step 3 : login proses

lib/app/route.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+
+import '../screen/home/home_screen.dart';
+import '../screen/login/login_screen.dart';
+import '../screen/splash/splash_screen.dart';
+
+const splashRoute = "/splashRoute";
+const loginRoute = "/loginRoute";
+const homeRoute = "/homeRoute";
+const scanRoute = "/scanRoute";
+const editScanRoute = "/editScanRoute";
+
+class AppRoute {
+  static Route<dynamic> generateRoute(RouteSettings settings) {
+    // splash screen
+    if (settings.name == splashRoute) {
+      return MaterialPageRoute(builder: (context) {
+        return MediaQuery(
+          data: MediaQuery.of(context).copyWith(
+              textScaler: TextScaler.linear(1.0), padding: EdgeInsets.all(0)),
+          child: SplashScreen(),
+        );
+      });
+    }
+
+    // login screen
+    if (settings.name == loginRoute) {
+      return MaterialPageRoute(builder: (context) {
+        return MediaQuery(
+          data: MediaQuery.of(context).copyWith(
+              textScaler: TextScaler.linear(1.0), padding: EdgeInsets.all(0)),
+          child: LoginScreen(),
+        );
+      });
+    }
+
+    // home screen
+    if (settings.name == homeRoute) {
+      return MaterialPageRoute(builder: (context) {
+        return MediaQuery(
+          data: MediaQuery.of(context).copyWith(
+              textScaler: TextScaler.linear(1.0), padding: EdgeInsets.all(0)),
+          child: HomeScreen(),
+        );
+      });
+    }
+
+    return MaterialPageRoute(builder: (context) {
+      return MediaQuery(
+        data: MediaQuery.of(context).copyWith(
+            padding: const EdgeInsets.all(0),
+            textScaler: TextScaler.linear(1.0)),
+        child: SplashScreen(),
+      );
+    });
+  }
+}