Make a login app using email/phone authentication through firebase.
Then he enters his pin to enter main activity.
Once user is registered, he sets up his profile.
For logged in user, use only pin authentication
HI there,
I have expertise android application developer, I have done many application from sketch in all fields. I also worked with firebase authentication in my last application. How can discuss further in details.
Thanks
hi my name is Ganesh i am android developer i had developed many android apps i had seen your requirement i can give you better results as per your requirement.
Dear sir,
I understand your requirement please give me the project I will complete the project within the time period.
I have more than 5 years of experience in Android App Development.
Please DM me.
Thanks regards!
Sir its a very simple work to do I already have a developed app with your requirement . I can easily do your job in a short time period , if you interested to work with me knock in chat and we can discuss.
I can make you this fully advanced authentication app, as I have the experience of making apps using firebase even I can provide you the access to store users info in Firestore.