registerOnTouchMove method

void registerOnTouchMove(
  1. MoveCallback? touchMoveCallback
)

Registers a callback for touch-move gestures after tap-and-hold.

Touch-move mode is triggered by a tap immediately followed by another pointer down in the same area, then a move.

Parameters

  • touchMoveCallback: (MoveCallback?) Receives the drag start and end positions. Pass null to stop listening.

Implementation

void registerOnTouchMove(final MoveCallback? touchMoveCallback) {
  _touchMoveCallback = touchMoveCallback;

  GemKitPlatform.instance.filterEvent(
    pointerId,
    'onTouchMove',
    touchMoveCallback == null,
  );
}