Migrate to singbox

lib/utils/alerts.dart

@@ -1,6 +1,42 @@
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 
+class CustomAlertDialog extends StatelessWidget {
+  const CustomAlertDialog({
+    super.key,
+    this.title,
+    required this.message,
+  });
+
+  final String? title;
+  final String message;
+
+  Future<void> show(BuildContext context) async {
+    await showDialog(
+      context: context,
+      builder: (context) => this,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final localizations = MaterialLocalizations.of(context);
+
+    return AlertDialog(
+      title: title != null ? Text(title!) : null,
+      content: Text(message),
+      actions: [
+        TextButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+          child: Text(localizations.okButtonLabel),
+        ),
+      ],
+    );
+  }
+}
+
 enum AlertType { info, error, success }
 
 class CustomToast extends StatelessWidget {