I'm trying to implement Facebook login on the Android app. You can create a login button and log out You save a DB containing membership information for membership management.
How do you save the information of the person who signed up by pressing the Facebook login button in DB?
I don't think I need an ID or password, but I don't know how to distinguish it.
android facebook
To use Facebook login, you need to register the app on Facebook. By default, we provide a list of number IDs, e-mails, names, profile images, and friends who use the app.
Email is subject to change, so it's not suitable to use it to distinguish users, so it's better to use a numeric ID to distinguish users.
In order to get information other than this, you need to get an app review on Facebook. You need to go through a review similar to the Apple App Store review.
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