Untitled

import 'package:flutter/material.dart';


class LoginScreen extends StatefulWidget {
  static const routeName = "/loginScreen";
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<LoginScreen> {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Tabs Example'),
      ),
      body: Container(
        child: Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: <Widget>[
          SizedBox(height: 20.0),
          Text('Tabs Inside Body', textAlign: TextAlign.center, style: TextStyle(fontSize: 22)),
          Expanded(
            child: DefaultTabController(
                length: 4, // length of tabs
                initialIndex: 0,
                child: Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: <Widget>[
                  Container(
                    child: TabBar(
                      labelColor: Colors.green,
                      unselectedLabelColor: Colors.black,
                      tabs: [
                        Tab(text: 'Tab 1'),
                        Tab(text: 'Tab 2'),
                        Tab(text: 'Tab 3'),
                        Tab(text: 'Tab 4'),
                      ],
                    ),
                  ),
                  Expanded(
                    child: Container(
                        height: 400, //height of TabBarView
                        decoration: BoxDecoration(
                            border: Border(top: BorderSide(color: Colors.grey, width: 0.5))
                        ),
                        child: TabBarView(children: <Widget>[
                          ListView.separated(
                            separatorBuilder: (context, index) => SizedBox(
                              height: 500,
                            ),
                            shrinkWrap: true,
                            itemCount: 10,
                            itemBuilder: (context, index) => Text("sdfsdfhgmpsm"),
                          ),
                          Container(
                            child: Center(
                              child: Text('Display Tab 2', style: TextStyle(fontSize: 22, fontWeight: FontWeight.bold)),
                            ),
                          ),
                          Container(
                            child: Center(
                              child: Text('Display Tab 3', style: TextStyle(fontSize: 22, fontWeight: FontWeight.bold)),
                            ),
                          ),
                          Container(
                            child: Center(
                              child: Text('Display Tab 4', style: TextStyle(fontSize: 22, fontWeight: FontWeight.bold)),
                            ),
                          ),
                        ])
                    ),
                  )
                ])
            ),
          ),
        ]),
      ),
    );
  }
}