# Application Development - [Application Development Overview](application-dev-guide.md) - About OpenHarmony - [OpenHarmony Project](../OpenHarmony-Overview.md) - [Glossary](../glossary.md) - [Release Notes](../release-notes/Readme.md) - Quick Start - Getting Started - [Before You Start](quick-start/start-overview.md) - [Getting Started with ArkTS in Stage Model](quick-start/start-with-ets-stage.md) - Development Fundamentals - Application Package Fundamentals - [Application Package Overview](quick-start/application-package-overview.md) - Application Package Structure - [Application Package Structure in Stage Model](quick-start/application-package-structure-stage.md) - [Application Package Structure in FA Model](quick-start/application-package-structure-fa.md) - Multi-HAP Mechanism - [Multi-HAP Design Objectives](quick-start/multi-hap-objective.md) - [Multi-HAP Build View](quick-start/multi-hap-build-view.md) - [Multi-HAP Development, Debugging, Release, and Deployment Process](quick-start/multi-hap-release-deployment.md) - [Multi-HAP Usage Rules](quick-start/multi-hap-rules.md) - [Multi-HAP Operation Mechanism and Data Communication Modes](quick-start/multi-hap-principles.md) - [Application Installation and Uninstallation Process](quick-start/application-package-install-uninstall.md) - Shared Package - [Shared Package Overview](quick-start/shared-guide.md) - [HAR](quick-start/har-package.md) - HSP - [In-Application HSP Development](quick-start/in-app-hsp.md) - [Inter-Application HSP Development (for System Applications Only)](quick-start/cross-app-hsp.md) - Application Configuration Files in Stage Model - [Application Configuration File Overview (Stage Model)](quick-start/application-configuration-file-overview-stage.md) - [app.json5 Configuration File](quick-start/app-configuration-file.md) - [module.json5 Configuration File](quick-start/module-configuration-file.md) - Application Configuration Files in FA Model - [Application Configuration File Overview (FA Model)](quick-start/application-configuration-file-overview-fa.md) - [Internal Structure of the app Tag](quick-start/app-structure.md) - [Internal Structure of the deviceConfig Tag](quick-start/deviceconfig-structure.md) - [Internal Structure of the module Tag](quick-start/module-structure.md) - [Resource Categories and Access](quick-start/resource-categories-and-access.md) - Learning ArkTS - [Getting Started with ArkTS](quick-start/arkts-get-started.md) - Basic Syntax - [Basic Syntax Overview](quick-start/arkts-basic-syntax-overview.md) - [Declarative UI Description](quick-start/arkts-declarative-ui-description.md) - Custom Component - [Creating a Custom Component](quick-start/arkts-create-custom-components.md) - [Page and Custom Component Lifecycle](quick-start/arkts-page-custom-components-lifecycle.md) - [\@Builder Decorator: Custom Builder Function](quick-start/arkts-builder.md) - [\@BuilderParam Decorator: \@Builder Function Reference](quick-start/arkts-builderparam.md) - [\@Styles Decorator: Definition of Resusable Styles](quick-start/arkts-style.md) - [\@Extend Decorator: Extension of Built-in Components](quick-start/arkts-extend.md) - [stateStyles: Polymorphic Style](quick-start/arkts-statestyles.md) - State Management - [State Management Overview](quick-start/arkts-state-management-overview.md) - Component State Management - [\@State Decorator: State Owned by Component](quick-start/arkts-state.md) - [\@Prop Decorator: One-Way Synchronization from Parent to Child Components](quick-start/arkts-prop.md) - [\@Link Decorator: Two-Way Synchronization Between Parent and Child Components](quick-start/arkts-link.md) - [\@Provide and \@Consume Decorators: Two-Way Synchronization with Descendant Components](quick-start/arkts-provide-and-consume.md) - [\@Observed and \@ObjectLink Decorators: Observing Attribute Changes in Nested Class Objects](quick-start/arkts-observed-and-objectlink.md) - Application State Management - [Application State Management Overview](quick-start/arkts-application-state-management-overview.md) - [LocalStorage: UI State Storage](quick-start/arkts-localstorage.md) - [AppStorage: Application-wide UI State Storage](quick-start/arkts-appstorage.md) - [PersistentStorage: Application State Persistence](quick-start/arkts-persiststorage.md) - [Environment: Device Environment Query](quick-start/arkts-environment.md) - Other State Management Features - [Overview of Other State Management Features](quick-start/arkts-other-state-mgmt-functions-overview.md) - [\@Watch Decorator: Getting Notified of State Variable Changes](quick-start/arkts-watch.md) - [$$ Syntax: Two-Way Synchronization of Built-in Components](quick-start/arkts-two-way-sync.md) - Rendering Control - [Overview of Rendering Control](quick-start/arkts-rendering-control-overview.md) - [if/else: Conditional Rendering](quick-start/arkts-rendering-control-ifelse.md) - [ForEach: Rendering of Repeated Content](quick-start/arkts-rendering-control-foreach.md) - [LazyForEach: Lazy Data Loading](quick-start/arkts-rendering-control-lazyforeach.md) - Development - [Application Models](application-models/Readme-EN.md) - [UI Development](ui/Readme-EN.md) - [Web](web/Readme-EN.md) - [Notification](notification/Readme-EN.md) - [Window Manager](windowmanager/Readme-EN.md) - [WebGL](webgl/Readme-EN.md) - [Media](media/Readme-EN.md) - [Security](security/Readme-EN.md) - [Connectivity](connectivity/Readme-EN.md) - [Data Management](database/Readme-EN.md) - [File Management](file-management/Readme-EN.md) - [Telephony Service](telephony/Readme-EN.md) - [Task Management](task-management/Readme-EN.md) - [Device Management](device/Readme-EN.md) - [Device Usage Statistics](device-usage-statistics/Readme-EN.md) - [DFX](dfx/Readme-EN.md) - [Internationalization](internationalization/Readme-EN.md) - [Application Test](application-test/Readme-EN.md) - [IDL Specifications and User Guide](IDL/idl-guidelines.md) - [Native APIs](napi/Readme-EN.md) - Tools - [DevEco Studio (OpenHarmony) User Guide](quick-start/deveco-studio-user-guide-for-openharmony.md) - [Debugging Tools](tools/Readme-EN.md) - Hands-On Tutorials - [Samples](https://gitee.com/openharmony/applications_app_samples/blob/master/README.md) - [Codelabs](https://gitee.com/openharmony/codelabs/tree/master) - API References - [SystemCapability](reference/syscap.md) - [SystemCapability List](reference/syscap-list.md) - [Component Reference (TypeScript-based Declarative Development Paradigm)](reference/arkui-ts/Readme-EN.md) - [Component Reference (JavaScript-based Web-like Development Paradigm)](reference/arkui-js/Readme-EN.md) - [JavaScript Service Widget UI Component Reference](reference/js-service-widget-ui/Readme-EN.md) - API Reference - [ArkTS and JavaScript APIs](reference/apis/Readme-EN.md) - [Error Codes](reference/errorcodes/Readme-EN.md) - Native API Reference - [Native APIs](reference/native-apis/Readme-EN.md) - [Standard Libraries](reference/native-lib/third_party_libc/musl.md) - [Node_API](reference/native-lib/third_party_napi/napi.md) - [FAQs](faqs/Readme-EN.md) - Contribution - [How to Contribute](../contribute/documentation-contribution.md)