lib/main/adapter/presentation/installation_bloc.dart

@@ -62,6 +62,7 @@ class InstallationBloc extends Bloc<InstallationEvent, InstallationState> {
       final newState = state.copyWith(
         gameVersion: event.gameVersion,
         savePath: event.savePath,
+        isEulaAgreed: event.isEulaAgreed,
       );
       emit(newState);
     });
@@ -81,9 +82,11 @@ class _InstallationProgressValueChangedEvent extends InstallationEvent {
 class InstallationConfigurationUpdatedEvent extends InstallationEvent {
   final GameVersionViewModel? gameVersion;
   final String? savePath;
+  final bool? isEulaAgreed;
 
   InstallationConfigurationUpdatedEvent({
     this.gameVersion,
     this.savePath,
+    this.isEulaAgreed,
   });
 }

lib/main/adapter/presentation/installation_state.dart

@@ -5,12 +5,14 @@ import 'package:minecraft_server_installer/vanilla/adapter/presentation/game_ver
 class InstallationState with EquatableMixin {
   final GameVersionViewModel? gameVersion;
   final String? savePath;
+  final bool isEulaAgreed;
   final ProgressViewModel downloadProgress;
   final bool isLocked;
 
   const InstallationState({
     required this.gameVersion,
     required this.savePath,
+    required this.isEulaAgreed,
     required this.downloadProgress,
     required this.isLocked,
   });
@@ -19,6 +21,7 @@ class InstallationState with EquatableMixin {
       : this(
           gameVersion: null,
           savePath: null,
+          isEulaAgreed: false,
           downloadProgress: const ProgressViewModel.zero(),
           isLocked: false,
         );
@@ -27,6 +30,7 @@ class InstallationState with EquatableMixin {
   List<Object?> get props => [
         gameVersion,
         savePath,
+        isEulaAgreed,
         downloadProgress,
         isLocked,
       ];
@@ -34,12 +38,14 @@ class InstallationState with EquatableMixin {
   InstallationState copyWith({
     GameVersionViewModel? gameVersion,
     String? savePath,
+    bool? isEulaAgreed,
     ProgressViewModel? downloadProgress,
     bool? isLocked,
   }) =>
       InstallationState(
         gameVersion: gameVersion ?? this.gameVersion,
         savePath: savePath ?? this.savePath,
+        isEulaAgreed: isEulaAgreed ?? this.isEulaAgreed,
         downloadProgress: downloadProgress ?? this.downloadProgress,
         isLocked: isLocked ?? this.isLocked,
       );
@@ -48,5 +54,5 @@ class InstallationState with EquatableMixin {
 
   bool get isSavePathSelected => savePath != null && savePath!.isNotEmpty;
 
-  bool get canStartToInstall => isGameVersionSelected && isSavePathSelected && !isLocked;
+  bool get canStartToInstall => isGameVersionSelected && isSavePathSelected && isEulaAgreed && !isLocked;
 }

lib/main/constants.dart

@@ -6,6 +6,7 @@ abstract class Constants {
   static const eulaFileName = 'eula.txt';
   static const eulaFileContent =
       '#By changing the setting below to TRUE you are indicating your agreement to our EULA (https://account.mojang.com/documents/minecraft_eula).\neula=true';
+  static const eulaUrl = 'https://account.mojang.com/documents/minecraft_eula';
 
   static final startScriptFileName = Platform.isWindows ? 'start.bat' : 'start.sh';
 }

lib/main/framework/ui/basic_configuration_tab.dart

@@ -3,35 +3,55 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:gap/gap.dart';
 import 'package:minecraft_server_installer/main/adapter/presentation/installation_bloc.dart';
 import 'package:minecraft_server_installer/main/adapter/presentation/installation_state.dart';
+import 'package:minecraft_server_installer/main/constants.dart';
 import 'package:minecraft_server_installer/main/framework/ui/path_browsing_field.dart';
 import 'package:minecraft_server_installer/main/framework/ui/strings.dart';
-import 'package:minecraft_server_installer/vanilla/adapter/presentation/game_version_view_model.dart';
 import 'package:minecraft_server_installer/vanilla/framework/ui/game_version_dropdown.dart';
+import 'package:url_launcher/url_launcher.dart';
 
