registerOnDoubleTouch method

void registerOnDoubleTouch(
  1. TouchCallback? doubleTouchCallback
)

Single pointer double touch event.

A double touch event is defined as two consecutive touches within a preset time duration in milliseconds, and distance between the two touches has to be less than a preset distance in millimeters.

Parameters

  • IN pos is the position where the event occurred

Implementation

void registerOnDoubleTouch(final TouchCallback? doubleTouchCallback) {
  _touchDoubleCallback = doubleTouchCallback;

  GemKitPlatform.instance.filterEvent(
    pointerId,
    'onDoubleTouch',
    doubleTouchCallback == null,
  );
}