I want a login page working with firebase phone auth and i want to check if the mobile number exists in firestore database before sending otp if exits send otp if not exists go to signup page here we will create a user document in firestore database with username , email , and phone number fields this is the database where we want to check for user existence.
19 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön
I am a professional mobile developer. Most of the time i used firebase for the database when developing mobile applications. I have lot of experience using firebase. I can do it for you.