Application Development

• Application Development Overview
• Quick Start
  • Getting Started
  • Before You Start
  • Building the First ArkTS Application 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
    • Application Package Update Process
    • Shared Package
    • Shared Package Overview
    • HAR
    • HSP
      • In-Application HSP Development
    • Quick Fix
    • Quick Fix Overview
    • CLI-based Quick Fix 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
  • Introduction to ArkTS
  • TypeScript to ArkTS Migration Guide
    • ArkTS Migration Background
    • TypeScript to ArkTS Cookbook
  • UI Paradigm
    • 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
    • stateStyles: Polymorphic Style
    • \@AnimatableExtend Decorator: Definition of Animatable Attributes
    • 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
    • MVVM
    • Best Practices for State Management
    • Rendering Control
    • Overview of Rendering Control
    • if/else: Conditional Rendering
    • ForEach: Rendering of Repeated Content
    • LazyForEach: Lazy Data Loading
    • Best Practices for Rendering Control
• Development
  • Application Models
  • Application Model Overview
    • Elements of the Application Model
    • Interpretation of the Application Model
  • Stage Model Development
    • Stage Model Development Overview
    • Stage Model Application Components
    • Application- or Component-Level Configuration
    • UIAbility Component
      • UIAbility Overview
      • UIAbility Lifecycle
      • UIAbility Launch Type
      • UIAbility Usage
      • Data Synchronization Between UIAbility and UI Page
      • Intra-Device Interaction Between UIAbility Components
    • ExtensionAbility Component
      • ExtensionAbility Overview
      • ServiceExtensionAbility
      • AccessibilityExtensionAbility
      • EnterpriseAdminExtensionAbility
      • InputMethodExtensionAbility
      • WindowExtensionAbility (for System Applications Only)
      • DriverExtensionAbility
    • Service Widget Development in Stage Model
      • Service Widget Overview
      • Developing an ArkTS Widget
      • ArkTS Widget Working Principles
      • ArkTS Widget Related Modules
      • ArkTS Widget Development
        • Creating an ArkTS Widget
        • Configuring Widget Configuration Files
        • Widget Lifecycle Management
        • Widget Page Development
        • Widget Page Capability Overview
        • Using Animations in the Widget
        • Applying Custom Drawing in the Widget
        • Widget Event Development
        • Widget Event Capability Overview
        • Redirecting to a UIAbility Through the router Event
        • Launching a UIAbility in the Background Through the call Event
        • Updating Widget Content Through the message Event
        • Updating Widget Content Through the router or call Event
        • Widget Data Interaction
        • Widget Data Interaction Overview
        • Configuring a Widget to Update Periodically
        • Updating Widget Content Through a Proxy
        • Updating Local and Online Images in the Widget
        • Updating Widget Content by State
        • Updating Widget Content by Widget Host (for System Applications Only)
      • Developing a JS Widget
    • AbilityStage Component Container
    • Context
    • Want
      • Want Overview
      • Matching Rules of Explicit Want and Implicit Want
      • Common action and entities Values
      • Using Explicit Want to Start an Application Component
      • Using Implicit Want to Open a Website
      • Using Want to Share Data Between Applications
    • Component Startup Rules (Stage Model)
    • Inter-Device Application Component Interaction (Continuation)
      • Continuation Overview
      • Cross-Device Migration
      • Multi-device Collaboration (for System Applications Only)
    • Subscribing to System Environment Variable Changes
    • Process Model
    • Process Model Overview
    • Common Events
      • Introduction to Common Events
      • Common Event Subscription
      • Common Event Subscription Overview
      • Subscribing to Common Events in Dynamic Mode
      • Subscribing to Common Events in Static Mode (for System Applications Only)
      • Unsubscribing from Common Events
      • Publishing Common Events
      • Removing Sticky Common Events (for System Applications Only)
    • Background Services
    • Thread Model
    • Thread Model Overview
    • Using Emitter for Inter-Thread Communication
    • Using Worker for Inter-Thread Communication
    • Mission Management
    • Mission Management Scenarios
    • Mission and Launch Type
    • Page Stack and Mission List
    • Setting the Icon and Name of a Mission Snapshot
    • Application Configuration File (Stage Model)
  • FA Model Development
    • FA Model Development Overview
    • FA Model Application Components
    • Application- or Component-Level Configuration
    • PageAbility Component Development
      • PageAbility Component Overview
      • PageAbility Component Configuration
      • PageAbility Lifecycle
      • PageAbility Launch Type
      • Creating a PageAbility
      • Starting a Local PageAbility
      • Stopping a PageAbility
      • Starting a Remote PageAbility (for System Applications Only)
      • Starting a Specified Page
      • Window Properties
      • Requesting Permissions
      • Redirection Rules
    • ServiceAbility Component Development
      • ServiceAbility Overview
      • ServiceAbility Configuration
      • ServiceAbility Lifecycle
      • Creating a ServiceAbility
      • Starting a ServiceAbility
      • Connecting to a ServiceAbility
    • DataAbility Component Development
      • DataAbility Overview
      • DataAbility Configuration
      • DataAbility Lifecycle
      • Creating a DataAbility
      • Starting a DataAbility
      • Accessing a DataAbility
      • DataAbility Permission Control
    • Widget Development
    • Context
    • Want
    • Component Startup Rules (FA Model)
    • Process Model
    • Process Model Overview
    • Common Events
    • Background Services
    • Thread Model
    • Thread Model Overview
    • Inter-Thread Communication
    • Mission Management
    • Application Configuration File (FA Model)
  • Development of Component Interaction Between the FA Model and Stage Model
    • Component Interaction Between the FA Model and Stage Model
    • Starting a UIAbility from the FA Model
    • Connecting to a ServiceExtensionAbility from the FA Model
    • Accessing a DataShareExtensionAbility from the FA Model
    • Starting a PageAbility from the Stage Model
    • Connecting to a ServiceAbility from the Stage Model
  • Switching from the FA Model to the Stage Model
    • Model Switching Overview
    • Configuration File Switching
    • Differences in Configuration Files
    • Switching of app and deviceConfig
    • Switching of module
    • Component Switching
    • PageAbility Switching
    • ServiceAbility Switching
    • DataAbility Switching
    • Widget Switching
    • API Switching
    • API Switching Overview
    • Context Switching
    • featureAbility Switching
    • particleAbility Switching
    • LifecycleForm Switching
    • LifecycleApp Switching
    • LifecycleService Switching
    • LifecycleData Switching
    • DataAbilityHelper Switching
    • mediaLibrary Switching
    • request Switching
    • resourceManager Switching
    • window Switching
    • Storage Switching
  • UI Development
  • ArkUI Overview
  • UI Development (ArkTS-based Declarative Development Paradigm)
    • UI Development (ArkTS-based Declarative Development Paradigm) Overview
    • Layout Development
    • Layout Overview
    • Building a Layout
      • Linear Layout (Row/Column)
