UnderlineTabIndicator

Properties

• border_radius(BorderRadiusValue | None) –

  The radius of the indicator's corners.

• border_side(BorderSide) –

  The color and weight of the horizontal line drawn below the selected tab.

• insets(PaddingValue) –

  Locates the selected tab's underline relative to the tab's boundary.

Properties

border_radius class-attribute instance-attribute

border_radius: BorderRadiusValue | None = None

The radius of the indicator's corners.

If this value is not None, a rounded rectangular tab indicator is drawn, otherwise rectangular tab indicator is drawn.

border_side class-attribute instance-attribute

border_side: BorderSide = field(
    default_factory=lambda: BorderSide(
        width=2.0, color=WHITE
    )
)

The color and weight of the horizontal line drawn below the selected tab.

insets class-attribute instance-attribute

insets: PaddingValue = field(default_factory=lambda: zero())

Locates the selected tab's underline relative to the tab's boundary.

The TabBar.indicator_size property can be used to define the tab indicator's bounds in terms of its (centered) tab control with TabBarIndicatorSize.LABEL, or the entire tab with TabBarIndicatorSize.TAB.