Learn About OpenHarmony

• OpenHarmony Project

• Glossary

• Release Notes

  • OpenHarmony 4.x Releases
    • OpenHarmony v4.0 Release (2023-10-26)
    • OpenHarmony v4.0 Beta2 (2023-08-03)
    • OpenHarmony v4.0 Beta1 (2023-06-03)
  • OpenHarmony 3.x Releases
    • OpenHarmony v3.2 Release (2023-04-09)
      • OpenHarmony v3.2.1 Release (2023-05-22)
    • OpenHarmony v3.2 Beta5 (2023-01-30)
    • OpenHarmony v3.2 Beta4 (2022-11-30)
    • OpenHarmony v3.2 Beta3 (2022-09-30)
    • OpenHarmony v3.2 Beta2 (2022-07-30)
    • OpenHarmony v3.2 Beta1 (2022-05-31)
    • OpenHarmony v3.1 Release (2022-03-30)
      • OpenHarmony v3.1.3 Release (2022-09-30)
      • OpenHarmony v3.1.2 Release (2022-08-24)
      • OpenHarmony v3.1.1 Release (2022-05-31)
    • OpenHarmony v3.1 Beta (2021-12-31)
    • OpenHarmony v3.0 LTS (2021-09-30)
      • OpenHarmony v3.0.6 LTS (2022-09-15)
      • OpenHarmony v3.0.5 LTS (2022-07-01)
      • OpenHarmony v3.0.3 LTS (2022-04-08)
      • OpenHarmony v3.0.2 LTS (2022-03-18)
      • OpenHarmony v3.0.1 LTS (2022-01-12)
  • OpenHarmony 2.x Releases
    • OpenHarmony v2.2 beta2 (2021-08-04)
    • OpenHarmony 2.0 Canary (2021-06-01)
  • OpenHarmony 1.x Releases
    • OpenHarmony 1.0 (2020-09-10)
      • OpenHarmony v1.1.5 LTS (2022-08-24)
      • OpenHarmony v1.1.4 LTS (2022-02-11)
      • OpenHarmony v1.1.3 LTS (2021-09-30)
      • OpenHarmony v1.1.2 LTS (2021-08-04)
      • OpenHarmony v1.1.1 LTS (2021-06-22)
      • OpenHarmony v1.1.0 LTS (2021-04-01)
  • API Differences
    • OpenHarmony 4.0 Release (Compared with OpenHarmony 3.2 Release)
      • Ability
      • Accessibility
      • Account
      • AI
      • Application
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • Upload and Download
      • Driver
      • File Management
      • Location
      • Globalization
      • Graphics
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • SDK
      • Security
      • Pan-sensor
      • Startup
      • Telephony
      • Test
      • Update
      • USB
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 4.0 Release (Compared with OpenHarmony 4.0 Beta2)
      • Ability
      • Accessibility
      • Account
      • AI
      • Application
      • ArkUI
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • Upload and Download
      • Driver
      • File Management
      • Globalization
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Security
      • Telephony
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 4.0 Beta2
      • Ability
      • Account
      • AI
      • Application
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • Upload and Download
      • Driver
      • File Management
      • Location
      • Globalization
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Security
      • Pan-sensor
      • Startup
      • Telephony
      • Test
      • USB
      • Web
      • Window Manager
    • OpenHarmony 4.0 Beta1
      • Ability
      • Accessibility
      • Account
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • Distributed Data Management
      • Distributed Hardware
      • File Management
      • Globalization
      • Graphics
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Basic Security Service
      • Pan-sensor
      • Telephony
      • Test
      • Update
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 3.2 Release (Compared with OpenHarmony 3.1 Release)
      • Ability
      • Accessibility
      • Account
      • Application
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • File Management
      • Location
      • Globalization
      • Graphics
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Security
      • Pan-sensor
      • Startup
      • Telephony
      • Test
      • Update
      • USB
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 3.2 Release (Compared with OpenHarmony 3.2 Beta 5)
      • Ability
      • Account
      • Application
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • DFX