      • Stack Layout (Stack)
      • Flex Layout (Flex)
      • Relative Layout (RelativeContainer)
      • Responsive Grid Layout (GridRow/GridCol)
      • Media Query (mediaquery)
      • Creating a List (List)
      • Creating a Grid (Grid/GridItem)
      • Creating a Swiper (Swiper)
    • Adding a Component
    • Adding a Common Component
      • Button
      • Radio Button (Radio)
      • Toggle
      • Progress Indicator (Progress)
      • Text Display (Text/Span)
      • Text Input (TextInput/TextArea)
      • Custom Dialog Box (CustomDialog)
      • Video Playback (Video)
      • XComponent
    • Adding a Popup and Menu
      • Popup
      • Menu
    • Setting Page Routing and Component Navigation
    • Page Routing (router)
    • Component Navigation
      • Navigation
      • Tabs
    • Using Graphics
    • Displaying Images (Image)
    • Drawing Geometric Shapes (Shape)
    • Drawing Custom Graphics on the Canvas (Canvas)
    • Using Animation
    • Animation Overview
    • Property Animation
      • Property Animation Overview
      • Property Animation APIs
      • Custom Property Animation
    • Transition Animation
      • Transition Animation Overview
      • Enter/Exit Transition
      • Navigation Transition
      • Modal Transition
      • Shared Element Transition
      • Page Transition Animation (Not Recommended)
    • Component Animation
    • Animation Curve
      • Animation Curve Overview
      • Traditional Curve
      • Spring Curve
    • Animation Smoothing
    • Animation Effects
      • Blur Effect
      • Shadow Effect
      • Color Effect
    • Using Interaction Events
    • Interaction Event Overview
    • Universal Events
      • Touchscreen Event
      • Keyboard and Mouse Event
      • Focus Event
    • Gesture Events
      • Gesture Binding
      • Single Gesture
      • Combined Gestures
  • UI Development with JavaScript-compatible Web-like Development Paradigm
    • UI Development with JavaScript-compatible Web-like Development Paradigm Overview
    • Framework
    • File Organization
    • “js” Tag
    • app.js
    • Syntax
      • HML
      • CSS
      • JavaScript
    • Lifecycle
    • Resource Limitations and Access
    • Multi-Language Capability
    • Building the UI
    • Component Overview
    • Building the Layout
      • Layout Description
      • Adding Title and Paragraph Text
      • Adding an Image
      • Adding a Comment
      • Adding a Container
    • Adding Interactions
    • Developing Animations
    • Defining Gesture Events
    • Defining Page Routes
    • Common Component Development Guidelines
    • Container Components
      • List Development
      • Dialog Development
      • Form Development
      • Stepper Development
      • Tabs Development
      • Swiper Development
    • Basic Components
      • Text Development
      • Input Development
      • Button Development
      • Picker Development
      • Image Development
      • Image-animator Development
      • Rating Development
      • Slider Development
      • Chart Development
      • Switch Development
      • Toolbar Development
      • Menu Development
      • Marquee Development
      • Qrcode Development
      • Search Development
    • Canvas Development
      • Canvas
      • CanvasRenderingContext2D
      • Path2D
      • OffscreenCanvasRenderingContext2D
    • Grid-container Development
    • Svg
      • Basics
      • Graph Drawing
      • Path Drawing
      • Text Drawing
    • Animation Development Guidelines
    • CSS Animation
      • Defining Attribute Style Animations
      • Defining Animations with the transform Attribute
      • Defining Animations with the background-position Attribute
      • Defining Animations for SVG Components
    • JS Animation
      • Component Animation
      • Interpolator Animation
      • Animation Effect
      • Animation Frame
    • Custom Components
  • ArkTS Common Library
  • Overview of ArkTS Common Library
  • Concurrency
    • Concurrency Overview
    • Using Asynchronous Concurrency for Development
    • Asynchronous Concurrency Overview
    • Single I/O Task Development
    • Using Multithread Concurrency for Development
    • Multithread Concurrency Overview
    • Comparison Between TaskPool and Worker
    • CPU Intensive Task Development
    • I/O Intensive Task Development
    • Synchronous Task Development
  • Container
    • Container Overview
    • Linear Containers
    • Nonlinear Containers
  • XML Generation, Parsing, and Conversion
    • XML Overview
    • XML Generation
    • XML Parsing
    • XML Conversion
  • Web
  • Web Component Overview
  • Loading Pages by Using the Web Component
  • Setting Basic Attributes and Events
    • Setting the Dark Mode
    • Uploading Files
    • Opening Pages in a New Window
    • Managing Location Permissions
  • Using Frontend Page JavaScript Code on the Application
    • Invoking Frontend Page Functions on the Application
    • Invoking Application Functions on the Frontend Page
    • Establishing a Data Channel Between the Application and the Frontend Page
  • Managing Page Redirection and Browsing History Navigation
  • Managing Cookies and Data Storage
  • Customizing Page Request Responses
  • Debugging Frontend Pages by Using DevTools
  • Notification
  • Notification Overview
  • Notification Subscription (for System Applications Only)
  • Enabling Notification
  • Notification Badge
  • Publishing a Notification
    • Publishing a Basic Notification
    • Publishing a Progress Notification
    • Adding a WantAgent Object to a Notification
  • Window Manager
  • Window Overview
  • Application Window Development (Stage Model)
  • Application Window Development (FA Model)
  • System Window Development (Stage Model Only)
  • WebGL
  • WebGL Overview
  • WebGL Development
  • Media
  • Media Application Overview
  • Audio and Video
    • Audio and Video Overview
    • AVPlayer and AVRecorder
    • Audio Playback
    • Audio Playback Overview
    • Using AVPlayer for Audio Playback
    • Using AudioRenderer for Audio Playback
    • Using OpenSL ES for Audio Playback
    • Using TonePlayer for Audio Playback (for System Applications Only)
    • Using OHAudio for Audio Playback
    • Audio Playback Concurrency Policy
    • Volume Management
    • Audio Effect Management
    • Audio Playback Stream Management
    • Audio Output Device Management
    • Distributed Audio Playback (for System Applications Only)
    • Audio Recording
    • Audio Recording Overview
    • Using AVRecorder for Audio Recording
    • Using AudioCapturer for Audio Recording
    • Using OpenSL ES for Audio Recording
    • Using OHAudio for Audio Recording
    • Microphone Management
    • Audio Recording Stream Management
    • Audio Input Device Management
    • Audio Call
    • Audio Call Overview
    • Developing Audio Call
    • Video Playback
    • Video Recording
    • Screen Capture
    • Audio and Video Codecs
    • Obtaining Supported Codecs
    • Audio Encoding
    • Audio Decoding
    • Video Encoding
    • Video Decoding
    • Audio/Video Encapsulation
    • Audio/Video Decapsulation
  • AVSession
    • AVSession Overview
    • Local AVSession
    • Local AVSession Overview
    • AVSession Provider
    • AVSession Controller
    • Distributed AVSession
    • Distributed AVSession Overview
    • Using Distributed AVSession
  • Camera
    • Camera Overview
    • Camera Development
    • Camera Development Preparations
    • Device Input Management
    • Session Management
    • Camera Preview
    • Camera Photographing
    • Camera Recording
    • Camera Metadata
    • Best Practices
    • Camera Photographing Sample
    • Camera Recording Sample
