extensions property
final
Arbitrary additions to this theme.
To define extensions, pass an Iterable containing one or more ThemeExtension
subclasses to ThemeData.new or copyWith.
To obtain an extension, use extension.
This sample shows how to create and use a subclass of
link
ThemeExtension that
defines two colors.
To create a local project with this code sample, run:
flutter create --sample=material.ThemeData.extensions.1 mysample
See also:
- extension, a convenience function for obtaining a specific extension.
Implementation
final Map<Object, ThemeExtension<dynamic>> extensions;