Release Notes

Version 4.2.1

Released on March 1, 2025
Fixed issue that caused querying IDeviceCompat/supportedReferences to crash for some device types (see Kotlin or Java).
Fixed errors in color conversion functions in ColorUtils.
- CIEXYZ to CIELUV (see Kotlin or Java)
- CIELUV to CIEXYZ (see Kotlin or Java)

Released on February 21, 2025
Nix Universal SDK functions must now be enabled with a license key using LicenseManager (see Kotlin or Java). For further details, refer to Activating the SDK License.
Existing enum types have added cases related to LicenseManager errors. Refer to the API documentation linked below for additional details.
- CommandStatus/ERROR_LICENSE (see Kotlin or Java)
- DeviceScannerState/ERROR_LICENSE (see Kotlin or Java)
- DeviceStatus/ERROR_LICENSE (see Kotlin or Java)
ISpectralData.toDensityData() now returns an optional data type (see Kotlin or Java).
- The result is null when LicenseFeature/DENSITY_DATA is not provided by the active license.
The dependency on usb-serial-for-android has been changed from 'required' to 'optional'
- This dependency is used provide support for devices directly attached via USB. It can be safely omitted if USB support is not required.
- To enable USB device support, include this dependency in your application's build.gradle file. Refer to Add dependencies for USB support for further details.

Released on July 31, 2023
Added support for Nix Spectro L devices
Added IDeviceCompat/fieldCalibrationMaxDelta
- Allows override of the maximum Delta E threshold used when performing in-field calibration
- Review the API reference (Kotlin or Java getter and setter) for additional details
Updated field calibration routine for Nix Spectro 2 devices
- API calls to IDeviceCompat/runFieldCalibration function are unchanged
- Additional diagnostics are performed during the white tile scan on Spectro 2 type devices. As a result, the calibration command can now take 5 - 10 seconds to complete
- The operation can now fail with status CommandStatus/ERROR_SCAN_DELTA if the tile measurement delta exceeds the allowable threshold
Added IDeviceCompat/invalidateFieldCalibration function
- This function forces the field calibration record to expire on QC and Spectro 2 type devices.
- Review the API reference (Kotlin or Java) for additional details

Released on February 13, 2023
Added ISO Density calculations and supporting classes
- Density data can be obtained from measurements as IDensityData
- The Handling Measurement Data article has been updated to reflect its usage