增加跳过片头片尾,上一章下一章移动到AudioPlayer对象中

lib/shared/extensions/string.dart

@@ -0,0 +1,6 @@
+extension StringExtension on String {
+  String get capitalize {
+    if (isEmpty) return "";
+    return "${this[0].toUpperCase()}${substring(1)}";
+  }
+}

lib/shared/widgets/not_implemented.dart

@@ -1,9 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:vaani/generated/l10n.dart';
 
 void showNotImplementedToast(BuildContext context) {
   ScaffoldMessenger.of(context).showSnackBar(
-    const SnackBar(
-      content: Text("Not implemented"),
+    SnackBar(
+      content: Text(S.of(context).notImplemented),
       showCloseIcon: true,
     ),
   );