build method

@override Widget build(BuildContext context)

Build the widget.

Implementation

@override
Widget build(BuildContext context) => GestureDetector(
  onDoubleTap: onDoubleTap,
  onPanDown: (details) => onMove(details.localPosition),
  onPanEnd: (details) => onMove(details.localPosition),
  onPanUpdate: (details) => onMove(details.localPosition),
);