onDoubleTapDown property
final
A pointer that might cause a double tap has contacted the screen at a particular location.
Triggered immediately after the down event of the second tap.
If the user completes the double tap and the gesture wins, onDoubleTap will be called after this callback. Otherwise, onDoubleTapCancel will be called after this callback.
See also:
- kPrimaryButton, the button this callback responds to.
Implementation
final GestureTapDownCallback? onDoubleTapDown;