showHandles method Null safety

void showHandles()

Builds the handles by inserting them into the context's overlay.

Implementation

void showHandles() {
  if (_handles != null) {
    return;
  }

  _handles = <OverlayEntry>[
    OverlayEntry(builder: _buildStartHandle),
    OverlayEntry(builder: _buildEndHandle),
  ];

  Overlay.of(context, rootOverlay: true, debugRequiredFor: debugRequiredFor)!
    .insertAll(_handles!);
}