There is a known issue in the 1.0.0 release that can occur when using Facebook login with the optional Chrome Custom Tabs configuration and support library version 25.x. There is a fix being discussed in #396.
Some known workarounds:
- Do not use Chrome Custom tabs with Facebook login
- Downgrade your application to support libraries
24.x
If the above workarounds do not solve the issue, please chime in so we can further diagnose.