Twitter provider with same email issue

[aviadmini]

• Android device: SGS6
• Android OS version: API 23
• Firebase/Play Services SDK version: 10.0.1
• FirebaseUI version: 1.0.1

Steps to reproduce:

1. Create an account with provider A (e.g. Google)
2. Try to create account with Twitter provider with same email
3. Crash

Observed Results:

• What happened? This could be a description, logcat output, etc.

E/AndroidRuntime: FATAL EXCEPTION: main Process: com.aviadmini.socnet, PID: 2258 java.lang.IllegalArgumentException: Given String is empty or null at com.google.android.gms.common.internal.zzac.zzdv(Unknown Source) at com.google.firebase.auth.FirebaseAuth.fetchProvidersForEmail(Unknown Source) at com.firebase.ui.auth.ui.idp.CredentialSignInHandler.onComplete(CredentialSignInHandler.java:74) at com.google.android.gms.tasks.zzc$1.run(Unknown Source) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7229) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)

Request user emails permission is turned on in Twitter settings

Expected Results:

• Expected to see the UI telling you have already used this email with Google

[SUPERCILEX]

@aviadmini Thanks for the bug report, this was fixed in #452 which will be available in FirebaseUI v1.1.0 coming soon!

[samtstern]

A fix for this issue has been released in version 1.1.0