FadeRoute

utils.dart

class FadeRoute<T> extends MaterialPageRoute<T> {
	final bool fadeInitialRoute;

	FadeRoute({ builder, settings, maintainState, fullscreenDialog, this.fadeInitialRoute = true})
		: super(builder: builder, settings: settings, maintainState: maintainState, fullscreenDialog: fullscreenDialog);

	@override
	bool get opaque => false;

	@override
	Widget buildTransitions(_, Animation<double> animation, __, Widget child) {
		if (settings.isInitialRoute && !fadeInitialRoute) {
			return child;
		}
		return new FadeTransition(opacity: animation, child: child);
	}
}