Learn About OpenHarmony

• OpenHarmony Project

• Glossary

• Release Notes

  • OpenHarmony Version Definitions

  • OpenHarmony 3.x Releases

    • OpenHarmony v3.2 Release (2023-04-09)
    • OpenHarmony v3.2 Beta5 (2023-01-31)
    • 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) and the latest patch version OpenHarmony 3.1.4 Release (2022-11-03)
      • OpenHarmony v3.1 Release (2022-03-30)
      • OpenHarmony 3.1.4 Release (2022-11-03)
      • 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) and the latest patch version OpenHarmony v3.0.7 LTS (2022-12-05)
      • OpenHarmony v3.0 LTS (2021-09-30)
      • OpenHarmony v3.0.7 LTS (2022-12-05)
      • 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 3.2 Release (Compared with 3.1 Release)
      • JS API Differences
        • Ability framework
        • Accessibility subsystem
        • Account subsystem
        • Application subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • Customization subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Distributed hardware subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Graphic subsystem
        • Misc services subsystem
        • MSDP subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Common event and notification subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • Startup subsystem
        • Telephony subsystem
        • Test subsystem
        • Update subsystem
        • USB subsystem
        • User IAM subsystem
        • Web subsystem
        • Window manager subsystem
    • OpenHarmony 3.2 Release (Compared with 3.2 Beta5)
      • JS API Differences
        • Ability framework
        • Account subsystem
        • Application subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • File management subsystem
        • Misc services subsystem
        • Multimedia subsystem
        • Common event and notification subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • Startup subsystem
        • Telephony subsystem
        • Test subsystem
        • Update subsystem
        • USB subsystem
        • User IAM subsystem
        • Web subsystem
        • Window manager subsystem
      • Changelogs
        • Ability framework
        • ArkUI development framework
        • Bundle management framework
        • Input Method Framework
        • Resource scheduler subsystem
        • Theme framework subsystem-screenlock
        • Telephony subsystem
        • util subsystem
        • Theme framework subsystem-wallpaper
        • Web component
    • OpenHarmony 3.2 Beta5
      • JS API Differences
        • Ability framework
        • Account subsystem
        • Application subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • Distributed data management subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Misc services subsystem
        • Multimedia subsystem
        • Common event and notification subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Startup subsystem
        • Telephony subsystem
        • Test subsystem
        • User IAM subsystem
        • Web subsystem
        • Window manager subsystem
      • Changelogs
        • Ability framework
        • Account subsystem
        • ArkUI development framework
        • Multimedia subsystem-camera
        • util subsystem-container
        • Distributed data management subsystem
        • 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
        • Uploading and downloading
        • Resource scheduler subsystem
        • Security subsystem
        • Telephony subsystem
        • Time service
        • util subsystem-URL
        • User IAM subsystem
        • Window manager subsystem
    • OpenHarmony 3.2 Beta4
      • JS API Differences
        • Ability framework
        • Accessibility subsystem
        • Account subsystem
        • Application subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • Customization subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Distributed hardware subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Misc services subsystem
        • MSDP subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Common event and notification subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • Startup subsystem
        • Telephony subsystem
        • Test subsystem
        • Update subsystem
        • USB subsystem
        • User IAM subsystem
        • Web subsystem
        • Window manager subsystem
      • Changelogs
        • Ability framework
        • Account subsystem
        • ArkUI development framework
        • Multimedia subsystem-camera
        • Device management subsystem
        • USB subsystem
        • Distributed scheduler
        • DSoftBus
        • Customization subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Input Method Framework
        • Multimedia subsystem
        • Multimodal input subsystem
        • Common event and notification subsystem
        • Power management subsystem
        • Uploading and downloading
        • Resource manager
        • Resource scheduler subsystem
        • Telephony subsystem
        • Test subsystem
        • Theme
        • User IAM subsystem
        • Ability framework-WantAgent
        • Web subsystem
        • Communication subsystem-WiFf
    • OpenHarmony 3.2 Beta3
      • JS API Differences
        • Ability framework
        • Accessibility subsystem
        • Account subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Distributed hardware subsystem
        • Common event and notification subsystem
        • File management subsystem
        • Globalization subsystem
        • Graphics subsystem
        • Misc services subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • DSoftBus subsystem
        • Telephony subsystem
        • Test subsystem
        • Update subsystem
        • Web subsystem
        • Window manager subsystem
      • Updates (OpenHarmony 3.2 Beta2 -> OpenHarmony 3.2 Beta3)
    • OpenHarmony 3.2 Beta2
      • JS API Differences
        • Ability framework
        • Accessibility subsystem
        • Account subsystem
        • ArkUI development framework
        • Bundle management framework
        • Communication subsystem
        • Compiler and runtime subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Common event and notification subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Graphics subsystem
        • Misc services subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Resource scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • DSoftBus subsystem
        • Test subsystem
        • Update subsystem
        • USB subsystem
        • User IAM subsystem
        • Web subsystem
        • Window manager subsystem
      • Changelog
        • Updates (OpenHarmony 3.2 Beta1 -> OpenHarmony 3.2 Beta2)
        • Adaptation Guide for the Application Sandbox
    • OpenHarmony 3.2 Beta1
      • JS API Differences
        • Ability framework
        • ArkUI development framework
        • Power management subsystem
        • Bundle management framework
        • Communication subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Common event and notification subsystem
        • File management subsystem
        • Globalization subsystem
        • Startup subsystem
        • Misc services subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Distributed scheduler subsystem
        • Test subsystem
        • Web subsystem
        • Window manager subsystem
      • Native API Differences
    • OpenHarmony 3.1 Release
      • JS API Differences (API Version 8)
        • Ability framework
        • Accessibility subsystem
        • Account subsystem
        • ArkUI development framework
        • Power management subsystem
        • Bundle management subsystem
        • Communication subsystem
        • Compiler and Runtime subsystem
        • DFX subsystem
        • Distributed data management subsystem
        • Distributed hardware subsystem
        • Common event and notification subsystem
        • File management subsystem
        • Location subsystem
        • Globalization subsystem
        • Graphics subsystem
        • Misc services subsystem
        • Multimodal input subsystem
        • Multimedia subsystem
        • Network management subsystem
        • Distributed scheduler subsystem
        • Security subsystem
        • Pan-sensor subsystem
        • Application framework subsystem
        • DSoftBus subsystem
        • Telephony subsystem
        • USB subsystem
        • User IAM subsystem
        • Window manager subsystem
      • Native API Differences
      • Updates (OpenHarmony 3.1 Beta -> OpenHarmony 3.1 Release)
    • OpenHarmony 3.1 Beta
      • JS API Differences
      • Native API Differences
      • Updates (OpenHarmony 3.0 -> OpenHarmony 3.1 Beta)
    • OpenHarmony 3.0 LTS
      • JS API Differences
    • OpenHarmony v2.2 Beta2
      • JS API Differences
      • Native API Differences

• OpenHarmony Third-Party Components

  • 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