get position of a widget in screen flutter
extension GlobalKeyEx on GlobalKey {
Rect get globalPaintBounds {
final renderObject = currentContext?.findRenderObject();
var translation = renderObject?.getTransformTo(null)?.getTranslation();
if (translation != null && renderObject.paintBounds != null) {
return renderObject.paintBounds
.shift(Offset(translation.x, translation.y));
} else {
return null;
}
}
}