Added web fix for platform call and static analysis fixes

example/lib/dark_customization.dart

@@ -1,4 +1,3 @@
-
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:stripe_native_card_field/card_details.dart';
@@ -19,7 +18,8 @@ class MyApp extends StatelessWidget {
       title: 'Native Stripe Field Demo',
       theme: ThemeData(
         brightness: Brightness.dark,
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple, brightness: Brightness.dark),
+        colorScheme: ColorScheme.fromSeed(
+            seedColor: Colors.deepPurple, brightness: Brightness.dark),
         useMaterial3: true,
       ),
       home: const MyHomePage(title: 'Flutter Demo Home Page'),
@@ -66,9 +66,10 @@ class _MyHomePageState extends State<MyHomePage> {
                   print(details);
                 }
               },
-              textStyle: TextStyle(fontFamily: 'Lato', color: Colors.tealAccent),
-              hintTextStyle: TextStyle(fontFamily: 'Lato', color: Colors.teal),
-              errorTextStyle: TextStyle(color: Colors.purpleAccent),
+              textStyle:
+                  const TextStyle(fontFamily: 'Lato', color: Colors.tealAccent),
+              hintTextStyle: const TextStyle(fontFamily: 'Lato', color: Colors.teal),
+              errorTextStyle: const TextStyle(color: Colors.purpleAccent),
               boxDecoration: BoxDecoration(
                 color: Colors.black54,
                 border: Border.all(

example/lib/main.dart

@@ -41,7 +41,7 @@ class _MyHomePageState extends State<MyHomePage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-         body: Center(
+      body: Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
@@ -58,12 +58,6 @@ class _MyHomePageState extends State<MyHomePage> {
                   print(details);
                 }
               },
-              // textStyle: TextStyle(fontSize: 24.0),
-              // cardFieldWidth: 260,
-              // expFieldWidth: 100.0,
-              // securityFieldWidth: 60.0,
-              // postalFieldWidth: 130.0,
-              // iconSize: Size(50.0, 35.0),
               overrideValidState: state,
               errorText: errorText,
             ),