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kakzaki / blue_thermal_printer

Working with thermal printer via bluetooth (Flutter)
MIT License
164 stars 205 forks source link

i cant use it in background #204

Closed Kerolos163 closed 2 months ago

TarunPal3551 commented 5 months ago

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>

github-actions[bot] commented 3 months ago

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.