What is layout builder in Flutter?

In Flutter, LayoutBuilder Widget is similar to the Builder widget except that the framework calls the builder function at layout time and provides the parent widget’s constraints . This is useful when the parent constrains the child’s size and doesn’t depend on the child’s intrinsic size.

Layout a list of child widgets in the horizontal direction . Stack. This class is useful if you want to overlap several children in a simple way, for example having some text and an image, overlaid with… Table. A widget that uses the table layout algorithm for its children.

Align Widget in Flutter