get UUID
Gets the unique device identifier for this Android device.
This UUID is generated based on device hardware characteristics and is used for authentication and device identification purposes. The same device will always return the same UUID across app sessions.
Use Cases:
Device identification for authentication
Analytics and usage tracking
Device-specific configuration
Privacy Note: This identifier is device-specific, not user-specific, and does not contain personally identifiable information.
Return
A unique identifier string for this device