Expanded

A widget that expands a child of a Row, Column, or Flex.

ExpansionPanel

Expansion panels contain creation flows and allow lightweight editing of an element. The ExpansionPanel widget implements this component.

FadeTransition

Animates the opacity of a widget.

FittedBox

Scales and positions its child within itself according to fit.

FloatingActionButton

A floating action button is a circular icon button that hovers over content to promote a primary action in the application. Floating action buttons are...

Flow

A widget that implements the flow layout algorithm.

FlutterLogo

The Flutter logo, in widget form. This widget respects the IconTheme.

Form

An optional container for grouping together multiple form field widgets (e.g. TextField widgets).

FormField