onContextMenu method

Widget onContextMenu(
  1. VoidCallback? onContextMenu
)

Adds a context menu gesture to any widget (e.g., iOS long-press context menu)

Implementation

Widget onContextMenu(VoidCallback? onContextMenu) {
  return GestureDetector(
    onSecondaryTapDown: (_) => onContextMenu?.call(),
    child: this,
  );
}