color property Null safety
final
A color that the window manager should use to identify this app. Must be an opaque color (i.e. color.alpha must be 255 (0xFF)), and must not be null.
Implementation
final Color color;
A color that the window manager should use to identify this app. Must be an opaque color (i.e. color.alpha must be 255 (0xFF)), and must not be null.
final Color color;