use universal_platform

lib/country_code_picker.dart

@@ -1,7 +1,5 @@
 library country_code_picker;
 
-import 'dart:io';
-
 import 'package:collection/collection.dart' show IterableExtension;
 import 'package:country_code_picker/country_code.dart';
 import 'package:country_code_picker/country_codes.dart';
@@ -9,6 +7,7 @@ import 'package:country_code_picker/selection_dialog.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
+import 'package:universal_platform/universal_platform.dart';
 
 export 'country_code.dart';
 
@@ -279,7 +278,7 @@ class CountryCodePickerState extends State<CountryCodePicker> {
   }
 
   void showCountryCodePickerDialog() {
-    if (kIsWeb || (!Platform.isIOS && !Platform.isAndroid)) {
+    if (!UniversalPlatform.isAndroid && !UniversalPlatform.isIOS) {
       showDialog(
         barrierColor: widget.barrierColor ?? Colors.grey.withOpacity(0.5),
         // backgroundColor: widget.backgroundColor ?? Colors.transparent,

pubspec.yaml

@@ -12,6 +12,7 @@ dependencies:
 
   modal_bottom_sheet: ^2.0.0
   collection: ^1.15.0
+  universal_platform: ^1.0.0-nullsafety
 
 flutter:
   assets: