https://stackoverflow.com/questions/78395422/expansion-tile-overflow

main.dart

import 'package:flutter/material.dart';
// import 'package:flutter/cupertino.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Address(),
    );
  }
}

class Address extends StatefulWidget {
  const Address({super.key});

  @override
  State<Address> createState() => _AddressState();
}

class _AddressState extends State<Address> {
  FocusNode addressText = FocusNode();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
          centerTitle: true,
          title: Container(
            width: 200,
            child: PreferredSize(
              preferredSize: Size.fromHeight(10.0),
              child: Row(
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  Expanded(
                    child: LinearProgressIndicator(
                      value: 1, // Value for first step
                      backgroundColor: Color(0xD9D9D9D9),
                      valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
                    ),
                  ),
                  SizedBox(width: 7.0),
                  Expanded(
                    child: LinearProgressIndicator(
                      value: 1, // Value for second step
                      backgroundColor: Color(0xD9D9D9D9),
                      valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
                    ),
                  ),
                  SizedBox(width: 7.0),
                  Expanded(
                    child: LinearProgressIndicator(
                      value: 0.15, // Value for third step
                      backgroundColor: Color(0xD9D9D9D9),
                      valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
                    ),
                  ),
                ],
              ),
            ),
          )),
      body: Container(
        // padding: EdgeInsets.symmetric(horizontal: 24.0,vertical: 12.0),
        padding: EdgeInsets.all(30.0),
        width: MediaQuery.of(context).size.width,
        height: MediaQuery.of(context).size.height -
            1 / 9 * (MediaQuery.of(context).size.height),
        // height: MediaQuery.of(context).size.height,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              "Enter your address",
              style: TextStyle(fontSize: 22, fontFamily: "GraphikMedium"),
            ),
            SizedBox(
              height: 12,
            ),
            Text(
              "Enter the street address of your primary residence. Please do not use a PO box or business address",
              style: TextStyle(color: Colors.grey, fontSize: 16),
            ),
            SizedBox(
              height: 24,
            ),
            Text(
              "Search for Address",
              style: TextStyle(
                  fontSize: 16.0,
                  fontFamily: "GraphikMedium",
                  color: addressText.hasFocus ? Colors.blue : Colors.black),
            ),
            SizedBox(
              height: 8.0,
            ),
            Focus(
              onFocusChange: (focus) {
                setState(() {});
              },
              child: TextFormField(
                focusNode: addressText,
                decoration: InputDecoration(
                    enabledBorder: OutlineInputBorder(
                      borderSide: BorderSide(color: Colors.grey),
                    ),
                    focusedBorder: OutlineInputBorder(
                        borderSide: BorderSide(color: Colors.blue)),
                    hintText: "Enter your address",
                    hintStyle: TextStyle(color: Colors.grey)),
              ),
            ),
            SizedBox(
              height: 40,
            ),
            Expanded(
                child: SingleChildScrollView(
              child: Theme(
                data: Theme.of(context)
                    .copyWith(dividerColor: Colors.transparent),
                child: ListTileTheme(
                  contentPadding: EdgeInsets.all(0),
                  dense: true,
                  child: ExpansionTile(
                    title: Text(
                      "Enter Address Manually",
                      style: TextStyle(
                          fontFamily: "GraphikRegular", fontSize: 16.0),
                    ),
                    onExpansionChanged: (bool val) {
                      setState(() {});
                    },
                    children: [
                      Container(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            SizedBox(
                              height: 8.0,
                            ),
                            Text(
                              "Address line 1",
                              style: TextStyle(
                                  fontFamily: "GraphikRegular", fontSize: 16.0),
                            ),
                            TextFormField(
                              decoration: InputDecoration(
                                  enabledBorder: OutlineInputBorder(
                                      borderSide:
                                          BorderSide(color: Colors.grey)),
                                  focusedBorder: OutlineInputBorder(
                                    borderSide: BorderSide(color: Colors.blue),
                                  )),
                            ),
                            SizedBox(
                              height: 8.0,
                            ),
                            Text(
                              "Address line 2 (optional)",
                              style: TextStyle(
                                  fontFamily: "GraphikRegular", fontSize: 16.0),
                            ),
                            TextFormField(
                              decoration: InputDecoration(
                                  enabledBorder: OutlineInputBorder(
                                      borderSide:
                                          BorderSide(color: Colors.grey)),
                                  focusedBorder: OutlineInputBorder(
                                    borderSide: BorderSide(color: Colors.blue),
                                  )),
                            ),
                            SizedBox(
                              height: 8.0,
                            ),
                            Text(
                              "City",
                              style: TextStyle(
                                  fontFamily: "GraphikRegular", fontSize: 16.0),
                            ),
                            TextFormField(
                              decoration: InputDecoration(
                                  enabledBorder: OutlineInputBorder(
                                      borderSide:
                                          BorderSide(color: Colors.grey)),
                                  focusedBorder: OutlineInputBorder(
                                    borderSide: BorderSide(color: Colors.blue),
                                  )),
                            ),
                            SizedBox(
                              height: 8.0,
                            ),
                            Text(
                              "City",
                              style: TextStyle(
                                  fontFamily: "GraphikRegular", fontSize: 16.0),
                            ),
                            TextFormField(
                              decoration: InputDecoration(
                                  enabledBorder: OutlineInputBorder(
                                      borderSide:
                                          BorderSide(color: Colors.grey)),
                                  focusedBorder: OutlineInputBorder(
                                    borderSide: BorderSide(color: Colors.blue),
                                  )),
                            ),
                          ],
                        ),
                      )
                    ],
                  ),
                ),
              ),
            )),
            Container(
              width: MediaQuery.of(context).size.width,
              child: ElevatedButton(
                onPressed: () {
                  Navigator.pushNamed(context, '/user-purpose');
                },
                child: Text(
                  "Continue",
                  style: TextStyle(
                    fontSize: 14.0,
                    fontWeight: FontWeight.normal,
                    color: Colors.white,
                    fontFamily: "GraphikMedium",
                  ),
                ),
                style: ButtonStyle(
                    shape: MaterialStateProperty.all<RoundedRectangleBorder>(
                        RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(5.0))),
                    minimumSize:
                        MaterialStateProperty.all(Size.fromHeight(60.0)),
                    backgroundColor: MaterialStateProperty.all(Colors.blue),
                    shadowColor: MaterialStateProperty.all(Colors.transparent)),
              ),
            )
          ],
        ),
      ),
    );
  }
}