NoDefClassFoundError with customwebview

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i get this error only on android 6 and 7.


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these are my blocks
is there a fix?

Is this to do with your other topic here?

Please provide complete logs.

java.lang.NoClassDefFoundError:
at com.sunny.CustomWebView.CustomWebView.resetWebView (Unknown Source)
at com.sunny.CustomWebView.CustomWebView. (Unknown Source)
at java.lang.reflect.Constructor.newInstance0 (Native Method)
at java.lang.reflect.Constructor.newInstance (Constructor.java:430)
at gnu.expr.PrimProcedure.apply (PrimProcedure.java:272)
at gnu.mapping.CallContext.runUntilDone (CallContext.java:234)
at gnu.mapping.CallContext.runUntilValue (CallContext.java:298)
at gnu.kawa.reflect.Invoke.applyN (Invoke.java:209)
at gnu.mapping.ProcedureN.apply2 (ProcedureN.java:39)
at io.kodular.samithuaz.smartQ.Screen4.$define (Screen4.yail:10250)
at com.google.appinventor.components.runtime.Form.onCreateFinish2 (SourceFile:517)
at com.google.appinventor.components.runtime.Form.onCreateFinish (SourceFile:461)
at com.google.appinventor.components.runtime.Form.onCreate (SourceFile:400)
at android.app.Activity.performCreate (Activity.java:6977)
at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1126)
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2946)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3064)
at android.app.ActivityThread.-wrap14 (ActivityThread.java)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:1659)
at android.os.Handler.dispatchMessage (Handler.java:102)
at android.os.Looper.loop (Looper.java:154)
at android.app.ActivityThread.main (ActivityThread.java:6816)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1563)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1451)
Caused by: java.lang.ClassNotFoundException:
at dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass (ClassLoader.java:380)
at java.lang.ClassLoader.loadClass (ClassLoader.java:312)

Use v12beta.You can download it from beta branch of github repo.

ill look into it, thanks!