feat: 字体大小调节

lib/pages/setting/pages/font_size_select.dart

@@ -0,0 +1,101 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:hive/hive.dart';
+import 'package:pilipala/utils/storage.dart';
+
+class FontSizeSelectPage extends StatefulWidget {
+  const FontSizeSelectPage({super.key});
+
+  @override
+  State<FontSizeSelectPage> createState() => _FontSizeSelectPageState();
+}
+
+class _FontSizeSelectPageState extends State<FontSizeSelectPage> {
+  Box setting = GStrorage.setting;
+  List<double> list = [0.9, 0.95, 1.0, 1.05, 1.1, 1.15, 1.2, 1.25, 1.3];
+  late double minsize;
+  late double maxSize;
+  late double currentSize;
+
+  @override
+  void initState() {
+    super.initState();
+    minsize = list.first;
+    maxSize = list.last;
+    currentSize =
+        setting.get(SettingBoxKey.defaultTextScale, defaultValue: 1.0);
+  }
+
+  setFontSize() {
+    setting.put(SettingBoxKey.defaultTextScale, currentSize);
+    Get.forceAppUpdate();
+    Get.back();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        actions: [
+          TextButton(onPressed: () => setFontSize(), child: const Text('确定')),
+          const SizedBox(width: 12)
+        ],
+      ),
+      body: Column(
+        children: [
+          Expanded(
+            child: SingleChildScrollView(
+              child: Center(
+                child: Text(
+                  '当前字体大小:${currentSize == 1.0 ? '默认' : currentSize}',
+                  style: TextStyle(fontSize: 14 * currentSize),
+                ),
+              ),
+            ),
+          ),
+          Container(
+            width: double.infinity,
+            padding: EdgeInsets.only(
+              left: 20,
+              right: 20,
+              top: 20,
+              bottom: MediaQuery.of(context).padding.bottom + 20,
+            ),
+            decoration: BoxDecoration(
+              border: Border(
+                  top: BorderSide(
+                      color: Theme.of(context)
+                          .colorScheme
+                          .primary
+                          .withOpacity(0.3))),
+              color: Theme.of(context).colorScheme.background,
+            ),
+            child: Row(
+              children: [
+                const Text('小'),
+                Expanded(
+                  child: Slider(
+                    min: minsize,
+                    value: currentSize,
+                    max: maxSize,
+                    divisions: list.length - 1,
+                    secondaryTrackValue: 1,
+                    onChanged: (double val) {
+                      currentSize = double.parse(val.toStringAsFixed(2));
+                      setState(() {});
+                    },
+                  ),
+                ),
+                const SizedBox(width: 5),
+                const Text(
+                  '大',
+                  style: TextStyle(fontSize: 20),
+                ),
+              ],
+            ),
+          )
+        ],
+      ),
+    );
+  }
+}

lib/pages/setting/style_setting.dart

@@ -189,6 +189,11 @@ class _StyleSettingState extends State<StyleSetting> {
             onTap: () => Get.toNamed('/colorSetting'),
             title: Text('应用主题', style: titleStyle),
           ),
+          ListTile(
+            dense: false,
+            onTap: () => Get.toNamed('/fontSizeSetting'),
+            title: Text('字体大小', style: titleStyle),
+          )
         ],
       ),
     );