class GG extends StatelessWidget {
  const GG({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: (){
        FocusScopeNode scopeNode = FocusScope.of(context);
        if (!scopeNode.hasPrimaryFocus) {
          scopeNode.unfocus();
        }
      },
      child: Scaffold(
        backgroundColor: Colors.white,
        body: Center(
          // change to buildPadding hide onClick .
          child: buildPadding()),
        ),
      );
  }

  ListView buildListView() {
    return ListView(
          physics: BouncingScrollPhysics(),
          keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.onDrag,
          children: [
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
            buildPadding(),
          ],
        );
  }

  Padding buildPadding() {
    return Padding(
          padding: EdgeInsets.all(15.0),
          child: TextField(
            style: TextStyle(color: Colors.orange),
              decoration: InputDecoration(
                border: OutlineInputBorder(
                  borderSide: BorderSide(
                    color: Colors.red,//this has no effect
                  ),
                  borderRadius: BorderRadius.circular(10.0),
                ),
                hintText: "Border decoration text ...",
              ),
          ),
        );
  }
}