trackOutlineWidth property

WidgetStateProperty<double?>? trackOutlineWidth
final

The outline width of this CupertinoSwitch's track.

Resolved in the following states:

This example resolves the trackOutlineWidth based on the current WidgetState of the CupertinoSwitch, providing a different outline width when it is WidgetState.disabled.
link 
CupertinoSwitch(
  value: true,
  onChanged: (bool value) { },
  trackOutlineWidth: WidgetStateProperty.resolveWith<double?>((Set<WidgetState> states) {
    if (states.contains(WidgetState.disabled)) {
      return 5.0;
    }
    return null; // Use the default width.
  }),
)

Since a CupertinoSwitch has no track outline by default, this parameter is set only if trackOutlineColor is provided.

Defaults to 2.0 if a trackOutlineColor is provided.

Implementation

final WidgetStateProperty<double?>? trackOutlineWidth;