Closed Kerolos163 closed 2 months ago
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Facing same issue while sending command from background notification
E/flutter (21125): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MissingPluginException(No implementation found for method state on channel blue_thermal_printer/methods) E/flutter (21125): #0 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:332:7) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #1 BlueThermalPrinter.onStateChanged.<anonymous closure> (package:blue_thermal_printer/blue_thermal_printer.dart:47:53) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #2 BlueThermalPrinter.onStateChanged (package:blue_thermal_printer/blue_thermal_printer.dart:47:11) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #3 PrinterController.startPrinterService.<anonymous closure> (package:apnabillbook/controllers/printer_controller.dart:2149:46) E/flutter (21125): <asynchronous suspension> E/flutter (21125): E/flutter (21125): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MissingPluginException(No implementation found for method state on channel blue_thermal_printer/methods) E/flutter (21125): #0 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:332:7) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #1 BlueThermalPrinter.onStateChanged.<anonymous closure> (package:blue_thermal_printer/blue_thermal_printer.dart:47:53) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #2 BlueThermalPrinter.onStateChanged (package:blue_thermal_printer/blue_thermal_printer.dart:47:11) E/flutter (21125): <asynchronous suspension> E/flutter (21125): #3 PrinterController.startScanPrinter.<anonymous closure> (package:apnabillbook/controllers/printer_controller.dart:301:46) E/flutter (21125): <asynchronous suspension>