Core File Kit

• About This Kit
• Application Files
  • Application File Overview
  • Application Sandbox
  • Application File Access and Management
    • Accessing Application Files (ArkTS)
    • Accessing Application Files (C/C++)
    • Obtaining Application and File System Space Statistics
  • Pushing Files to an Application Sandbox Directory (for System Applications Only)
  • Sharing an Application File
  • Configuring the Application Shared Directory
  • Application Data Backup and Restore
    • Application Data Backup and Restore Overview
    • Accessing Backup and Restore
    • Triggering Backup and Restore (for System Applications Only)
• User Files
  • User File Overview
  • User File URI
  • FileUri Development (C/C++)
  • Obtaining the User Directory Environment (C/C++)
  • Selecting and Saving User Files
    • Selecting User Files
    • Saving User Files
    • Persisting Temporary Permissions (ArkTS)
    • Persisting Temporary Permissions (C/C++)
  • Obtaining and Accessing a User Directory
  • Developing a File Manager 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
  • Sharing and Accessing Files Across Devices
  • Copying Files Across Devices