    • Implementation Solution for Portrait Mode
    • Using Performance Improvement Features (for System Applications Only)
  • Image
    • Image Overview
    • Image Decoding
    • Image Processing
    • Image Transformation (ArkTS)
    • Image Transformation (Native)
    • Pixel Map Operation
    • Image Encoding
    • Image Tool
  • Security
  • Access Control
    • Access Control (Permission) Overview
    • Applying for Permissions
    • Verifying API Access Permissions
    • Application Permission List
    • Application Permission Group List
  • User Authentication
    • User Authentication Overview
    • User Authentication Development
  • HUKS
    • HUKS Overview
    • HUKS Development (ArkTS)
    • HUKS Development (Native)
    • HUKS Cipher Algorithm Specifications
  • Crypto Framework
    • Crypto Framework Overview
    • Crypto Framework Development
  • Certificate
    • Certificate Overview
    • Certificate Development
  • hapsigner
    • hapsigner Overview
    • hapsigner Guide
    • HarmonyAppProvision Configuration File
  • AI
  • AI Development
  • Using MindSpore Lite JavaScript APIs to Develop AI Applications
  • Using MindSpore Lite Native APIs to Develop AI Applications
  • Connectivity
  • Network Management
    • Network Management Overview
    • HTTP Data Request
    • WebSocket Connection
    • Socket Connection
    • Network Sharing
    • Ethernet Connection
    • Network Connection Management
    • MDNS Management
    • Traffic Management
    • VPN Management
  • IPC & RPC
    • IPC & RPC Overview
    • IPC & RPC Development
    • Subscribing to State Changes of a Remote Object
  • Telephony Service
  • Telephony Service Overview
  • Call Service Development
  • SMS Service Development
  • Data Management
  • Data Management Overview
  • Application Data Persistence
    • Overview of Application Data Persistence
    • Persisting Preferences Data
    • Persisting KV Store Data
    • Persisting RDB Store Data
  • Distributed Application Data Synchronization
    • Distributed Application Data Synchronization Overview
    • Cross-Device Synchronization of KV Stores
    • Cross-Device Synchronization of RDB Stores
    • Cross-Device Synchronization of Distributed Data Objects
  • Data Reliability and Security
    • Data Reliability and Security Overview
    • Database Backup and Restoration
    • Database Encryption
    • Access Control by Device and Data Level
  • Cross-Application Data Sharing
    • Data Sharing Overview
    • Unified Data Definition
    • One-to-Many Data Sharing (for System Applications Only)
    • Sharing Data Using DataShareExtensionAbility
    • Silent Access via the DatamgrService
    • Many-to-Many Data Sharing
    • Sharing Data via Unified Data Channels
  • File Management
  • File Management Overview
  • Application File
    • Application File Overview
    • Application Sandbox Directory
    • Application File Access and Management
    • Accessing Application Files
    • Uploading and Downloading an Application File
    • Obtaining Application and File System Space Statistics
    • Sending Files to an Application Sandbox
    • Sharing an Application File
    • Application Data Backup and Restoration
    • Application Data Backup and Restoration Overview
    • Backing Up and Restoring Application Access Data
    • Backing Up and Restoring Application-triggered Data (for System Applications Only)
  • User File
    • User File Overview
    • Selecting and Saving User Files (FilePicker)
    • Selecting User Files
    • Saving User Files
    • Album Management (photoAccessHelper)
    • photoAccessHelper Overview
    • Media Asset (Image and video) Management
    • User Album Management
    • System Album Management
    • Media Asset Change Notification Management
    • Developing a FileManager Application (for System Applications Only)
    • Managing External Storage Devices (for System Applications Only)
  • Distributed File System
    • Distributed File System Overview
    • Setting the Security Level of a Distributed File
    • Accessing Files Across Devices
  • Background Task Management
  • Background Task Overview
  • Transient Task
  • Continuous Task
  • Deferred Task
  • Agent-powered Reminder
  • Requesting Efficiency Resources (for Privileged System Applications Only)
  • Device Management
  • USB Service
    • USB Service Overview
    • USB Service Development
  • Location
    • Location Development
  • Sensor
    • Sensor Overview
    • Sensor Development
  • Vibrator
    • Vibrator Overview
    • Vibrator Development
  • Multimodal Input
    • Input Device Development
    • Mouse Pointer Development
  • Update Service
    • Sample Server Overview
    • Sample Server Development
  • Stationary
    • Stationary Development
  • Peripheral
    • Peripheral Management Development
  • Device Usage Statistics
  • Device Usage Statistics Overview
  • Device Usage Statistics Development
  • DFX
  • Development of Application Event Logging
  • Development of Distributed Call Chain Tracing
  • HiLog Development (Native)
  • Performance Tracing
    • Development of Performance Tracing (ArkTS)
    • Development of Performance Tracing (Native)
  • Error Management
    • Development of Error Manager
    • Development of Application Recovery
  • Log Analysis
    • Application Freeze (appfreeze) Log Analysis
    • cppcrash Log Analysis
  • Internationalization
  • Internationalization Overview
  • Internationalization Development (intl)
  • Internationalization Development (i18n)
  • Application services
  • OAID Service
  • Application Test
  • arkXtest User Guide
  • SmartPerf User Guide
  • wukong User Guide
  • IDL Specifications and User Guide
  • Native APIs
  • Using Native APIs in Application Projects
  • Graphics
    • XComponent Development
    • Drawing Development
    • NativeBuffer Development
    • NativeImage Development
    • NativeVsync Development
    • NativeWindow Development
    • Vulkan Development
  • Resource Management
    • Raw File Development
  • AI
    • Using MindSpore Lite for Model Inference
    • Using MindSpore Lite for Offline Model Conversion and Inference
    • Connecting the Neural Network Runtime to an AI Inference Framework
  • Memory Management
    • Purgeable Memory Development
  • Device Management
    • USB DDK Development
  • Data Management
    • RelationalStore Development Guide
  • Performance
  • ArkTS High-Performance Programming
    • TypeScript and JavaScript High-Performance Programming Practices and Tools
    • Efficient Concurrent Programming
  • Reducing Frame Freezing
    • Proper LazyForEach Usage for Optimization
    • Best Practices for Component Reuse
    • High-Performance WaterFlow Development
    • Swiper High-Performance Development
    • Proper State Management
    • Reducing Frame Loss
  • Improving Application Startup and Response Times
    • Speeding Up Application Cold Start
    • Speeding Up Application Response
    • Flex Layout Performance Improvement
    • Reducing Nesting
    • Proper IPC Usage
    • More Performance Improvement Methods
• Tools
  • DevEco Studio (OpenHarmony) User Guide
  • Debugging Tools
  • Ability Assistant
  • Bundle Manager
  • Packing and Unpacking Tools
    • Packing Tool
    • Unpacking Tool
  • Common Event Manager
  • Advanced Notification Manager
  • restool
  • LLDB
• Hands-On Tutorials
  • Samples
  • Codelabs
• API References
  • SystemCapability
  • SystemCapability List
  • ArkTS API Reference
  • API Reference Document Description
  • Ability Framework
    • Stage Model (Recommended)
    • @ohos.app.ability.Ability (Ability Base Class)
    • @ohos.app.ability.AbilityConstant (AbilityConstant)
    • @ohos.app.ability.abilityLifecycleCallback (AbilityLifecycleCallback)
