of static method

MaterialBannerThemeData of(
  1. BuildContext context
)

The closest instance of this class's data value that encloses the given context.

If there is no ancestor, it returns ThemeData.bannerTheme. Applications can assume that the returned value will not be null.

Typical usage is as follows:

MaterialBannerThemeData theme = MaterialBannerTheme.of(context);

Implementation

static MaterialBannerThemeData of(BuildContext context) {
  final MaterialBannerTheme? bannerTheme = context.dependOnInheritedWidgetOfExactType<MaterialBannerTheme>();
  return bannerTheme?.data ?? Theme.of(context).bannerTheme;
}