diff --git a/add_to_app/android_view/flutter_module_using_plugin/lib/main.dart b/add_to_app/android_view/flutter_module_using_plugin/lib/main.dart
index 9f05dd368..ff9cca454 100644
--- a/add_to_app/android_view/flutter_module_using_plugin/lib/main.dart
+++ b/add_to_app/android_view/flutter_module_using_plugin/lib/main.dart
@@ -165,9 +165,9 @@ class Contents extends StatelessWidget {
                   onPressed: () async {
                     // Use the url_launcher plugin to open the Flutter docs in
                     // a browser.
-                    const url = 'https://flutter.dev/docs';
-                    if (await launcher.canLaunch(url)) {
-                      launcher.launch(url);
+                    final url = Uri.parse('https://flutter.dev/docs');
+                    if (await launcher.canLaunchUrl(url)) {
+                      launcher.launchUrl(url);
                     }
                   },
                   child: const Text('Open Flutter Docs'),
diff --git a/add_to_app/multiple_flutters/multiple_flutters_module/lib/main.dart b/add_to_app/multiple_flutters/multiple_flutters_module/lib/main.dart
index b65a641b5..235f10932 100644
--- a/add_to_app/multiple_flutters/multiple_flutters_module/lib/main.dart
+++ b/add_to_app/multiple_flutters/multiple_flutters_module/lib/main.dart
@@ -95,9 +95,9 @@ class _MyHomePageState extends State<MyHomePage> {
               onPressed: () async {
                 // Use the url_launcher plugin to open the Flutter docs in
                 // a browser.
-                const url = 'https://flutter.dev/docs';
-                if (await launcher.canLaunch(url)) {
-                  launcher.launch(url);
+                final url = Uri.parse('https://flutter.dev/docs');
+                if (await launcher.canLaunchUrl(url)) {
+                  launcher.launchUrl(url);
                 }
               },
               child: const Text('Open Flutter Docs'),
diff --git a/add_to_app/plugin/flutter_module_using_plugin/lib/main.dart b/add_to_app/plugin/flutter_module_using_plugin/lib/main.dart
index 388821fed..8a162ec0a 100644
--- a/add_to_app/plugin/flutter_module_using_plugin/lib/main.dart
+++ b/add_to_app/plugin/flutter_module_using_plugin/lib/main.dart
@@ -164,9 +164,9 @@ class Contents extends StatelessWidget {
                   onPressed: () async {
                     // Use the url_launcher plugin to open the Flutter docs in
                     // a browser.
-                    const url = 'https://flutter.dev/docs';
-                    if (await launcher.canLaunch(url)) {
-                      launcher.launch(url);
+                    final url = Uri.parse('https://flutter.dev/docs');
+                    if (await launcher.canLaunchUrl(url)) {
+                      launcher.launchUrl(url);
                     }
                   },
                   child: const Text('Open Flutter Docs'),
diff --git a/desktop_photo_search/fluent_ui/lib/src/widgets/policy_dialog.dart b/desktop_photo_search/fluent_ui/lib/src/widgets/policy_dialog.dart
index 47cabd34a..253903b8b 100644
--- a/desktop_photo_search/fluent_ui/lib/src/widgets/policy_dialog.dart
+++ b/desktop_photo_search/fluent_ui/lib/src/widgets/policy_dialog.dart
@@ -29,9 +29,10 @@ class PolicyDialog extends StatelessWidget {
                       fontWeight: FontWeight.bold, color: Colors.blue.normal),
                   recognizer: TapGestureRecognizer()
                     ..onTap = () async {
-                      const url = 'https://policies.google.com/terms';
-                      if (await url_launcher.canLaunch(url)) {
-                        await url_launcher.launch(url);
+                      final url =
+                          Uri.parse('https://policies.google.com/terms');
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
                       }
                     },
                 )
@@ -50,9 +51,9 @@ class PolicyDialog extends StatelessWidget {
                       fontWeight: FontWeight.bold, color: Colors.blue.normal),
                   recognizer: TapGestureRecognizer()
                     ..onTap = () async {
-                      const url = 'https://unsplash.com/terms';
-                      if (await url_launcher.canLaunch(url)) {
-                        await url_launcher.launch(url);
+                      final url = Uri.parse('https://unsplash.com/terms');
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
                       }
                     },
                 )
diff --git a/desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_notice.dart b/desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_notice.dart
index 57484f6e1..c4e98608c 100644
--- a/desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_notice.dart
+++ b/desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_notice.dart
@@ -8,10 +8,10 @@ import 'package:url_launcher/url_launcher.dart';
 
 import '../../unsplash_access_key.dart';
 
