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My code works perfectly on emulator or mobile through android studio debug mode But after uploading on play console i got this error App crashing when i try to load data into recyclerview

com.google.firebase.database.DatabaseException: 
  at com.google.firebase.database.core.utilities.encoding.CustomClassMapper$BeanMapper.<init> (CustomClassMapper.java)
  at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.loadOrCreateBeanMapperForClass (CustomClassMapper.java:12)
  at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.convertBean (CustomClassMapper.java)
  at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.deserializeToClass (CustomClassMapper.java)
  at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.convertToCustomClass (CustomClassMapper.java)
  at com.google.firebase.database.DataSnapshot.getValue (DataSnapshot.java)
  at com.friend.line2.Groups.Groups$2.onDataChange (Groups.java)
  at com.google.firebase.database.Query$1.onDataChange (Query.java)
  at com.google.firebase.database.core.ValueEventRegistration.fireEvent (ValueEventRegistration.java)
  at com.google.firebase.database.core.view.DataEvent.fire (DataEvent.java:2)
  at com.google.firebase.database.core.view.EventRaiser$1.run (EventRaiser.java)
  at android.os.Handler.handleCallback (Handler.java:883)
  at android.os.Handler.dispatchMessage (Handler.java:100)
  at android.os.Looper.loop (Looper.java:264)
  at android.app.ActivityThread.main (ActivityThread.java:7581)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:492)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:980)
Frank van Puffelen
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  • This typically means that you didn't disable minification on your POJO classes as shown here: https://firebase.google.com/docs/database/android/start#proguard – Frank van Puffelen Feb 07 '22 at 15:45

0 Answers0