change init library call multithread

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

@@ -29,32 +29,15 @@ class MainActivity : MethodChannel.MethodCallHandler, FlutterActivity(), MifareT
 
     override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
         when (call.method) {
-//            "init_library" -> {
-//                this.result = result
-//                val callback = this
-//                object : Thread() {
-//                    override fun run() {
-//                        _mifareTicketing = MifareTicketing(callback, context)
-//                        mifareTicketingV3 = (_mifareTicketing as MifareTicketing).mTicketingLibV3
-//
-//                        _mifareTicketing?.initLibrary(MifareTicketing.USE_Dcard_D8_N, 1)
-//                    }
-//                }.start()
-//            }
             "init_library" -> {
                 this.result = result
                 val callback = this
                 object : Thread() {
                     override fun run() {
-                        try {
                         _mifareTicketing = MifareTicketing(callback, context)
                         mifareTicketingV3 = (_mifareTicketing as MifareTicketing).mTicketingLibV3
 
                         _mifareTicketing?.initLibrary(MifareTicketing.USE_Dcard_D8_N, 1)
-                        } catch (e: Exception) {
-                            sleep(2000) // wait for 2 seconds before retrying
-                            run() // retry
-                        }
                     }
                 }.start()
             }