adjust main activity kt

android/app/src/main/kotlin/com/example/self_service_3/MainActivity.kt

@@ -33,6 +33,7 @@ class MainActivity : MethodChannel.MethodCallHandler, FlutterActivity(), MifareT
                 object : Thread() {
                     override fun run() {
                         _mifareTicketing = MifareTicketing(callback, context)
+
                         _mifareTicketing?.initLibrary(MifareTicketing.USE_Dcard_D8_N, 1)
                     }
                 }.start()
@@ -344,8 +345,6 @@ class MainActivity : MethodChannel.MethodCallHandler, FlutterActivity(), MifareT
                 .addText("powered by dolanapp.com")
             val finalReceiptLayout: ReceiptBuilder = receiptLayout
             _mifareTicketing?.generateReceiptTopup(finalReceiptLayout, "", bitmapIcon)
-
-
         }
     }