    • @ohos.app.ability.AbilityStage (AbilityStage)
    • @ohos.app.ability.ActionExtensionAbility (ExtensionAbility for Custom Actions)
    • @ohos.app.ability.ApplicationStateChangeCallback (ApplicationStateChangeCallback)
    • @ohos.app.ability.common (Context)
    • @ohos.app.ability.contextConstant (ContextConstant)
    • @ohos.app.ability.EnvironmentCallback (EnvironmentCallback)
    • @ohos.app.ability.ExtensionAbility (ExtensionAbility Base Class)
    • @ohos.app.ability.ServiceExtensionAbility (ServiceExtensionAbility)
    • @ohos.app.ability.ShareExtensionAbility (ExtensionAbility for Sharing)
    • @ohos.app.ability.StartOptions (StartOptions)
    • @ohos.app.ability.UIAbility (UIAbility)
    • @ohos.app.ability.UIExtensionAbility (Base Class for ExtensionAbilities with UI)
    • @ohos.app.ability.UIExtensionContentSession (UI Operation Class for ExtensionAbilities with UI)
    • @ohos.app.form.FormExtensionAbility (FormExtensionAbility)
    • @ohos.application.DataShareExtensionAbility (DataShareExtensionAbility)
    • @ohos.application.StaticSubscriberExtensionAbility (StaticSubscriberExtensionAbility)
    • FA Model
    • @ohos.ability.ability (Ability)
    • @ohos.ability.featureAbility (FeatureAbility)
    • @ohos.ability.particleAbility (ParticleAbility)
    • Both Models (Recommended)
    • @ohos.app.ability.abilityDelegatorRegistry (AbilityDelegatorRegistry)
    • @ohos.app.ability.abilityManager (AbilityManager)
    • @ohos.app.ability.appManager (appManager)
    • @ohos.app.ability.appRecovery (appRecovery)
    • @ohos.app.ability.Configuration (Configuration)
    • @ohos.app.ability.ConfigurationConstant (ConfigurationConstant)
    • @ohos.app.ability.dataUriUtils (DataUriUtils)
    • @ohos.app.ability.dialogRequest (dialogRequest)
    • @ohos.app.ability.errorManager (ErrorManager)
    • @ohos.app.ability.missionManager (missionManager)
    • @ohos.app.ability.quickFixManager (quickFixManager)
    • @ohos.app.ability.Want (Want)
    • @ohos.app.ability.wantAgent (WantAgent)
    • @ohos.app.ability.wantConstant (wantConstant)
    • @ohos.app.businessAbilityRouter (Business Ability Router)
    • @ohos.app.form.formBindingData (formBindingData)
    • @ohos.app.form.formHost (FormHost)
    • @ohos.app.form.formInfo (FormInfo)
    • @ohos.app.form.formObserver (formObserver)
    • @ohos.app.form.formProvider (FormProvider)
    • @ohos.application.uriPermissionManager (URI Permission Management)
    • Both Models (To Be Deprecated Soon)
    • @ohos.ability.dataUriUtils (DataUriUtils)
    • @ohos.ability.errorCode (ErrorCode)
    • @ohos.ability.wantConstant (wantConstant)
    • @ohos.application.abilityDelegatorRegistry (AbilityDelegatorRegistry)
    • @ohos.application.abilityManager (AbilityManager)
    • @ohos.application.appManager (appManager)
    • @ohos.application.Configuration (Configuration)
    • @ohos.application.ConfigurationConstant (ConfigurationConstant)
    • @ohos.application.formBindingData (formBindingData)
    • @ohos.application.formError (FormError)
    • @ohos.application.formHost (FormHost)
    • @ohos.application.formInfo (FormInfo)
    • @ohos.application.formProvider (FormProvider)
    • @ohos.application.missionManager (missionManager)
    • @ohos.application.Want (Want)
    • @ohos.wantAgent (WantAgent)
    • Dependent Elements and Definitions
    • ability
      • abilityResult
      • connectOptions
      • dataAbilityHelper
      • dataAbilityOperation
      • dataAbilityResult
      • startAbilityParameter
      • want
    • app
      • appVersionInfo
      • context
      • processInfo
    • application
      • abilityDelegator
      • abilityDelegatorArgs
      • abilityMonitor
      • AbilityRunningInfo
      • AbilityStageContext
      • AbilityStateData
      • abilityStageMonitor
      • ApplicationContext
      • ApplicationStateObserver
      • AppStateData
      • BaseContext
      • Context
      • ContinuableInfo
      • ContinueCallback
      • ContinueDeviceInfo
      • ContinueMissionInfo
      • ErrorObserver
      • ExtensionContext
      • ExtensionRunningInfo
      • FormExtensionContext
      • MissionCallbacks
      • MissionDeviceInfo
      • MissionInfo
      • MissionListener
      • MissionParameter
      • MissionSnapshot
      • ProcessData
      • ProcessRunningInfo
      • ProcessInformation
      • ServiceExtensionContext
      • UIAbilityContext
      • UIExtensionContext
      • shellCmdResult
      • WindowExtensionContext
    • wantAgent
      • triggerInfo
      • wantAgentInfo
    • Continuation
    • @ohos.continuation.continuationManager (continuationManager)
    • continuation
      • continuationExtraParams
      • continuationResult
  • Common Event and Notification
    • System Common Events
    • @ohos.commonEventManager (Common Event) (Recommended)
    • @ohos.events.emitter (Emitter)
    • @ohos.notificationManager (NotificationManager) (Recommended)
    • @ohos.notificationSubscribe (NotificationSubscribe) (Recommended)
    • @ohos.application.StaticSubscriberExtensionContext (NotificationSubscribe) (Recommended)
    • System Common Events (To Be Deprecated Soon)
    • @ohos.commonEvent (Common Event) (To Be Deprecated Soon)
    • @ohos.notification (Notification) (To Be Deprecated Soon)
    • application
    • EventHub
    • commonEvent
    • CommonEventData
    • CommonEventPublishData
    • CommonEventSubscriber
    • CommonEventSubscribeInfo
    • notification
    • NotificationActionButton
    • NotificationCommonDef
    • NotificationContent
    • NotificationFlags
    • NotificationRequest
    • NotificationSlot
    • NotificationSorting
    • NotificationSortingMap
    • NotificationSubscribeInfo
    • NotificationSubscriber
    • NotificationTemplate
    • NotificationUserInput
    • Common Events
    • Common Events of the Ability Subsystem
    • Common Events of the Bundle Management Subsystem
    • Common Events of the Notification Service
    • Common Events of the Resource Scheduler Subsystem
    • Common Events of the Window Management Subsystem
    • Common Events of the Network Management Subsystem
    • Common Events of the SMS Application
    • Common Events of the Telephony Subsystem
    • Common Events of the Power Management Subsystem
    • Common Events of the NFC Subsystem
    • Common Events of the Wi-Fi Subsystem
    • Common Events of the USB Subsystem
    • Common Events of the File Management Subsystem
    • Common Events of the Theme Framework - Lock Screen
    • Common Events of the Time and Time Zone Subsystem
    • Common Events of the Account Subsystem
  • Bundle Management
    • @ohos.bundle.appControl (appControl)
    • @ohos.bundle.bundleManager (bundleManager)
    • @ohos.bundle.bundleMonitor (bundleMonitor)
    • @ohos.bundle.defaultAppManager (Default Application Management)
    • @ohos.bundle.distributedBundleManager (distributedBundleManager)
    • @ohos.bundle.freeInstall (freeInstall)
    • @ohos.bundle.installer (installer)
    • @ohos.bundle.launcherBundleManager (launcherBundleManager)
    • @ohos.bundle.overlay (overlay)
    • @ohos.zlib (Zip)
    • bundleManager
    • abilityInfo
    • applicationInfo
    • AppProvisionInfo
    • bundleInfo
    • BundlePackInfo
    • BusinessAbilityInfo
    • dispatchInfo
    • elementName
    • extensionAbilityInfo
    • hapModuleInfo
    • launcherAbilityInfo
    • metadata
    • OverlayModuleInfo
    • permissionDef
    • remoteAbilityInfo
    • SharedBundleInfo
    • shortcutInfo
  • UI Page
    • @ohos.animator (Animator)
    • @ohos.arkui.componentSnapshot (Component Snapshot)
    • @ohos.arkui.componentUtils (componentUtils)
    • @ohos.arkui.dragController (DragController)
