A light can expose brightness through a HomeKit characteristic or a Matter cluster. Application code should ask for brightness, not carry both platform identifiers and two sets of value rules. What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from a single Java or Kotlin codebase. Learn more at codenameone.com . PR #5554 adds com.codename1.home , a portable model for listing accessories, reading and writing traits, ...