-class BasicConfigurationTab extends StatefulWidget {
+class BasicConfigurationTab extends StatelessWidget {
   const BasicConfigurationTab({super.key});
 
-  @override
-  State<BasicConfigurationTab> createState() => _BasicConfigurationTabState();
-}
-
-class _BasicConfigurationTabState extends State<BasicConfigurationTab> {
-  GameVersionViewModel? selectedGameVersion;
-
   @override
   Widget build(BuildContext context) => Column(
         children: [
           const GameVersionDropdown(),
           const Gap(16),
           const PathBrowsingField(),
+          const Gap(16),
+          _eulaCheckbox,
           const Spacer(),
           _bottomControl,
         ],
       );
 
+  Widget get _eulaCheckbox => Row(
+        children: [
+          Expanded(
+            child: BlocConsumer<InstallationBloc, InstallationState>(
+                listener: (_, __) {},
+                builder: (context, state) => CheckboxListTile(
+                      title: const Text('${Strings.fieldEula} *'),
+                      value: state.isEulaAgreed,
+                      onChanged: (value) => context
+                          .read<InstallationBloc>()
+                          .add(InstallationConfigurationUpdatedEvent(isEulaAgreed: value ?? false)),
+                      controlAffinity: ListTileControlAffinity.leading,
+                      contentPadding: EdgeInsets.zero,
+                      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4)),
+                    )),
+          ),
+          IconButton(
+            onPressed: () => launchUrl(Uri.parse(Constants.eulaUrl)),
+            tooltip: Strings.tooltipEulaInfo,
+            icon: const Icon(Icons.info_outline),
+          ),
+        ],
+      );
+
   Widget get _bottomControl => BlocConsumer<InstallationBloc, InstallationState>(
         listener: (_, __) {},
-        builder: (_, state) => Row(
+        builder: (context, state) => Row(
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             if (state.downloadProgress.isInProgress)
@@ -39,7 +59,8 @@ class _BasicConfigurationTabState extends State<BasicConfigurationTab> {
             const Gap(32),
             ElevatedButton.icon(
               style: ElevatedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4))),
-              onPressed: context.watch<InstallationBloc>().state.canStartToInstall ? _downloadServerFile : null,
+              onPressed:
+                  context.watch<InstallationBloc>().state.canStartToInstall ? () => _downloadServerFile(context) : null,
               icon: const Icon(Icons.download),
               label: const Padding(
                 padding: EdgeInsets.symmetric(vertical: 12),
@@ -50,7 +71,7 @@ class _BasicConfigurationTabState extends State<BasicConfigurationTab> {
         ),
       );
 
-  void _downloadServerFile() {
+  void _downloadServerFile(BuildContext context) {
     context.read<InstallationBloc>().add((InstallationStartedEvent()));
   }
 }

lib/main/framework/ui/strings.dart

@@ -1,7 +1,9 @@
 abstract class Strings {
   static const fieldGameVersion = '遊戲版本';
   static const fieldPath = '安裝路徑';
+  static const fieldEula = '我同意 EULA 條款';
   static const buttonStartToInstall = '開始安裝';
   static const buttonBrowse = '瀏覽';
+  static const tooltipEulaInfo = '點擊查看 EULA 條款';
   static const dialogTitleSelectDirectory = '選擇安裝目錄';
 }

pubspec.lock

@@ -357,6 +357,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: "9d06212b1362abc2f0f0d78e6f09f726608c74e3b9462e8368bb03314aa8d603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "8582d7f6fe14d2652b4c45c9b6c14c0b678c2af2d083a11b604caeba51930d79"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.16"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: "7f2022359d4c099eea7df3fdf739f7d3d3b9faf3166fb1dd390775176e0b76cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.3"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "17ba2000b847f334f16626a574c702b196723af2a289e7a93ffcb79acff855c2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "4bd2b7b4dc4d4d0b94e5babfffbca8eac1a126c7f3d6ecbc1a11013faa3abba2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "3284b6d2ac454cf34f114e1d3319866fdd1e19cdc329999057e44ffe936cfa77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
   vector_math:
     dependency: transitive
     description:

pubspec.yaml

@@ -40,6 +40,7 @@ dependencies:
   gap: ^3.0.1
   http: ^1.4.0
   path: ^1.9.1
+  url_launcher: ^6.3.1
   window_manager: ^0.5.0
 
 dev_dependencies: