How to save Mediaquery Size in a separate file in flutter?

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I want to save every button and container size as mediaquery as follow in a separate dart file.

class FrameSize{
  var SliderHeight = MediaQuery.of(context).size.height / 6;
  var addToCartButtonHeight = MediaQuery.of(context).size.height / 14;

}

So I can call them wherever I want and change at a one place. Is that possible??



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