Opacity

A widget that makes its child partially transparent.

OutlinedButton

A Material Design outlined button, essentially a TextButton with an outlined border.

OverflowBox

A widget that imposes different constraints on its child than it gets from its parent, possibly allowing the child to overflow the parent.

Padding

A widget that insets its child by the given padding.

PageView

A scrollable list that works page by page.

Placeholder

A widget that draws a box that represents where other widgets will one day be added.

PopupMenuButton

Displays a menu when pressed and calls onSelected when the menu is dismissed because an item was selected.

PositionedTransition

Animated version of Positioned which takes a specific Animation to transition the child's position from a start position to and end position over the lifetime...

Radio