TabBarIndicatorSize enum Null safety

Defines how the bounds of the selected tab indicator are computed.

See also:

  • TabBar, which displays a row of tabs.
  • TabBarView, which displays a widget for the currently selected tab.
  • TabBar.indicator, which defines the appearance of the selected tab indicator relative to the tab's bounds.


label → const TabBarIndicatorSize

The tab's bounds are only as wide as the (centered) tab widget itself.

This value is used to align the tab's label, typically a Tab widget's text or icon, with the selected tab indicator.

const TabBarIndicatorSize(1)
tab → const TabBarIndicatorSize

The tab indicator's bounds are as wide as the space occupied by the tab in the tab bar: from the right edge of the previous tab to the left edge of the next tab.

const TabBarIndicatorSize(0)
values → const List<TabBarIndicatorSize>

A constant List of the values in this enum, in order of their declaration.

const List<TabBarIndicatorSize>


hashCode int
The hash code for this object. [...]
read-only, inherited
index int

The integer index of this enum.

runtimeType Type
A representation of the runtime type of the object.
read-only, inherited


noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toString() String
A string representation of this object. [...]


operator ==(Object other) bool
The equality operator. [...]