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I am creating a user login page with Google and Facebook authentication and I am following all the documentation from Firebase I found, when I create the Google Login everything worked fine but when I added the Facebook login It only displays the progress bar and does not do anything else. Hope someone can help me. I am not sure if it is cause I am not handling correctly the "onActivityResult".

 firebaseAuth=FirebaseAuth.getInstance()

 callbackManager = CallbackManager.Factory.create()
 login_button_facebook.setReadPermissions("email")
 //var btnLoginFacebbok = findViewById<Button>(R.id.login_button_facebook)
 login_button_facebook.setOnClickListener(
 SignInFacebook()
 )

 }

 private fun SignInFacebook() 

 login_button_facebook.registerCallback(callbackManager, object :FacebookCallback<LoginResult>
 override fun onSuccess(result: LoginResult?) 
 if (result != null) 
 handleFacebookAccessToken(result.accessToken)
 


 


 override fun onCancel() File Templates.
 

 override fun onError(error: FacebookException?) 

 

 )


 


 private fun handleFacebookAccessToken(accessToken: AccessToken?) 
 Log.d(String.toString(), "handleFacebookAccessToken:" + accessToken)
 //obtener credenciales
 val credential=FacebookAuthProvider.getCredential(accessToken!!.token)
 firebaseAuth!!.signInWithCredential(credential!!)
 .addOnSuccessListener(this) result->
 val logged_Email= result.user.email
 // val logged_Activity=Intent(this@MainActivity, WelcomeUser::class.java)
 Toast.makeText(this, "ENTRÓ AQUÍ"+logged_Email, Toast.LENGTH_LONG).show()

 
 .addOnFailureListener(this) e->
 Toast.makeText(this, ""+e.message, Toast.LENGTH_LONG).show()
 


 
 override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) 
 super.onActivityResult(requestCode, resultCode, data)
 if (requestCode==RC_SIGN_IN)
 // val task: Task<GoogleSignInAccount> = GoogleSignIn.getSignedInAccountFromIntent(data)

 val result=Auth.GoogleSignInApi.getSignInResultFromIntent(data)
 if(result.isSuccess)
 val account=result.signInAccount
 val idToken= account!!.idToken

 val credential=GoogleAuthProvider.getCredential(idToken,null)
 firebaseAuthWithGoogle(credential)
 // onStart()
 val intento1 = Intent(this, WelcomeUser::class.java)
 startActivity(intento1)

 
 //this is Facebook part
 callbackManager!!.onActivityResult(resultCode, resultCode, data )