    • @ohos.arkui.drawableDescriptor (DrawableDescriptor)
    • @ohos.arkui.inspector (Layout Callback)
    • @ohos.arkui.performanceMonitor (Performance Monitor)
    • @ohos.arkui.UIContext (UIContext)
    • @ohos.curves (Interpolation Calculation)
    • @ohos.font (Custom Font Registration)
    • @ohos.matrix4 (Matrix Transformation)
    • @ohos.measure (Text Measurement)
    • @ohos.mediaquery (Media Query)
    • @ohos.pluginComponent (PluginComponentManager)
    • @ohos.promptAction (Prompt)
    • @ohos.router (Page Routing)
    • @ohos.uiAppearance (UI Appearance)
  • Graphics
    • @ohos.animation.windowAnimationManager (Window Animation Management)
    • @ohos.application.WindowExtensionAbility (WindowExtensionAbility)
    • @ohos.display (Display)
    • @ohos.effectKit (Image Effects)
    • @ohos.graphics.colorSpaceManager (Color Space Management)
    • @ohos.screen (Screen)
    • @ohos.screenshot (Screenshot)
    • @ohos.window (Window)
  • Multimedia
    • @ohos.app.ability.MediaControlExtensionAbility (ExtensionAbility for Media Playback Control)
    • @ohos.multimedia.audio (Audio Management)
    • @ohos.multimedia.avsession (AVSession Management)
    • @ohos.multimedia.camera (Camera Management)
    • @ohos.multimedia.image (Image Processing)
    • @ohos.multimedia.media (Media)
    • @ohos.multimedia.systemSoundManager (System Sound Management)
    • application
    • MediaControlExtensionContext (ExtensionAbility Context for Media Playback Control)
    • multimedia
    • ringtonePlayer (Ringtone Player)
  • Resource Management
    • @ohos.i18n (Internationalization)
    • @ohos.intl (Internationalization)
    • @ohos.resourceManager (Resource Manager)
  • Background Task
    • @ohos.distributedMissionManager (Distributed Mission Management)
    • @ohos.reminderAgentManager (Agent-Powered Reminders)
    • @ohos.resourceschedule.backgroundTaskManager (Background Task Management)
    • @ohos.resourceschedule.workScheduler (Deferred Task Scheduling)
    • @ohos.resourceschedule.usageStatistics (Device Usage Statistics)
    • @ohos.WorkSchedulerExtensionAbility (Deferred Task Scheduling Callbacks)
    • application
    • WorkSchedulerExtensionContext
  • Security
    • @ohos.abilityAccessCtrl (Ability Access Control)
    • @ohos.privacyManager (Privacy Management)
    • @ohos.security.cert (Certificate)
    • @ohos.security.cryptoFramework (Crypto Framework)
    • @ohos.security.huks (HUKS)
    • @ohos.userIAM.faceAuth (Facial Authentication)
    • @ohos.userIAM.userAuth (User Authentication)
    • security
    • PermissionRequestResult
  • Data Management
    • @ohos.data.cloudData (Device-Cloud Synergy)
    • @ohos.data.dataAbility (DataAbility Predicates)
    • @ohos.data.dataShare (DataShare)
    • @ohos.data.dataSharePredicates (DataShare Predicates)
    • @ohos.data.dataShareResultSet (DataShare Result Set)
    • @ohos.data.distributedDataObject (Distributed Data Object)
    • @ohos.data.distributedKVStore (Distributed KV Store)
    • @ohos.data.preferences (User Preferences)
    • @ohos.data.relationalStore (RDB Store)
    • @ohos.data.unifiedDataChannel (Unified Data Channel)
    • @ohos.data.uniformTypeDescriptor (Standard Data Definition)
    • @ohos.data.ValuesBucket (Value Bucket)
  • File Management
    • @ohos.file.backup (Backup and Restoration)
    • @ohos.file.cloudSync (Device-Cloud Synchronization)
    • @ohos.file.cloudSyncManager (Device-Cloud Synchronization Management)
    • @ohos.file.environment (Directory Environment Capability)
    • @ohos.file.fileAccess (User File Access and Management)
    • @ohos.file.fileExtensionInfo (User File Extension Information)
    • @ohos.file.fileuri (File URI)
    • @ohos.file.fs (File Management)
    • @ohos.file.hash (File Hash Processing)
    • @ohos.file.photoAccessHelper (Album Management)
    • @ohos.file.picker (File Picker)
    • @ohos.file.securityLabel (Data Label)
    • @ohos.file.statvfs (File System Space Statistics)
    • @ohos.file.storageStatistics (Application Storage Statistics)
    • @ohos.file.volumeManager (Volume Management)
    • @ohos.filemanagement.userFileManager (User Data Management)
    • @ohos.fileshare (File Sharing)
  • AI
    • @ohos.ai.mindSporeLite (Inference)
    • @ohos.ai.intelligentVoice (Intelligent Voice)
  • Telephony Service
    • @ohos.contact (Contacts)
    • @ohos.telephony.call (Call)
    • @ohos.telephony.data (Cellular Data)
    • @ohos.telephony.observer (Observer)
    • @ohos.telephony.radio (Network Search)
    • @ohos.telephony.sim (SIM Management)
    • @ohos.telephony.sms (SMS)
  • Network Management
    • @ohos.net.connection (Network Connection Management)
    • @ohos.net.ethernet (Ethernet Connection Management)
    • @ohos.net.http (Data Request)
    • @ohos.net.policy (Network Policy Management)
    • @ohos.net.mdns (mDNS Management)
    • @ohos.net.sharing (Network Sharing)
    • @ohos.net.socket (Socket Connection)
    • @ohos.net.statistics (Traffic Management)
    • @ohos.net.vpn (VPN Management)
    • @ohos.net.webSocket (WebSocket Connection)
    • @ohos.request (Upload and Download)
  • Connectivity
    • @ohos.bluetooth.a2dp (Bluetooth A2DP Module) (Recommended)
    • @ohos.bluetooth.access (Bluetooth Access Module) (Recommended)
    • @ohos.bluetooth.baseProfile (Bluetooth baseProfile Module) (Recommended)
    • @ohos.bluetooth.ble (Bluetooth BLE Module) (Recommended)
    • @ohos.bluetooth.connection (Bluetooth connection Module) (Recommended)
    • @ohos.bluetooth.constant (Bluetooth constant Module) (Recommended)
    • @ohos.bluetooth.hfp (Bluetooth hfp Module) (Recommended)
    • @ohos.bluetooth.hid (Bluetooth hid Module) (Recommended)
    • @ohos.bluetooth.pan (Bluetooth pan Module) (Recommended)
    • @ohos.bluetooth.socket (Bluetooth socket Module) (Recommended)
    • @ohos.bluetooth (Bluetooth) (To Be Deprecated Soon)
    • @ohos.bluetoothManager (Bluetooth) (To Be Deprecated Soon)
    • @ohos.connectedTag (Active Tags)
    • @ohos.nfc.cardEmulation (Standard NFC Card Emulation)
    • @ohos.nfc.controller (Standard NFC)
    • @ohos.nfc.tag (Standard NFC Tags)
    • @ohos.rpc (RPC)
    • @ohos.secureElement (SE Management)
    • @ohos.wifiManager (WLAN) (Recommended)
    • @ohos.wifiManagerExt (WLAN Extension) (Recommended)
    • @ohos.wifi (WLAN) (To Be Deprecated Soon)
    • @ohos.wifiext (WLAN Extension) (To Be Deprecated Soon)
    • tag
    • nfctech (Standard NFC Technologies)
    • tagSession (Standard NFC Tag Session)
  • Basic Features
    • @ohos.accessibility (Accessibility)
    • @ohos.accessibility.config (System Accessibility Configuration)
    • @ohos.accessibility.GesturePath (Gesture Path)
    • @ohos.accessibility.GesturePoint (Gesture Point)
    • @ohos.application.AccessibilityExtensionAbility (AccessibilityExtensionAbility)
    • @ohos.base (Public Callback Information)
    • @ohos.faultLogger (FaultLogger)
    • @ohos.hichecker (HiChecker)
    • @ohos.hidebug (HiDebug)
    • @ohos.hilog (HiLog)
    • @ohos.hiSysEvent (System Event Logging)
    • @ohos.hiTraceChain (Distributed Call Chain Tracing)
    • @ohos.hiTraceMeter (Performance Tracing)
    • @ohos.hiviewdfx.hiAppEvent (Application Event Logging)
    • @ohos.inputMethod (Input Method Framework)
    • @ohos.inputMethodEngine (Input Method Service)
    • @ohos.InputMethodExtensionAbility (InputMethodExtensionAbility)
    • @ohos.InputMethodExtensionContext (InputMethodExtensionContext)
    • @ohos.InputMethodSubtype (Input Method Subtype)
    • @ohos.logLibrary (Log Library)
    • @ohos.pasteboard (Pasteboard)
    • @ohos.screenLock (Screenlock)
    • @ohos.systemDateTime (System Time and Time Zone)
    • @ohos.systemTimer (System Timer)
    • @ohos.wallpaper (Wallpaper)
