Scanner read not happening while returning From Activity

// Expert user has replied.
R Ramesh dha 2 years 11 months ago
31 1 0

Hi,
 
Scanning does not happen while returning from scan activity.
Please help us to fix this issue.
 
Below is log:-
 

+

ex
{Symbol.XamarinEMDK.Barcode.ScannerException: Failure

  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/data/lanes/4468/f913a78a/source/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:143
  at Java.Interop.JniEnvironment+InstanceMethods.CallVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniMethodInfo method) [0x00083] in /Users/builder/data/lanes/4468/b16fb820/source/Java.Interop/src/Java.Interop/Java.Interop/JniEnvironment.g.cs:11624
  at Android.Runtime.JNIEnv.CallVoidMethod (System.IntPtr jobject, System.IntPtr jmethod) [0x00000] in /Users/builder/data/lanes/4468/b16fb820/source/monodroid/src/Mono.Android/JNIEnv.g.cs:258
  at Symbol.XamarinEMDK.Barcode.Scanner.Read () [0x00043] in :0
  at MobiClient.EMDKBaseActivity.eanScanBt_Clicked () [0x00054] in D:\Projects\git_project\lagardere\MobiClient\EMDKBaseActivity.cs:324
  --- End of managed Symbol.XamarinEMDK.Barcode.ScannerException stack trace ---
com.symbol.emdk.barcode.ScannerException: Failure

at com.symbol.emdk.barcode.Scanner.read(Scanner.java:535)

at mono.android.view.View_OnClickListenerImplementor.n_onClick(Native Method)

at mono.android.view.View_OnClickListenerImplementor.onClick(View_OnClickListenerImplementor.java:30)

at android.view.View.performClick(View.java:5205)

at android.view.View$PerformClick.run(View.java:21164)

at android.os.Handler.handleCallback(Handler.java:739)

at android.os.Handler.dispatchMessage(Handler.java:95)

at android.os.Looper.loop(Looper.java:148)

at android.app.ActivityThread.main(ActivityThread.java:5417)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

}
Symbol.XamarinEMDK.Barcode.ScannerException

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1 Replies

C CHARITHA MALLAWAARACHCHI

Hi Ramesh,

There might be a misbehavior with your usage of OnResume/ OnPause of both activities. Please add some log messages and see where it is getting the issue. If you still have issues, attach the full ADB log to see if there is any issue with the order of API calls.

Thanks,
Charith.

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