Get user information in Crashlytics

I am not sure if it needs to be done every time you launch the app and the Crashlytics docs don't explicitly say it neither.

I know that we do it with every launch and it works - provided user info is displayed properly in the dashboard.

My suggestion would be to try send this information every time you initalize Crashlytics with Fabric.with(this, new Crashlytics());, as soon as you have your user data provided (for example after fetching his user profile from your server).

You need to select the issue, click in more details and at the top right corner you can see a label with Identifier.

You need to set it every time you initialise the Crashlytics. At least doing this it works.