      • Distributed Data Management
      • File Management
      • Misc Software
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Security
      • Pan-sensor
      • Startup
      • Telephony
      • Test
      • Upgrade
      • USB
      • User IAM
      • Web
      • Window
    • OpenHarmony 3.2 Beta4
      • Ability
      • Accessibility
      • Account
      • Application
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • Customization
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • File Management
      • Location
      • Globalization
      • Misc Software
      • MSDP
      • Multimodal Input
      • Multimedia
      • Common Event and Notification
      • Resource Scheduler
      • Security
      • Pan-sensor
      • Startup
      • Telephony
      • Test
      • Update
      • USB
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 3.2 Beta3
      • Ability
      • Accessibility
      • Account
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • DFX
      • Distributed Data Management
      • Distributed Hardware
      • Common Event and Notification
      • File Management
      • Globalization
      • Graphics
      • Misc Software
      • Multimodal Input
      • Multimedia
      • Resource Scheduler
      • Security
      • Pan-sensor
      • DSoftBus
      • Telephony
      • Test
      • Update
      • Web
      • Window Manager
    • OpenHarmony 3.2 Beta2
      • Ability
      • Accessibility
      • Account
      • ArkUI
      • Bundle Management
      • Communication
      • Compiler and Runtime
      • DFX
      • Distributed Data Management
      • Common Event and Notification
      • File Management
      • Location
      • Globalization
      • Graphics
      • Misc
      • Multimodal Input
      • Multimedia
      • Resource Scheduler
      • Security
      • Pan-sensor
      • DSoftBus
      • Test
      • Update
      • USB
      • User IAM
      • Web
      • Window Manager
    • OpenHarmony 3.2 Beta1
      • Ability
      • ArkUI
      • Power Management
      • Bundle Management
      • Communication
      • DFX
      • Distributed Data Management
      • Common Event and Notification
      • File Management
      • Globalization
      • Startup
      • Misc
      • Multimodal Input
      • Multimedia
      • Resource Scheduler
      • Test
      • Web
      • Window Manager
    • OpenHarmony 3.1 Release
      • API Version 8
        • Ability
        • Accessibility
        • Account
        • ArkUI
        • Power Management
        • Bundle Management
        • Communication
        • Compiler and Runtime
        • DFX
        • Distributed Data Management
        • Distributed Hardware
        • Common Event and Notification
        • File Management
        • Location
        • Globalization
        • Graphics
        • Misc Software
        • Multimodal Input
        • Multimedia
        • Network Management
        • Resource Scheduler
        • Basic Security Service
        • Pan-sensor
        • Application
        • DSoftBus
        • Telephony
        • USB
        • User IAM
        • Window Manager
    • OpenHarmony 3.1 Beta
      • ArkTS API Differences
    • OpenHarmony 3.0 LTS
      • ArkTS API Differences
    • OpenHarmony v2.2 Beta2
      • ArkTS API Differences
  • API Behavior Changes
    • OpenHarmony 4.0 Release (Compared with OpenHarmony 4.0 Beta2)
      • Account Changelog
      • ArkCompiler Subsystem Changelog
      • ArkUI Changelog
      • Bluetooth Changelog
      • Bundle Manager Changelog
      • Security Changelog
      • USB Changelog
      • DFX Changelog
      • Distributed Data Management Changelog
      • File Management Changelog
      • Image Changelogs
      • Input Method Framework Changelog
      • MediaLibrary Changelog
      • Multimedia Changelog
      • Network Management Changelog
      • Application Access Control Changelog
      • Telephone Service Changelog
      • Time Changelog
      • Wi-Fi Changelog