    • @ohos.WallpaperExtensionAbility (WallpaperExtensionAbility)
    • @ohos.web.webview (Webview)
    • Console
    • Timer
    • syscap
    • application
    • AccessibilityExtensionContext
  • Device Management
    • @ohos.app.ability.DriverExtensionAbility (DriverExtensionAbility)
    • @ohos.batteryInfo (Battery Information)
    • @ohos.batteryStatistics (Battery Statistics)
    • @ohos.brightness (Screen Brightness)
    • @ohos.charger (Charging Type)
    • @ohos.cooperate (Screen Hopping)
    • @ohos.deviceAttest (Device Attestation)
    • @ohos.deviceStatus.dragInteraction (Drag)
    • @ohos.deviceInfo (Device Information)
    • @ohos.distributedDeviceManager (Device Management)
    • @ohos.distributedHardware.deviceManager (Device Management)
    • @ohos.driver.deviceManager (Peripheral Management)
    • @ohos.geoLocationManager (Geolocation Manager)
    • @ohos.multimodalInput.gestureEvent (Gesture Input Event)
    • @ohos.multimodalInput.inputConsumer (Input Consumer)
    • @ohos.multimodalInput.inputDevice (Input Device)
    • @ohos.multimodalInput.inputEvent (Input Event)
    • @ohos.multimodalInput.inputEventClient (Key Event Injection)
    • @ohos.multimodalInput.inputMonitor (Input Monitor)
    • @ohos.multimodalInput.intentionCode (Intention Code)
    • @ohos.multimodalInput.keyCode (Key Code)
    • @ohos.multimodalInput.keyEvent (Key Event)
    • @ohos.multimodalInput.mouseEvent (Mouse Event)
    • @ohos.multimodalInput.pointer (Mouse Pointer)
    • @ohos.multimodalInput.touchEvent (Touch Event)
    • @ohos.multimodalInput.shortKey (Shortcut Key)
    • @ohos.power (System Power Management)
    • @ohos.resourceschedule.deviceStandby (Device Standby)
    • @ohos.runningLock (Runninglock)
    • @ohos.sensor (Sensor)
    • @ohos.settings (Data Item Settings)
    • @ohos.stationary (Device Status Awareness Framework)
    • @ohos.systemCapability (SystemCapability)
    • @ohos.systemParameterEnhance (System Parameter)
    • @ohos.thermal (Thermal Management)
    • @ohos.update (Update)
    • @ohos.usbManager (USB Manager)
    • @ohos.vibrator (Vibrator)
    • application
    • DriverExtensionContext
  • Account Management
    • @ohos.account.appAccount (App Account Management)
    • @ohos.account.distributedAccount (Distributed Account Management)
    • @ohos.account.osAccount (OS Account Management)
  • Customization
    • @ohos.configPolicy (Configuration Policy)
  • Enterprise Device Management
    • Enterprise Device Management Overview (for System Applications Only)
    • @ohos.enterprise.accountManager (Account Management)
    • @ohos.enterprise.adminManager (Enterprise Device Management)
    • @ohos.enterprise.applicationManager (Application Management)
    • @ohos.enterprise.browser (Browser Management)
    • @ohos.enterprise.bundleManager (Bundle Management)
    • @ohos.enterprise.dateTimeManager (System Time Management)
    • @ohos.enterprise.deviceControl (Device Control Management)
    • @ohos.enterprise.deviceInfo (Device Information Management)
    • @ohos.enterprise.deviceSettings (Device Settings Management)
    • @ohos.enterprise.EnterpriseAdminExtensionAbility (EnterpriseAdminExtensionAbility)
    • @ohos.enterprise.networkManager (Network Management)
    • @ohos.enterprise.restrictions (Restrictions)
    • @ohos.enterprise.usbManager (USB Management)
    • @ohos.enterprise.wifiManager (Wi-Fi Management)
  • Common Library
    • @ohos.buffer (Buffer)
    • @ohos.convertxml (XML-to-JavaScript Conversion)
    • @ohos.process (Obtaining Process Information)
    • @ohos.taskpool (Using the Task Pool)
    • @ohos.uri (URI String Parsing)
    • @ohos.url (URL String Parsing)
    • @ohos.util (util)
    • @ohos.util.ArrayList (Linear Container ArrayList)
    • @ohos.util.Deque (Linear Container Deque)
    • @ohos.util.HashMap (Nonlinear Container HashMap)
    • @ohos.util.HashSet (Nonlinear Container HashSet)
    • @ohos.util.LightWeightMap (Nonlinear Container LightWeightMap)
    • @ohos.util.LightWeightSet (Nonlinear Container LightWeightSet)
    • @ohos.util.LinkedList (Linear Container LinkedList)
    • @ohos.util.List (Linear Container List)
    • @ohos.util.PlainArray (Nonlinear Container PlainArray)
    • @ohos.util.Queue (Linear Container Queue)
    • @ohos.util.Stack (Linear Container Stack)
    • @ohos.util.TreeMap (Nonlinear Container TreeMap)
    • @ohos.util.TreeSet (Nonlinear Container TreeSet)
    • @ohos.util.Vector (Linear Container Vector)
    • @ohos.worker (Worker Startup)
    • @ohos.xml (XML Parsing and Generation)
  • Application services
    • @ohos.identifier.oaid (OAID)
  • Test
    • @ohos.application.testRunner (TestRunner)
    • @ohos.uitest (UiTest)
  • APIs No Longer Maintained
    • @ohos.backgroundTaskManager (Background Task Management)
    • @ohos.bundle (Bundle)
    • @ohos.bundle.innerBundleManager (innerBundleManager)
    • @ohos.bundleState (Device Usage Statistics)
    • @ohos.bytrace (Performance Tracing)
    • @ohos.data.distributedData (Distributed Data Management)
    • @ohos.data.storage (Lightweight Data Storage)
    • @ohos.data.rdb (RDB)
    • @ohos.distributedBundle (Distributed Bundle Management)
    • @ohos.document (File Operation)
    • @ohos.fileio (File Management)
    • @ohos.geolocation (Geolocation)
    • @ohos.hiAppEvent (Application Event Logging)
    • @ohos.multimedia.medialibrary (Media Library Management)
    • @ohos.multimodalInput.inputDeviceCooperate (Screen Hopping)
    • @ohos.prompt (Prompt)
    • @ohos.reminderAgent (Reminder Agent)
    • @ohos.statfs (statfs)
    • @ohos.systemParameter (System Parameter)
    • @ohos.systemTime (System Time and Time Zone)
    • @ohos.usb (USB Management)
    • @system.app (Application Context)
    • @system.battery (Battery Information)
    • @system.bluetooth (Bluetooth)
    • @system.brightness (Screen Brightness)
    • @system.cipher (Cipher Algorithm)
    • @system.configuration (Application Configuration)
    • @system.device (Device Information)
    • @system.fetch (Data Request)
    • @system.file (File Storage)
    • @system.geolocation (Geolocation)
    • @system.mediaquery (Media Query)
    • @system.network (Network State)
    • @system.notification (Notification)
    • @system.package (Bundle Management)
    • @system.prompt (Prompt)
    • @system.request (Upload and Download)
    • @system.router (Page Routing)
    • @system.sensor (Sensor)
    • @system.storage (Data Storage)
    • @system.vibrator (Vibrator)
    • bundle
    • abilityInfo
    • applicationInfo
    • bundleInfo
    • bundleInstaller
    • bundleStatusCallback
    • customizeData
    • elementName
    • hapModuleInfo
    • launcherAbilityInfo
    • moduleInfo
    • PermissionDef
    • remoteAbilityInfo
    • shortcutInfo
    • data/rdb
    • resultSet
  • Component Reference (ArkTS-based Declarative Development Paradigm)
  • Component Overview
  • Universal Component Information
    • Universal Events
    • Click Event
    • Touch Event
    • Show/Hide Event
    • Drag/Drop Event
    • Key Event
    • Focus Event
    • Mouse Event
    • Component Area Change Event
    • Visible Area Change Event
    • Custom Keyboard Shortcuts
    • Universal Attributes
    • Size
    • Location
    • Layout Constraints
    • Flex Layout
    • Border
    • Border Image
    • Background
    • Opacity
    • Visibility
    • Enable/Disable
    • Overlay
    • Z-order Control
    • Transformation
    • Image Effect Configuration
    • Shape Clipping
    • Grid
    • Gradient Color
    • Popup Control
    • Menu Control
    • Focus Control
    • Hover Effect
    • Component ID
    • Polymorphic Style
    • restoreId
    • Foreground Color
    • Foreground Blur
    • Click Effect
    • Accessibility
    • Touch Interactions
      • Touch Target
      • Hit Test Control
    • Transition
      • Modal Transition
      • Sheet Transition
    • Obscuring
    • Universal Text Attributes
    • Drag and Drop Control
    • Safe Area
    • Gesture Handling
    • Gesture Binding Methods
    • Basic Gestures
      • TapGesture
      • LongPressGesture
      • PanGesture
      • PinchGesture
      • RotationGesture
      • SwipeGesture
    • Combined Gestures
  • Basic Components
    • AlphabetIndexer
    • Blank
    • Button
    • CalendarPicker
    • Checkbox
    • CheckboxGroup
    • DataPanel
    • DatePicker
    • Divider
    • FormComponent
    • Gauge
    • Image
    • ImageAnimator
    • ImageSpan
    • LoadingProgress
    • Marquee
    • Menu
    • MenuItem
    • MenuItemGroup
    • Navigation
    • NavRouter
    • NavDestination
    • PatternLock
    • PluginComponent
    • Progress
    • QRCode
    • Radio
    • Rating
    • RemoteWindow
    • RichEditor
    • RichText
    • ScrollBar
    • Search
    • Select
    • Slider
    • Span
    • Stepper
    • StepperItem
    • Text
    • TextArea
    • TextClock
    • TextInput
    • TextPicker
    • TextTimer
    • TimePicker
    • Toggle
    • Web
    • XComponent
  • Container Components
    • Badge
    • Column
    • ColumnSplit
    • Counter
    • Flex
    • FlowItem
    • FormLink
    • GridCol
    • GridRow
    • Grid
    • GridItem
    • Hyperlink
    • List
    • ListItem
    • ListItemGroup
    • Navigator
    • Panel
    • Refresh
    • RelativeContainer
    • Row
    • RowSplit
    • Scroll
    • SideBarContainer
    • Stack
    • Swiper
    • Tabs
    • TabContent
    • UIExtensionComponent
    • WaterFlow
  • Media Components
    • Video
  • Drawing Components
    • Circle
    • Ellipse
    • Line
    • Polyline
    • Polygon
    • Path
    • Rect
    • Shape
  • Canvas Components
    • Canvas
    • CanvasGradient
    • CanvasPattern
    • CanvasRenderingContext2D
    • ImageBitmap
    • ImageData
    • Matrix2D
    • OffscreenCanvas
    • OffscreenCanvasRenderingContext2D
    • Path2D
  • Advanced Components
    • @ohos.multimedia.avCastPicker (AVCastPicker)
  • Animation
    • AnimatorProperty
    • Explicit Animation
    • Transition Animation
    • Page Transition
    • Component Transition
    • Transition of Shared Elements
    • Implicit Shared Element Transition
    • Motion Path Animation
  • Global UI Methods
    • Pop-up Window
    • Alert Dialog Box
    • Action Sheet
    • Custom Dialog Box
    • Calendar Picker Dialog Box
    • Date Picker Dialog Box
    • Time Picker Dialog Box
    • Text Picker Dialog Box
    • Menu
  • Custom Component Lifecycle
  • State Management with Application-level Variables
  • Pixel Units
  • Enums
  • Types
  • Components No Longer Maintained
    • AbilityComponent
      
    • GridContainer
  • APIs No Longer Maintained
    • Click Control
  • Component Reference (JavaScript-compatible Web-like Development Paradigm - ArkUI.Full)
  • Universal Component Information
    • Universal Attributes
    • Universal Styles
    • Universal Events
    • Universal Methods
    • Animation Styles
    • Gradient Styles
    • Transition Styles
    • Media Query
    • Custom Font Styles
    • Atomic Layout
  • Container Components
    • badge
    • dialog
    • div
    • form
    • list
    • list-item
    • list-item-group
    • panel
    • popup
    • refresh
    • stack
    • stepper
    • stepper-item
    • swiper
    • tabs
    • tab-bar
    • tab-content
  • Basic Components
    • button
    • chart
    • divider
    • image
    • image-animator
    • input
    • label
    • marquee
    • menu
    • option
    • picker
    • picker-view
    • piece
    • progress
    • qrcode
    • rating
    • richtext
    • search
    • select
    • slider
    • span
    • switch
    • text
    • textarea
    • toolbar
    • toolbar-item
    • toggle
    • web
    • xcomponent
  • Media Components
    • video
  • Canvas Components
    • canvas
    • CanvasRenderingContext2D
    • Image
    • CanvasGradient
    • ImageData
    • Path2D
    • ImageBitmap
    • OffscreenCanvas
    • OffscreenCanvasRenderingContext2D
  • Grid Components
    • Basic Concepts
    • grid-container
    • grid-row
    • grid-col
  • SVG Components
    • Universal Attributes
    • svg
    • rect
    • circle
    • ellipse
    • path
    • line
    • polyline
    • polygon
    • text
    • tspan
    • textPath
    • animate
    • animateMotion
    • animateTransform
  • Custom Components
    • Basic Usage
    • props
    • Style Inheritance
    • slot
    • Lifecycle Definition
  • Dynamic Component Creation
  • Data Type Attributes
  • Component Reference (JavaScript-compatible Web-like Development Paradigm - ArkUI.Lite)
  • Framework Overview
    • File Organization
    • “js” Tag
    • app.js
    • Lifecycle
    • Multi-Language Capability
    • Syntax
    • HML
    • CSS
    • JavaScript
  • Universal Component Information
    • Universal Events
    • Universal Attributes
    • Universal Styles
    • Animation Styles
    • Media Query
  • Container Components
    • div
    • list
    • list-item
    • stack
    • swiper
  • Basic Components
    • chart
    • image
    • image-animator
    • input
    • marquee
    • picker-view
    • progress
    • qrcode
    • slider
    • switch
    • text
  • Canvas Components
    • canvas
    • CanvasRenderingContext2D
  • JavaScript Service Widget UI Component Reference
  • JavaScript Service Widget UI Framework
    • File Organization
    • Syntax
    • HML
    • CSS
    • Multi-Language Capability
    • Version Compatibility Adaptation
    • Theme Configuration
  • Universal Components
    • Universal Attributes
    • Universal Styles
    • Universal Events
    • Gradient Styles
    • Media Query
    • Custom Font Styles
    • Accessibility
    • Atomic Layout
  • Container Components
    • badge
    • div
    • list
    • list-item
    • stack
    • swiper
  • Basic Components
    • button
    • calendar
    • chart
    • clock
    • divider
    • image
    • input
    • progress
    • span
    • text
  • Custom Component Basic Usage
  • Data Types
  • Error Codes
  • Universal Error Codes
  • Ability Framework
    • Ability Error Codes
    • Distributed Scheduler Error Codes
    • Form Error Codes
  • AI
    • Intelligent Voice Error Codes
  • Bundle Management
    • Bundle Error Codes
    • zlib Error Codes
  • Common Event and Notification
    • Event Error Codes
    • Notification Error Codes
    • DistributedNotificationService Error Codes
  • UI Page
    • Animator Error Codes
    • promptAction Error Codes
    • Router Error Codes
    • UI Appearance Error Codes
  • Graphics
    • colorSpaceManager Error Codes
    • Display Error Codes
    • Window Error Codes
  • Multimedia
    • Audio Error Codes
    • Media Error Codes
    • AVSession Management Error Codes
    • Camera Error Codes
    • Image Error Codes
  • Resource Management
    • I18N Error Codes
    • Resource Manager Error Codes
  • Background Task
    • backgroundTaskManager Error Codes
    • DeviceUsageStatistics Error Codes
    • reminderAgentManager Error Codes
    • workScheduler Error Codes
  • Security
    • Access Token Error Codes
    • HUKS Error Codes
    • Crypto Framework Error Codes
    • Certificate Error Codes
    • User Authentication Error Codes
  • Data Management
    • RDB Error Codes
    • DataShare Error Codes
    • Distributed Data Object Error Codes
    • Distributed KV Store Error Codes
    • User Preference Error Codes
  • File Management
    • File Management Error Codes
  • Telephony Service
    • Telephony Error Codes
  • Network Management
    • Upload and Download Error Codes
    • HTTP Error Codes
