registerOnMove method

void registerOnMove(
  1. MoveCallback? moveCallback
)

Registers a callback for single-pointer move gestures.

A move event is emitted for drag gestures formed by pointer down → move → pointer up.

Parameters

  • moveCallback: (MoveCallback?) Receives the start and end positions. Pass null to cancel registration.

Implementation

void registerOnMove(final MoveCallback? moveCallback) {
  _moveCallback = moveCallback;

  GemKitPlatform.instance.filterEvent(
    pointerId,
    'onMove',
    moveCallback == null,
  );
}