- data backup

- I can't test it because I'm stuck on the login screen.

refilc/lib/api/providers/liveactivity/platform_channel.dart

@@ -0,0 +1,43 @@
+import 'dart:async';
+import 'dart:io';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/services.dart';
+
+class PlatformChannel {
+  static const MethodChannel _channel = MethodChannel('hu.refilc/liveactivity');
+
+  static Future<void> createLiveActivity(
+      Map<String, dynamic> activityData) async {
+    if (Platform.isIOS) {
+      try {
+        debugPrint("creating...");
+        await _channel.invokeMethod('createLiveActivity', activityData);
+      } on PlatformException catch (e) {
+        debugPrint("Hiba történt a Live Activity létrehozásakor: ${e.message}");
+      }
+    }
+  }
+
+  static Future<void> updateLiveActivity(
+      Map<String, dynamic> activityData) async {
+    if (Platform.isIOS) {
+      try {
+        debugPrint("updating...");
+        await _channel.invokeMethod('updateLiveActivity', activityData);
+      } on PlatformException catch (e) {
+        debugPrint("Hiba történt a Live Activity frissítésekor: ${e.message}");
+      }
+    }
+  }
+
+  static Future<void> endLiveActivity() async {
+    if (Platform.isIOS) {
+      try {
+        debugPrint("finishing...");
+        await _channel.invokeMethod('endLiveActivity');
+      } on PlatformException catch (e) {
+        debugPrint("Hiba történt a Live Activity befejezésekor: ${e.message}");
+      }
+    }
+  }
+}