react-native-nfc-manager: App crash with Null pointer Exception when press start Tag detection in example

Hi, I have followed the Readme and trying the example. The example screen showing however the app crashed after i pressed start tag detection screenshot_2018-04-12-11-44-08

My environment:

environment:
 OS:  Android 4.2.1
Packages: (installed)
  react: 16.3.0-alpha.1
  react-native: 0.54.3
  react-native-nfc-manager: ^0.3.2

Logcat in android studio:

E/AndroidRuntime: FATAL EXCEPTION: mqt_native_modules
    java.lang.NullPointerException
        at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:86)
        at java.lang.StringBuilder.<init>(StringBuilder.java:95)
        at com.facebook.react.devsupport.DevSupportManagerImpl$JSExceptionLogger.log(DevSupportManagerImpl.java:303)
        at com.facebook.react.devsupport.DevSupportManagerImpl.handleException(DevSupportManagerImpl.java:287)
        at com.facebook.react.bridge.CatalystInstanceImpl.onNativeException(CatalystInstanceImpl.java:501)
        at com.facebook.react.bridge.CatalystInstanceImpl.access$900(CatalystInstanceImpl.java:40)
        at com.facebook.react.bridge.CatalystInstanceImpl$NativeExceptionHandler.handleException(CatalystInstanceImpl.java:517)
        at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:33)
        at android.os.Looper.loop(Looper.java:137)
        at com.facebook.react.bridge.queue.MessageQueueThreadImpl$3.run(MessageQueueThreadImpl.java:194)
        at java.lang.Thread.run(Thread.java:856)

Would you please let me know how to fix the issue. Thank you.

About this issue

  • Original URL
  • State: closed
  • Created 6 years ago
  • Comments: 16 (11 by maintainers)

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