mediaquerySizeHandler.dart

Future<Size> mediaQuerySizeByCodingPapa(BuildContext context) async{
  Size size = MediaQuery.of(context).size;
  if(size.width > 0){
    return size;
  }else{
    await Future.delayed(Duration(milliseconds: 100));
    return await mediaQuerySizeByCodingPapa(context);
  }
}