MainAxisAlignment is a property of Column widget . It is used to arrange children widgets into vertically format according to given axis. Today we would use the Column widget and make children widget into single column format in flutter.
Read moreWhat is flutter layout?
Since the core concept of Flutter is Everything is widget, Flutter incorporates a user interface layout functionality into the widgets itself . Flutter provides quite a lot of specially designed widgets like Container, Center, Align, etc., only for the purpose of laying out the user interface.
Read moreWhat are different types of layout widgets in Flutter?
Types of Layout Widgets
Read more