diff --git a/animations/lib/main.dart b/animations/lib/main.dart
index 484a6eecf..9e2187f7b 100644
--- a/animations/lib/main.dart
+++ b/animations/lib/main.dart
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:window_size/window_size.dart';
diff --git a/code_sharing/client/lib/main.dart b/code_sharing/client/lib/main.dart
index 1968546e4..2f70689fb 100644
--- a/code_sharing/client/lib/main.dart
+++ b/code_sharing/client/lib/main.dart
@@ -1,5 +1,5 @@
 import 'dart:convert';
-import 'dart:io';
+import 'dart:io' show Platform;
 import 'package:http/http.dart' as http;
 import 'package:shared/shared.dart';
 import 'package:flutter/material.dart';
diff --git a/form_app/lib/main.dart b/form_app/lib/main.dart
index 7517b572e..d986de48d 100644
--- a/form_app/lib/main.dart
+++ b/form_app/lib/main.dart
@@ -2,9 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:window_size/window_size.dart';
diff --git a/infinite_list/lib/main.dart b/infinite_list/lib/main.dart
index 9f25ac947..ba2bc32ce 100644
--- a/infinite_list/lib/main.dart
+++ b/infinite_list/lib/main.dart
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:window_size/window_size.dart';
diff --git a/isolate_example/lib/main.dart b/isolate_example/lib/main.dart
index dd1e1c82d..6ee432951 100644
--- a/isolate_example/lib/main.dart
+++ b/isolate_example/lib/main.dart
@@ -12,9 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:window_size/window_size.dart';
 
diff --git a/jsonexample/lib/main.dart b/jsonexample/lib/main.dart
index 085b99519..0aaa28866 100644
--- a/jsonexample/lib/main.dart
+++ b/jsonexample/lib/main.dart
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:jsonexample/tab_pages.dart';
 import 'package:window_size/window_size.dart';
diff --git a/navigation_and_routing/lib/main.dart b/navigation_and_routing/lib/main.dart
index 4925b1fec..1236816da 100644
--- a/navigation_and_routing/lib/main.dart
+++ b/navigation_and_routing/lib/main.dart
@@ -2,9 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:url_strategy/url_strategy.dart';
 import 'package:window_size/window_size.dart';
diff --git a/provider_counter/lib/main.dart b/provider_counter/lib/main.dart
index 53cefc2dd..d60faebbd 100644
--- a/provider_counter/lib/main.dart
+++ b/provider_counter/lib/main.dart
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:window_size/window_size.dart';
diff --git a/provider_shopper/lib/main.dart b/provider_shopper/lib/main.dart
index 8992e78ac..e20234925 100644
--- a/provider_shopper/lib/main.dart
+++ b/provider_shopper/lib/main.dart
@@ -2,9 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:provider/provider.dart';
diff --git a/simplistic_calculator/lib/main.dart b/simplistic_calculator/lib/main.dart
index 953db5f17..7f8ecd0a6 100644
--- a/simplistic_calculator/lib/main.dart
+++ b/simplistic_calculator/lib/main.dart
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
 import 'package:auto_size_text/auto_size_text.dart';
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
 import 'package:flutter_layout_grid/flutter_layout_grid.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
diff --git a/veggieseasons/lib/main.dart b/veggieseasons/lib/main.dart
index a09b0d8f5..4bd78bc5f 100644
--- a/veggieseasons/lib/main.dart
+++ b/veggieseasons/lib/main.dart
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'dart:io' show Platform;
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/services.dart' show DeviceOrientation, SystemChrome;
 import 'package:go_router/go_router.dart';
 import 'package:provider/provider.dart';