How to prevent ripple effect on surrounding InkWell when tapped on InkWell inside

If you want a quick hack, check it out:

  width: 180,
  height: 120,
  child: Stack(
    children: <Widget>[
        child: InkWell(
          onTap: () {},
        child: RaisedButton(
          child: Text('Test'),
          onPressed: () {},

enter image description here

try this out I used hack with wrapping in InkWell the widget you want to surround with parent InkWell