import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Test',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Keyboard Input')),
      body: Center(
        child: TextField(),
      ),
    );
  }
}

flutter doctor

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel master, 1.22.0-10.0.pre.222, on Microsoft Windows [Version 10.0.18362.1082], locale en-US)

[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[√] Chrome - develop for the web
[√] Android Studio (version 4.0)
[√] IntelliJ IDEA Community Edition (version 2019.3)
[√] VS Code (version 1.49.0)
[√] Connected device (3 available)
• No issues found!