FirebaseUI-Android
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Email Authentication - No check if new/existing email address
When selecting Email Authentication is new version 9.0.0, there is a sign-up and sign-in button.
Bugs:
- It is possible to select sign-up after entering an existing email address
- It is possible to select sign-in after entering a non-existing email address.
@JoniGoos Thanks for reporting. Due to the new Email enumeration protection we no longer have a way to check whether an email address exists or not. So we decided to show both buttons in the UI.
Although we could probably show a button to kick off the sign up flow, for a better user experience. For example: