title: Unable to keep other widgets fixed and Listview.builder scroll in flutter
body: <p>I want to keep the container above my list view builder fixed and the list view to scroll. but when I implement the following code it shows renderflex overflow issue.</p>
  <p>Code:</p>
  <pre><code>List&lt;String&gt; companynames = [
      'Delloite',
      'Google',
      'Amazon',
      'Apple',
      'Tata',
      'Wipro',
      'Tesla',
      'Cupid',
      'Pfizer',
      'Mango',
      'Reliance',
      'Titan',
      'Toyota',
      'Maruti',
      'Volkswagen',
      'Suzuki'
    ];
  Widget build(BuildContext context) {
      // TODO: implement build
      return Scaffold(
        body: Column(
          //mainAxisSize: MainAxisSize.max,
          children: [
            Stack(
              children: &lt;Widget&gt;[
                Container(
                  color: kbluePrimaryColor,
                  height: MediaQuery.of(context).size.height * 0.2,
                ),
                Expanded(
                  child: Padding(
                    padding: EdgeInsets.only(
                      left: 20.0,
                      right: 20.0,
                      top: MediaQuery.of(context).size.height * 0.12,
                    ),
                    child: ListView.builder(
                        scrollDirection: Axis.vertical,
                        shrinkWrap: true,
                        //physics: NeverScrollableScrollPhysics(),
                        itemCount: companynames.length,
                        itemBuilder: (context, index) {
                          return Card(
                            color: Colors.white,
                            shape: RoundedRectangleBorder(
                                borderRadius:
                                    BorderRadius.all(Radius.circular(15))),
                            child: Padding(
                              padding: const EdgeInsets.all(8.0),
                              child: Text(
                                companynames[index],
                                style: TextStyle(
                                  color: kblackPrimaryColor,
                                  fontSize:
                                      MediaQuery.of(context).size.width * 0.06,
                                  fontWeight: FontWeight.bold,
                                ),
                              ),
                            ),
                          );
                        }),
                  ),
                )
              ],
            ),
          ],
        ),
      );
    }
  </code></pre>
  <p>I want the blue container to be fixed and the list view's first item to be half overlapping the blue container and scrollable. Can someone please tell how to do this please?</p>