS Developer Community

74 recent articles
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Mar 5, 2026 · Cloud Native

HarmonyOS ArkTS & Huawei Cloud FunctionGraph: Edge-Cloud Collaboration Implementation

This article explains how to implement edge-cloud collaboration using HarmonyOS ArkTS for lightweight client-side development and Huawei Cloud FunctionGraph serverless functions for professional cloud-side processing, covering core concepts, advantages, functions, scenarios, a comparison with traditional ECS/containers, quick-start steps, and complete code examples for both ArkTS HTTP requests and FunctionGraph functions.

0 likes · 11 min read
HarmonyOS ArkTS & Huawei Cloud FunctionGraph: Edge-Cloud Collaboration Implementation
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Feb 25, 2026 · Mobile Development

Mastering HarmonyOS Concurrency: TaskPool, Worker & TaskGroup in AI Photo App

Through an AI ID photo tool case study, this article demonstrates HarmonyOS concurrency patterns: TaskPool for short preprocessing, Worker for long AI inference, TaskGroup for parallel batch generation, SequenceRunner for dependent tasks, SharedArrayBuffer for zero-copy sharing, Sendable for thread-safe singletons, and producer-consumer queues for real-time previews, with before/after performance metrics.

HarmonyOSSendableSequenceRunner
0 likes · 29 min read
Mastering HarmonyOS Concurrency: TaskPool, Worker & TaskGroup in AI Photo App
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Feb 6, 2026 · Information Security

HarmonyOS StarShield Security Architecture: From Level II Certification to Six-Layer Defense

This article analyzes HarmonyOS security architecture, detailing its Level II national certification, the six-layer StarShield defense model covering hardware TEE, microkernel isolation, dynamic permissions, distributed security, and a government migration case study with measurable security improvements.

Distributed SecurityDynamic PermissionsHarmonyOS
0 likes · 19 min read
HarmonyOS StarShield Security Architecture: From Level II Certification to Six-Layer Defense
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Jan 21, 2026 · Mobile Development

HarmonyOS 6: Building a Pocket-Sized Smart Elderly Care System with Distributed Capabilities

This case study details how HarmonyOS 6 distributed features — soft bus, atomic services, distributed data management, and task scheduling — were used to create a unified elderly care platform connecting seniors, families, caregivers, and doctors across devices and locations, with code examples and lessons on elderly-friendly design.

HarmonyOSHarmonyOS 6IoT
0 likes · 19 min read
HarmonyOS 6: Building a Pocket-Sized Smart Elderly Care System with Distributed Capabilities
51CTO HarmonyOS Developer Community
51CTO HarmonyOS Developer Community
Jan 16, 2026 · Mobile Development

PromptTuner: Building a HarmonyOS 6 Prompt Assistant App - Technical Practices

This article shares the complete development journey of PromptTuner, a HarmonyOS 6 native app for prompt discovery, optimization, and management, covering architecture, ArkUI declarative UI patterns, state management, API abstraction, local analytics, privacy compliance, and performance optimization techniques with concrete code examples and metrics.

ArkTSArkUIDeclarative UI
0 likes · 43 min read
PromptTuner: Building a HarmonyOS 6 Prompt Assistant App - Technical Practices