大幅変更＆環境バージョンアップ

lib/pages/settings/settings_page.dart

@@ -0,0 +1,63 @@
+// lib/pages/settings/settings_page.dart
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:gifunavi/pages/settings/settings_controller.dart';
+
+class SettingsPage extends GetView<SettingsController> {
+  const SettingsPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('設定'),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              'timer_duration'.tr,
+              style: const TextStyle(
+                fontSize: 18,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            const SizedBox(height: 8),
+            Obx(
+                  () => controller.autoReturnDisabled.value
+                  ? Container()
+                  : Slider(
+                value: controller.timerDuration.value.inSeconds.toDouble(),
+                min: 5,
+                max: 30,
+                divisions: 5,
+                label: '${controller.timerDuration.value.inSeconds}秒',
+                onChanged: (value) {
+                  controller.updateTimerDuration(value.toInt());
+                },
+              ),
+            ),
+            const SizedBox(height: 8),
+            const Text(
+              'マップ操作がなければ自動的に現在地に復帰します。そのタイマー秒数を入れて下さい。チェックボックスをチェックすると、自動復帰は行われなくなります。',
+              style: TextStyle(fontSize: 14),
+            ),
+            const SizedBox(height: 16),
+            Obx(
+                  () => CheckboxListTile(
+                title: const Text('自動復帰なし'),
+                value: controller.autoReturnDisabled.value,
+                onChanged: (value) {
+                  controller.setAutoReturnDisabled(value!);
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}