onTertiaryTapUp property Null safety

GestureTapUpCallback? onTertiaryTapUp
final

A pointer that will trigger a tap with a tertiary button has stopped contacting the screen at a particular location.

This triggers in the case of the tap gesture winning. If the tap gesture did not win, onTertiaryTapCancel is called instead.

See also:

Implementation

final GestureTapUpCallback? onTertiaryTapUp;