How can I remove a gap between my Column children?

I have a Flutter screen that is built with the code below. I expected the ListView widget and the Row widget to have no space between them. But the code produces the results shown in the screen capture instead. How do I get rid of the gap between the two widgets?

    color: const Color.fromARGB(128, 0, 0, 0),
    child: Padding(
      padding: const EdgeInsets.only(top: 56.0, right: 150.0),
      child: Column(
        children: [
            height: 40,
            color: Colors.white,
            child: Row(
              children: const [
                  padding: EdgeInsets.only(left: 16.0),
                  child: Text('Select a new grocery list:'),
                ), // Padding
            ), // Row
          ), // Container
                shrinkWrap: true,
                itemBuilder: (context, index) {
                  return Container(
                    decoration: BoxDecoration(
                      border: Border(
                        bottom: BorderSide(color: Colors.grey.shade700),
                      ), // Border
                    ), //BoxDecoration
                    child: ListTile(
                      visualDensity: VisualDensity.compact,
                      title: Text(groceryListNames[index]),
                      textColor: Constants.kDarkBlueTextColor,
                      tileColor: Colors.white,
                      onTap: () {
                        Navigator.pop(context, groceryListNames[index]);
                    ), // ListTile
                  ); // Container
                itemCount: groceryListNames.length),
      ), // Column
    ), // Padding
  ), // Material

Screen Capture

>Solution :

Add the property padding: to your ListView.builder() to remove unwanted paddings:



Use ListView.builder() as the child of MediaQuery.removePadding to remove any top padding applied by the device or system:

  context: context,
  removeTop: true,
  child: ListView.builder(),

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