To reproduce the bug, first run the docker-compose up command to start the Keycloak server.
Then start an android emulator and install this Expo Dev Build on it or build your own from the code in the mobile directory and install that.
Then run the npx expo start -a command to start the Expo app.
Then try to login by tapping the login button. You should see the Keycloak login screen, switch to registration and create an account. Then the app will crash as it redirects.