Add url_launcher for opening URLs.

lib/about_page.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:logging/logging.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import 'app/state.dart';
 import 'version.dart';
@@ -25,7 +26,6 @@ class AboutPage extends ConsumerWidget {
       title: const Text('About'),
       child: Column(
         mainAxisSize: MainAxisSize.min,
-        //crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           Image.asset('assets/graphics/app-icon.png', scale: 1 / 0.75),
           Padding(
@@ -43,17 +43,17 @@ class AboutPage extends ConsumerWidget {
           const Text(''),
           Row(
             mainAxisSize: MainAxisSize.min,
-            children: const [
+            children: [
               UrlLink(
                 text: 'Terms of use',
-                url:
-                    'https://www.yubico.com/support/terms-conditions/yubico-license-agreement/',
+                target: Uri.parse(
+                    'https://www.yubico.com/support/terms-conditions/yubico-license-agreement/'),
               ),
-              SizedBox(width: 8.0),
+              const SizedBox(width: 8.0),
               UrlLink(
                 text: 'Privacy policy',
-                url:
-                    'https://www.yubico.com/support/terms-conditions/privacy-notice/',
+                target: Uri.parse(
+                    'https://www.yubico.com/support/terms-conditions/privacy-notice/'),
               ),
             ],
           ),
@@ -70,15 +70,16 @@ class AboutPage extends ConsumerWidget {
           ),
           Row(
             mainAxisSize: MainAxisSize.min,
-            children: const [
+            children: [
               UrlLink(
                 text: 'Send us feedback',
-                url: 'https://example.com',
+                target: Uri.parse('https://example.com'),
               ),
-              SizedBox(width: 8.0),
+              const SizedBox(width: 8.0),
               UrlLink(
-                  text: 'I need help',
-                  url: 'https://support.yubico.com/support/home'),
+                text: 'I need help',
+                target: Uri.parse('https://support.yubico.com/support/home'),
+              ),
             ],
           ),
           const Padding(
@@ -169,9 +170,9 @@ class LoggingPanel extends ConsumerWidget {
 
 class UrlLink extends StatefulWidget {
   final String text;
-  final String url;
+  final Uri target;
 
-  const UrlLink({super.key, required this.text, required this.url});
+  const UrlLink({super.key, required this.text, required this.target});
 
   @override
   State<StatefulWidget> createState() => _UrlLinkState();
@@ -185,9 +186,8 @@ class _UrlLinkState extends State<UrlLink> {
     super.initState();
     _tapRecognizer = TapGestureRecognizer();
     _tapRecognizer.onTap = () {
-      //TODO: use url_launcher
-      // ignore: avoid_print
-      print('TODO: Go to ${widget.url}');
+      _log.debug('Opening browser to ${widget.target}');
+      launchUrl(widget.target, mode: LaunchMode.externalApplication);
     };
   }
 

linux/flutter/generated_plugin_registrant.cc

@@ -7,12 +7,16 @@
 #include "generated_plugin_registrant.h"
 
 #include <desktop_drop/desktop_drop_plugin.h>
+#include <url_launcher_linux/url_launcher_plugin.h>
 #include <window_manager/window_manager_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) desktop_drop_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "DesktopDropPlugin");
   desktop_drop_plugin_register_with_registrar(desktop_drop_registrar);
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
   g_autoptr(FlPluginRegistrar) window_manager_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin");
   window_manager_plugin_register_with_registrar(window_manager_registrar);

linux/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   desktop_drop
+  url_launcher_linux
   window_manager
 )
 

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,10 +7,12 @@ import Foundation
 
 import desktop_drop
 import shared_preferences_macos
+import url_launcher_macos
 import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   DesktopDropPlugin.register(with: registry.registrar(forPlugin: "DesktopDropPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
   WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin"))
 }

pubspec.lock

@@ -631,6 +631,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   vector_math:
     dependency: transitive
     description:
@@ -696,4 +752,4 @@ packages:
     version: "3.1.0"
 sdks:
   dart: ">=2.17.0 <3.0.0"
-  flutter: ">=2.8.0"
+  flutter: ">=2.10.0"

pubspec.yaml

@@ -49,6 +49,7 @@ dependencies:
   qrscanner_zxing:
     path: android/flutter_plugins/qrscanner_zxing
   desktop_drop: ^0.3.3
+  url_launcher: ^6.1.2
 
 dependency_overrides:
   analyzer: ^3.4.1

windows/flutter/generated_plugin_registrant.cc

@@ -7,11 +7,14 @@
 #include "generated_plugin_registrant.h"
 
 #include <desktop_drop/desktop_drop_plugin.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 #include <window_manager/window_manager_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   DesktopDropPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("DesktopDropPlugin"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
   WindowManagerPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("WindowManagerPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   desktop_drop
+  url_launcher_windows
   window_manager
 )