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null is not an object (evaluating 'UsbSerialModule.getDeviceListAsync')

Open ShashwatMDas opened this issue 5 years ago • 0 comments

I am getting this warning log upon using this package. Any idea why this is happening?

  • http://192.168.43.215:19001/node_modules/expo/AppEntry.bundle?platform=android&dev=true&minify=false&hot=false:144633:31 in getDeviceListAsync
  • screens/HomeScreen.js:15:2 in getDeviceAsync
  • node_modules/regenerator-runtime/runtime.js:45:44 in tryCatch
  • node_modules/regenerator-runtime/runtime.js:274:30 in invoke
  • node_modules/regenerator-runtime/runtime.js:45:44 in tryCatch
  • node_modules/regenerator-runtime/runtime.js:135:28 in invoke
  • node_modules/regenerator-runtime/runtime.js:170:17 in PromiseImpl$argument_0
  • node_modules/promise/setimmediate/core.js:45:7 in tryCallTwo
  • node_modules/promise/setimmediate/core.js:200:23 in doResolve
  • node_modules/promise/setimmediate/core.js:66:12 in Promise
  • node_modules/regenerator-runtime/runtime.js:169:31 in PromiseImpl$argument_0
  • node_modules/regenerator-runtime/runtime.js:192:38 in enqueue
  • node_modules/regenerator-runtime/runtime.js:219:8 in exports.async
  • screens/HomeScreen.js:15:2 in getDeviceAsync
  • http://192.168.43.215:19001/node_modules/expo/AppEntry.bundle?platform=android&dev=true&minify=false&hot=false:143873:19 in HomeScreen
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:10696:27 in renderWithHooks
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:13481:6 in mountIndeterminateComponent
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:20459:25 in beginWork$$1
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:19370:24 in performUnitOfWork
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:19347:39 in workLoopSync
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:18997:22 in renderRoot
  • [native code]:null in renderRoot
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:18709:28 in runRootCallback
  • [native code]:null in runRootCallback
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:5642:32 in runWithPriority$argument_1
  • node_modules/scheduler/cjs/scheduler.development.js:643:23 in unstable_runWithPriority
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:5638:22 in flushSyncCallbackQueueImpl
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:5627:28 in flushSyncCallbackQueue
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:18556:30 in scheduleUpdateOnFiber
  • node_modules/react-native/Libraries/Renderer/implementations/ReactNativeRenderer-dev.js:11484:17 in dispatchAction
  • [native code]:null in dispatchAction
  • App.js:22:4 in loadResourcesAndDataAsync
  • node_modules/regenerator-runtime/runtime.js:45:44 in tryCatch
  • node_modules/regenerator-runtime/runtime.js:274:30 in invoke
  • node_modules/regenerator-runtime/runtime.js:45:44 in tryCatch
  • node_modules/regenerator-runtime/runtime.js:135:28 in invoke
  • node_modules/regenerator-runtime/runtime.js:145:19 in PromiseImpl.resolve.then$argument_0
  • node_modules/promise/setimmediate/core.js:37:14 in tryCallOne
  • node_modules/promise/setimmediate/core.js:123:25 in setImmediate$argument_0
  • node_modules/react-native/Libraries/Core/Timers/JSTimers.js:146:14 in _callTimer
  • node_modules/react-native/Libraries/Core/Timers/JSTimers.js:194:17 in _callImmediatesPass
  • node_modules/react-native/Libraries/Core/Timers/JSTimers.js:458:30 in callImmediates
  • [native code]:null in callImmediates
  • node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:407:6 in __callImmediates
  • node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:143:6 in __guard$argument_0
  • node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:384:10 in __guard
  • node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:142:17 in __guard$argument_0
  • [native code]:null in flushedQueue
  • [native code]:null in invokeCallbackAndReturnFlushedQueue

ShashwatMDas avatar Apr 30 '20 03:04 ShashwatMDas