registerCustomMainButtonBuilder method
void
registerCustomMainButtonBuilder({})
Registers a builder that will be used when showing a matching variant value. The builder
function takes in a String to display as the title and a Function
to be used to the
onTap callback
Implementation
void registerCustomMainButtonBuilder({
@required dynamic variant,
@required Widget Function(String?, Function?)? builder,
}) =>
_mainButtonBuilder[variant] = builder;