BuildContextExtension extension

An extension for BuildContext.

on

• BuildContext

Methods

findDescendantElementBFS<T extends Object>(T? checker(Element element)) → T?

Visits descendant child element and find the only non-null object using given checker and BFS algorithm. This method returns null if nothing found.

findDescendantElementDFS<T extends Object>(T? checker(Element element)) → T?

Visits descendant child element and find the only non-null object using given checker and DFS algorithm. This method returns null if nothing found.

findDescendantElementsBFS<T extends Object>(int count, T? checker(Element element)) → List<T>

Visits descendant child element and finds some non-null objects using given checker and BFS algorithm. Note that this method will return all found objects if given non-positive count.

findDescendantElementsDFS<T extends Object>(int count, T? checker(Element element)) → List<T>

Visits descendant child element and finds some non-null objects using given checker and DFS algorithm. Note that this method will return all found objects if given non-positive count.

findRenderBox() → RenderBox?

Finds the current RenderBox which inherits from RenderObject for the widget.

toElement() → Element?

Casts the BuildContext to Element.