    • Socket Error Codes
    • Network Connection Management Error Codes
    • Ethernet Connection Error Codes
    • Network Sharing Error Codes
    • Policy Management Error Codes
    • mDNS Error Codes
    • Traffic Management Error Codes
    • VPN Error Codes
  • Connectivity
    • Bluetooth Error Codes
    • Wi-Fi Error Codes
    • NFC Error Codes
    • SE Error Codes
    • RPC Error Codes
  • Basic Features
    • Accessibility Error Codes
    • FaultLogger Error Codes
    • Application Event Logging Error Codes
    • HiSysEvent Error Codes
    • HiDebug Error Codes
    • Log Library Error Codes
    • Input Method Framework Error Codes
    • Pasteboard Error Codes
    • Screen Lock Management Error Codes
    • Time and Time Zone Service Error Codes
    • Webview Error Codes
  • Account Management
    • Account Management Error Codes
  • Device Management
    • Power Consumption Statistics Error Codes
    • Brightness Error Codes
    • Power Manager Error Codes
    • Running Lock Error Codes
    • Thermal Manager Error Codes
    • Device Management Error Codes
    • Location Subsystem Error Codes
    • Screen Hopping Error Codes
    • Screen Hopping Error Codes (To Be Deprecated Soon)
    • Sensor Error Codes
    • Vibrator Error Codes
    • System Parameter Error Codes
    • USB Error Codes
    • Update Error Codes
  • Customization
    • Enterprise Device Management Error Codes
  • Common Library
    • Common Library Error Codes
  • Application services
    • OAID Error Codes
  • Test
    • UiTest Error Codes
  • Native APIs
  • Native API Introduction
  • Modules
    • Native XComponent
    • HiLog
    • NativeWindow
    • OH_NativeBuffer
    • Drawing
    • OH_NativeImage
    • NativeVsync
    • Image
    • Rawfile
    • RDB
    • MindSpore
    • NeuralNetworkRuntime
    • AVCapability
    • AVMuxer
    • AudioDecoder
    • AudioEncoder
    • CodecBase
    • Core
    • VideoDecoder
    • VideoEncoder
    • AVDemuxer
    • AVSource
    • OHAudio
    • AVScreenCapture
    • HuksKeyApi
    • HuksParamSetApi
    • HuksTypeApi
    • Init
    • Memory
    • UsbDdk
    • Hitrace
    • Vulkan
  • Header Files
    • drawing_bitmap.h
    • drawing_brush.h
    • drawing_canvas.h
    • drawing_color.h
    • drawing_font_collection.h
    • drawing_path.h
    • drawing_pen.h
    • drawing_text_declaration.h
    • drawing_text_typography.h
    • drawing_types.h
    • external_window.h
    • image_mdk.h
    • image_mdk_common.h
    • image_pixel_map_mdk.h
    • image_pixel_map_napi.h
    • image_receiver_mdk.h
    • image_source_mdk.h
    • log.h
    • native_buffer.h
    • native_image.h
    • native_interface_xcomponent.h
    • native_xcomponent_key_event.h
    • native_vsync.h
    • raw_dir.h
    • raw_file_manager.h
    • raw_file.h
    • context.h
    • data_type.h
    • format.h
    • model.h
    • status.h
    • tensor.h
    • types.h
    • neural_network_runtime_type.h
    • neural_network_runtime.h
    • avcodec_audio_channel_layout.h
    • native_avcapability.h
    • native_avcodec_audiodecoder.h
    • native_avcodec_audioencoder.h
    • native_avcodec_base.h
    • native_avcodec_videodecoder.h
    • native_avcodec_videoencoder.h
    • native_avdemuxer.h
    • native_averrors.h
    • native_avformat.h
    • native_avmemory.h
    • native_avmuxer.h
    • native_avsource.h
    • native_audiocapturer.h
    • native_audiorenderer.h
    • native_audiostream_base.h
    • native_audiostreambuilder.h
    • native_avscreen_capture.h
    • native_avscreen_capture_base.h
    • native_avscreen_capture_errors.h
    • native_huks_api.h
    • native_huks_param.h
    • native_huks_type.h
    • oh_cursor.h
    • oh_predicates.h
    • oh_value_object.h
    • oh_values_bucket.h
    • relational_store_error_code.h
    • relational_store.h
    • syscap_ndk.h
    • purgeable_memory.h
    • usb_ddk_api.h
    • usb_ddk_types.h
    • trace.h
    • vulkan_ohos.h
  • Structs
    • OH_Drawing_BitmapFormat
    • OH_NativeBuffer_Config
    • OH_NativeXComponent_Callback
    • OH_NativeXComponent_MouseEvent
    • OH_NativeXComponent_MouseEvent_Callback
    • OH_NativeXComponent_TouchEvent
    • OH_NativeXComponent_TouchPoint
    • OHExtDataHandle
    • OHHDRMetaData
    • OHOS::Media::OhosImageComponent
    • OHOS::Media::OhosImageRect
    • OHOS::Media::OhosPixelMapInfo
    • OhosImageDecodingOps
    • OhosImageReceiverInfo
    • OhosImageRegion
    • OhosImageSize
    • OhosImageSource
    • OhosImageSourceDelayTimeList
    • OhosImageSourceInfo
    • OhosImageSourceOps
    • OhosImageSourceProperty
    • OhosImageSourceSupportedFormat
    • OhosImageSourceSupportedFormatList
    • OhosImageSourceUpdateData
    • OhosPixelMapCreateOps
    • OhosPixelMapInfos
    • RawFileDescriptor
    • Region
    • Rect
    • OH_AI_CallBackParam
    • OH_AI_ShapeInfo
    • OH_AI_TensorHandleArray
    • OH_NN_Memory
    • OH_NN_QuantParam
    • OH_NN_Tensor
    • OH_NN_UInt32Array
    • OH_AVCodecAsyncCallback
    • OH_AVCodecBufferAttr
    • OH_AVRange
    • OH_AudioCapturer_Callbacks_Struct
    • OH_AudioRenderer_Callbacks_Struct
    • OH_AudioBuffer
    • OH_AudioCaptureInfo
    • OH_AudioEncInfo
    • OH_AudioInfo
    • OH_AVScreenCaptureCallback
    • OH_AVScreenCaptureConfig
    • OH_RecorderInfo
    • OH_Rect
    • OH_VideoCaptureInfo
    • OH_VideoEncInfo
    • OH_VideoInfo
    • OH_Huks_Blob
    • OH_Huks_CertChain
    • OH_Huks_KeyInfo
    • OH_Huks_KeyMaterial25519
    • OH_Huks_KeyMaterialDh
    • OH_Huks_KeyMaterialDsa
    • OH_Huks_KeyMaterialEcc
    • OH_Huks_KeyMaterialRsa
    • OH_Huks_Param
    • OH_Huks_ParamSet
    • OH_Huks_PubKeyInfo
    • OH_Huks_Result
    • OH_Cursor
    • OH_Predicates
    • OH_Rdb_Config
    • OH_Rdb_Store
    • OH_VBucket
    • OH_VObject
    • UsbConfigDescriptor
    • UsbControlRequestSetup
    • UsbDdkConfigDescriptor
    • UsbDdkEndpointDescriptor
    • UsbDdkInterface
    • UsbDdkInterfaceDescriptor
    • UsbDeviceDescriptor
    • UsbDeviceMemMap
    • UsbEndpointDescriptor
    • UsbInterfaceDescriptor
    • UsbRequestPipe
    • VkExternalFormatOHOS
    • VkImportNativeBufferInfoOHOS
    • VkMemoryGetNativeBufferInfoOHOS
    • VkNativeBufferFormatPropertiesOHOS
    • VkNativeBufferPropertiesOHOS
    • VkNativeBufferUsageOHOS
    • VkSurfaceCreateInfoOHOS
  • Standard Libraries
    • libc
    • c++
    • Node-API
    • libuv
    • OpenSL ES
    • OpenGL ES
    • EGL
    • Zlib
    • Vulkan
    • Appendix
    • libc Symbols Not Exported
    • libc Symbols That May Fail to Call Due to Permission Control
    • EGL Symbols Exported
    • OpenGL ES 3.0 Symbols Exported
    • Vulkan Symbols Exported
• FAQs
  • Full SDK Compilation Guide
  • Guide to Switching to Full SDK
  • Using Native APIs (NDK) of the OpenHarmony SDK in a CMake Project
  • Application Model Development
  • ArkUI Framework Development (ArkTS)
  • ArkTS Syntax Usage
  • ArkUI Component Development (ArkTS)
  • ArkUI Layout Development (ArkTS)
  • ArkUI Routing/Navigation Development (ArkTS)
  • ArkUI Animation/Interaction Event Development (ArkTS)
  • ArkUI Development (JS)
  • Web Development
  • Bundle Management Development
  • Resource Manager Development
  • Common Event and Notification Development
  • Graphics Development
  • Window Management Development
  • Multimedia Development
  • Basic Security Capability Development
  • Ability Access Control Development
  • Data Management Development
  • File Management Development
  • Network Management Development
  • DFX Development
  • Pan-Sensor Development
  • Startup Development
  • Distributed Device Development
  • SDK Usage
  • Compiler and Runtime Development
  • Usage of Third- and Fourth-Party Libraries

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