Application Development

• Application Development Overview
• About OpenHarmony
  • OpenHarmony Project
  • Glossary
  • Release Notes
• Quick Start
  • Getting Started
    • Before You Start
    • Getting Started with ArkTS in Stage Model
  • Development Fundamentals
    • Application Package Fundamentals
      • Application Package Overview
      • Application Package Structure
        • Application Package Structure in Stage Model
        • Application Package Structure in FA Model
      • Multi-HAP Mechanism
        • Multi-HAP Design Objectives
        • Multi-HAP Build View
        • Multi-HAP Development, Debugging, Release, and Deployment Process
        • Multi-HAP Usage Rules
        • Multi-HAP Operation Mechanism and Data Communication Modes
      • Application Installation and Uninstallation Process
      • Shared Package
        • Shared Package Overview
        • HAR
        • HSP
          • In-Application HSP Development
    • Application Configuration Files in Stage Model
      • Application Configuration File Overview (Stage Model)
      • app.json5 Configuration File
      • module.json5 Configuration File
    • Application Configuration Files in FA Model
      • Application Configuration File Overview (FA Model)
      • Internal Structure of the app Tag
      • Internal Structure of the deviceConfig Tag
      • Internal Structure of the module Tag
  • Resource Categories and Access
  • Learning ArkTS
    • Getting Started with ArkTS
    • Basic Syntax
      • Basic Syntax Overview
      • Declarative UI Description
      • Custom Component
        • Creating a Custom Component
        • Page and Custom Component Lifecycle
      • @Builder Decorator: Custom Builder Function
      • @BuilderParam Decorator: @Builder Function Reference
      • @Styles Decorator: Definition of Resusable Styles
      • @Extend Decorator: Extension of Built-in Components
      • @AnimatableExtend Decorator: Definition of Animatable Attributes
      • stateStyles: Polymorphic Style
    • State Management
      • State Management Overview
      • Component State Management
        • @State Decorator: State Owned by Component
        • @Prop Decorator: One-Way Synchronization from Parent to Child Components
        • @Link Decorator: Two-Way Synchronization Between Parent and Child Components
        • @Provide and @Consume Decorators: Two-Way Synchronization with Descendant Components
        • @Observed and @ObjectLink Decorators: Observing Attribute Changes in Nested Class Objects
      • Application State Management
        • Application State Management Overview
        • LocalStorage: UI State Storage
        • AppStorage: Application-wide UI State Storage
        • PersistentStorage: Application State Persistence
        • Environment: Device Environment Query
      • Other State Management Features
        • Overview of Other State Management Features
        • @Watch Decorator: Getting Notified of State Variable Changes
        • $$ Syntax: Two-Way Synchronization of Built-in Components
    • Rendering Control
      • Overview of Rendering Control
      • if/else: Conditional Rendering
      • ForEach: Rendering of Repeated Content
      • LazyForEach: Lazy Data Loading
• Development
  • Application Models
  • UI Development
  • ArkTS Common Library
  • Web
  • Notification
  • Window Manager
  • WebGL
  • Media
  • Security
  • Connectivity
  • Data Management
  • File Management
  • Telephony Service
  • Task Management
  • Device Management
  • Device Usage Statistics
  • DFX
  • Internationalization
  • Application Test
  • IDL Specifications and User Guide
  • Native APIs
  • Performance
• Tools
  • DevEco Studio (OpenHarmony) User Guide
  • Debugging Tools
• Hands-On Tutorials
  • Samples
  • Codelabs
• API References
  • SystemCapability
  • SystemCapability List
  • Component Reference (TypeScript-based Declarative Development Paradigm)
  • Component Reference (JavaScript-based Web-like Development Paradigm)
  • JavaScript Service Widget UI Component Reference
  • API Reference
    • ArkTS and JavaScript APIs
    • Error Codes
    • Native API Reference
      • Native APIs
      • Standard Libraries
      • Node_API
• FAQs
• Contribution
  • How to Contribute