-final _unsplashHomepage =
-    'https://unsplash.com/?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral';
-final _unsplashPrivacyPolicy =
-    'https://unsplash.com/privacy?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral';
+final _unsplashHomepage = Uri.parse(
+    'https://unsplash.com/?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral');
+final _unsplashPrivacyPolicy = Uri.parse(
+    'https://unsplash.com/privacy?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral');
 
 class UnsplashNotice extends StatefulWidget {
   const UnsplashNotice({Key? key, required this.child}) : super(key: key);
@@ -64,7 +64,7 @@ class _UnsplashDialog extends StatelessWidget {
                 text: 'Unsplash',
                 recognizer: TapGestureRecognizer()
                   ..onTap = () async {
-                    if (!await launch(_unsplashHomepage)) {
+                    if (!await launchUrl(_unsplashHomepage)) {
                       throw 'Could not launch $_unsplashHomepage';
                     }
                   },
@@ -81,7 +81,7 @@ class _UnsplashDialog extends StatelessWidget {
                 text: 'how Unsplash collects and uses data',
                 recognizer: TapGestureRecognizer()
                   ..onTap = () async {
-                    if (!await launch(_unsplashPrivacyPolicy)) {
+                    if (!await launchUrl(_unsplashPrivacyPolicy)) {
                       throw 'Could not launch $_unsplashPrivacyPolicy';
                     }
                   },
diff --git a/desktop_photo_search/material/lib/src/widgets/policy_dialog.dart b/desktop_photo_search/material/lib/src/widgets/policy_dialog.dart
index 409bdbec7..d6dd6f8e9 100644
--- a/desktop_photo_search/material/lib/src/widgets/policy_dialog.dart
+++ b/desktop_photo_search/material/lib/src/widgets/policy_dialog.dart
@@ -29,9 +29,10 @@ class PolicyDialog extends StatelessWidget {
                       fontWeight: FontWeight.bold, color: Colors.lightBlue),
                   recognizer: TapGestureRecognizer()
                     ..onTap = () async {
-                      const url = 'https://policies.google.com/terms';
-                      if (await url_launcher.canLaunch(url)) {
-                        await url_launcher.launch(url);
+                      final url =
+                          Uri.parse('https://policies.google.com/terms');
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
                       }
                     },
                 )
@@ -50,9 +51,9 @@ class PolicyDialog extends StatelessWidget {
                       fontWeight: FontWeight.bold, color: Colors.lightBlue),
                   recognizer: TapGestureRecognizer()
                     ..onTap = () async {
-                      const url = 'https://unsplash.com/terms';
-                      if (await url_launcher.canLaunch(url)) {
-                        await url_launcher.launch(url);
+                      final url = Uri.parse('https://unsplash.com/terms');
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
                       }
                     },
                 )
diff --git a/desktop_photo_search/material/lib/src/widgets/unsplash_notice.dart b/desktop_photo_search/material/lib/src/widgets/unsplash_notice.dart
index 7012ac6ab..d14c7c61a 100644
--- a/desktop_photo_search/material/lib/src/widgets/unsplash_notice.dart
+++ b/desktop_photo_search/material/lib/src/widgets/unsplash_notice.dart
@@ -8,10 +8,10 @@ import 'package:url_launcher/url_launcher.dart';
 
 import '../../unsplash_access_key.dart';
 
-final _unsplashHomepage =
-    'https://unsplash.com/?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral';
-final _unsplashPrivacyPolicy =
-    'https://unsplash.com/privacy?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral';
+final _unsplashHomepage = Uri.parse(
+    'https://unsplash.com/?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral');
+final _unsplashPrivacyPolicy = Uri.parse(
+    'https://unsplash.com/privacy?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral');
 
 class UnsplashNotice extends StatefulWidget {
   const UnsplashNotice({Key? key, required this.child}) : super(key: key);
@@ -65,7 +65,7 @@ class _UnsplashDialog extends StatelessWidget {
                 text: 'Unsplash',
                 recognizer: TapGestureRecognizer()
                   ..onTap = () async {
-                    if (!await launch(_unsplashHomepage)) {
+                    if (!await launchUrl(_unsplashHomepage)) {
                       throw 'Could not launch $_unsplashHomepage';
                     }
                   },
@@ -82,7 +82,7 @@ class _UnsplashDialog extends StatelessWidget {
                 text: 'how Unsplash collects and uses data',
                 recognizer: TapGestureRecognizer()
                   ..onTap = () async {
-                    if (!await launch(_unsplashPrivacyPolicy)) {
+                    if (!await launchUrl(_unsplashPrivacyPolicy)) {
                       throw 'Could not launch $_unsplashPrivacyPolicy';
                     }
                   },