Android Question FirebasAuth error message

[new_danoptic]

Even after I updated the SDK and copied al the files I found to the libraries, I keep getting the sam error when running the FirebasAuth sample app:

*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.firebase.auth.FirebaseAuth.addAuthStateListener(com.google.firebase.auth.FirebaseAuth$AuthStateListener)' on a null object reference
    at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:73)
    at com.kadalshany.firebaseauth.main._activity_create(main.java:387)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
    at com.kadalshany.firebaseauth.main.afterFirstLayout(main.java:104)
    at com.kadalshany.firebaseauth.main.access$000(main.java:17)
    at com.kadalshany.firebaseauth.main$WaitForLayout.run(main.java:82)
    at android.os.Handler.handleCallback(Handler.java:883)
    at android.os.Handler.dispatchMessage(Handler.java:100)
    at android.os.Looper.loop(Looper.java:224)
    at android.app.ActivityThread.main(ActivityThread.java:7520)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)
** Activity (main) Resume **

 

[Erel]

You don't need to copy and file or update anything.

Download the SDK as explained here: https://www.b4x.com/b4a.html
You don't need to open it.