    • OpenHarmony 4.0 Beta2 (Compared with OpenHarmony 4.0 Beta1)
      • ArkUI Subsystem Changelog
      • Bundle Manager Changelog
      • Device Management Changelog
      • Distributed Data Management Changelog
      • Ability - Widget Framework Changelog
      • Input Method Framework Service Changelog
      • Multimedia Subsystem Changelog
      • Theme Framework Subsystem - Screen Lock Management Service Changelog
      • Device Management Changelog
      • Pan-Sensor Subsystem Changelog
      • File Subsystem Changelog
    • OpenHarmony 4.0 Beta1 (Compared with OpenHarmony 3.2 Release)
      • Ability Framework Changelog
      • Multi-language Runtime Subsystem Changelog
      • ArkUI Subsystem Changelog
      • Bundle Manager Changelog
      • Common Capability Changelog
      • Globalization Subsystem Changelog
      • HUKS Changelog
      • Resource Scheduler Subsystem Changelog
      • Web Subsystem Changelog
    • OpenHarmony 3.2 Release (Compared with OpenHarmony 3.2 Beta5)
      • Ability Framework
      • ArkUI
      • Bundle Manager Subsystem
      • Input Method Framework
      • Resource Scheduler Subsystem
      • Theme Framework Subsystem - Lock Screen
      • Telephony Subsystem
      • Util Subsystem
      • Theme Framework Subsystem - Wallpaper
      • Web Subsystem
    • OpenHarmony 3.2 Beta5 (Compared with OpenHarmony 3.2 Beta4)
      • Ability
      • Account
      • ArkUI
      • Multimedia subsystem - camera
      • Common library subsystem - container
      • Distributed data management
      • File management subsystem
      • Input method framework
      • File management subsystem - MediaLibrary
      • Multimedia subsystem
      • Communication subsystem - NFC
      • Common event and notification subsystem
      • Location subsystem
        • ohos.geoLocationManager
        • ohos.geoLocation
        • system.geolocation
      • Upload and download
      • Resource scheduler subsystem
      • Security subsystem
      • Telephony subsystem
      • Time service
      • Common library subsystem - URL
      • User IAM subsystem
      • Window manager subsystem
    • OpenHarmony 3.2 Beta4 (Compared with OpenHarmony 3.2 Beta3)
      • Ability framework
      • Account subsystem
      • ArkUI subsystem
      • Multimedia subsystem - camera
      • Device manager
      • USB manager
      • Distributed scheduler subsystem
      • DSoftBus subsystem
      • Customization subsystem
      • File management subsystem
      • Location subsystem
      • Globalization subsystem
      • Input method framework
      • Multimedia subsystem
      • Multimodal input subsystem
      • Common event and nNotification subsystem
      • Power management subsystem
      • Upload and download
      • Resource manager subsystem
      • Resource scheduler subsystem
      • Telephony subsystem
      • Test subsystem
      • Theme framework
      • User IAM subsystem
      • Ability framework - WantAgent
      • Web subsystem
      • Communication subsystem - WiFi
    • OpenHarmony 3.2 Beta3 (Compared with OpenHarmony 3.2 Beta2)
      • Updates (OpenHarmony 3.2 Beta2 -> OpenHarmony 3.2 Beta3)
    • OpenHarmony 3.2 Beta2 (Compared with OpenHarmony 3.2 Beta1)
      • Updates (OpenHarmony 3.2 Beta1 -> OpenHarmony 3.2 Beta2)
      • Adaptation Guide for the Application Sandbox
    • OpenHarmony 3.1 Release (Compared with OpenHarmony 3.1 Beta)
      • Updates (OpenHarmony 3.1 Beta -> OpenHarmony 3.1 Release)
    • OpenHarmony 3.1 Beta (Compared with OpenHarmony 3.0 LTS)
      • Updates (OpenHarmony 3.0 LTS -> OpenHarmony 3.1 Beta)

• OpenHarmony Third-Party Components

  • Introduction to OpenHarmony Third-Party Components
  • Using OpenHarmony JS and TS Third-Party Components

• Contribution

  • How to Contribute
  • Code of Conduct
  • Code Contribution
  • Contribution Process
  • Auto-Test
  • Documentation Contribution
  • Writing Instructions
  • Communication in Community
  • FAQs