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Help me in 'Firebase download only new Data'

Hi,

I am developing a firebase android [login to view URL] my firebase database i have kept id for each data and i download data after sorting using that [login to view URL],using that id,don't need to download old datas,And while uploading i kept a counter which generates new [login to view URL] the problem is if two persons upload data at same time,both datas get same [login to view URL] how can i make firebase read-write system serializable?

I will pay you 500-1000 inr according to your service.

Please help me.I will be grateful if you even [login to view URL]'t worry about failure/review.I am very respectful to [login to view URL] in advance

Kĩ năng: Android, Mobile App Development, Google Firebase

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Về Bên Thuê:
( 3 nhận xét ) Patuakhali, Bangladesh

ID dự án: #29857995

6 freelancer chào giá trung bình ₹1045/giờ cho công việc này

nlhdung

Hi, I have 7+ years experience in Mobile Android/iOS application development with a lot of applications on Store. You can review my recent applications from my PORTFOLIO or at App Store link: [login to view URL] Thêm

₹1200 INR / giờ
(44 Nhận xét)
6.4
bayourshokan

Hello I have 5 years experience developing with firebase and i can surely help you out. kindly send a direct message and lets discuss further about it. thanks

₹833 INR / giờ
(21 Nhận xét)
3.6
navneetboghani

Hello, I do have proven 7+ years of experience in Mobile App Development also experience in Firebase authentication, Cloud Firestore, and API integration, Restful API, Third-Party API integration, Social media login, Thêm

₹1350 INR / giờ
(8 Nhận xét)
3.8
bhagawatilalpati

Hello, I have gone through all the requirements stated and have understood well the key specifications asked by you.I will fix your issues in given time interval. I am android developer with expertise. I will g Thêm

₹889 INR / giờ
(10 Nhận xét)
2.8
mirwisek

I've been using Firebase Firestore for 5 years. I'm not sure if you are talking about Realtime Database or Firestore. Please let me have a look in order to clarify

₹1000 INR / giờ
(1 Nhận xét)
0.4
AmirKhan9044

hello dear , i can resolve your problem, i have more than 3+ years of experience. msg me to discuss more details

₹1000 INR / giờ
(0 Nhận xét)
0.0