configuração inicial Flutter

lib/screens/home_screen.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class HomeScreen extends StatefulWidget {
+  const HomeScreen({Key? key}) : super(key: key);
+
+  @override
+  State<HomeScreen> createState() => _HomeScreenState();
+}
+
+class _HomeScreenState extends State<HomeScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        child: Center(
+            child: Text('home')
+        ),
+      ),
+    );
+  }
+}

lib/screens/login_screen.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:rkm/widgets/button_default.dart';
+
+class LoginScreen extends StatefulWidget {
+  const LoginScreen({Key? key}) : super(key: key);
+
+  @override
+  State<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends State<LoginScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        child: Center(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Text('Login'),
+                ButtonDefault(
+                  onPressed: ()=>Navigator.pushNamed(context, '/home'),
+                  title: 'Entrar'
+                )
+              ],
+            )
+        ),
+      ),
+    );
+  }
+}