Bottomsheet and Change Theme

main.dart

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

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return GetMaterialApp(
      title: "Dialog",
      home: Scaffold(
        appBar: AppBar(title: Text("Bottom Sheet")),
        body: Center(
            child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            RaisedButton(
              child: Text("Bottom Sheet"),
              onPressed: () {
                Get.bottomSheet(
                  Container(
                    child: Wrap(
                      children: <Widget>[
                        ListTile(
                            leading: Icon(Icons.wb_sunny_outlined),
                            title: Text('Light Theme'),
                            onTap: () => {Get.changeTheme(ThemeData.light())}),
                        ListTile(
                          leading: Icon(Icons.wb_sunny),
                          title: Text('Dark Theme'),
                          onTap: () => {Get.changeTheme(ThemeData.dark())},
                        ),
                      ],
                    ),
                  ),
                  backgroundColor: Colors.purpleAccent,
                  isDismissible: true,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(10.0),
                    side: BorderSide(
                        color: Colors.white,
                        style: BorderStyle.solid,
                        width: 2.0),
                  ),
                  barrierColor: Colors.greenAccent.shade100,
                  elevation: 10,
                  enableDrag: true,

                


                );
              },
            ),
          ],
        )),
      ),
    );
  }
}