Xamarin forms C# Database and payment

Hello all,

I'm developing cross-platform "Android/iOS" mobile application using Xamarin and pure c#,

I require the following features.

*Feature 1*

1- one registartion button using email/name and phone number

2- Any backend database can be used "Firebase is prefered" but it both android and iOS should use only one database

3- The database should store 7 entries for each user

4- The following checks should be done on the 7 Database entries "Means all the entries should be saved to the database"

entrie 1 -> Name should be unique

entrie 2 -> Email should be valid email "contain @ and .com"

entrie 3 -> Password should be atleast 8 char long any charachters or number or special signs

entrie 4 -> Should be intger and between 1-1000 integer means 1,2,3,4.......1000.

entrie 5 -> should be dynamic length 1D integer array. its length equals to entrie 4. example entrie 4 equals to 456 then entrie 5 should be integer array[456]

entrie 6 -> should contain string with fixed length of 4 charachters which means only 4 charachters are allowed.

entrie 7 -> Is Boolean True/False

all the 7 entries should be gathered as folowing

entrie 1 -> Text Box

entrie 2 -> Text Box

entrie 3 -> Password Text Box

entrie 4 -> Text Box that allowes integer numbers only

entrie 5 -> A totally new form that has Text box and one button and counter that allows the user to enter the number and click the button untill he fills the whole array.

entrie 6 -> Text Box

entrie 7 -> Check Box

*Feature 2*

1- Payment through Google pay and Apple pay

2- payment should be done by button.

3- All the payment data are as following


("pa", "email is from entrie 2")

("pn", "Name is from entrie 2")

("pn", "Data in entrie 6")

("mc", "0000")

("tr", TransactionID is random generated number)

("tn", "InAppbuy")

("am", "Amount from text box")

("cu", "Currency is fixed USD")



There are 7 Xamarin basic forms

Form 1-> Login "Email or phone and password"

Form 2-> Register "Name/Emal/Phone/Password"

Form 3-> Forget Password form "Reset password by email or phone"

Form 4-> To fill entries 4,6,7 and continue button

Form 5-> To fill entrie 5 by one text box and one button and one view box to view the current counter "Array index"

Next button

Next button is used to increment the array index and the user is allowed to continue filling untill it reach the max then the button name changes to continue

once continue is clicked it goes to form 6

Form 6-> to view all the 7 entries and continue button to go to form 7

form 7-> has one text box and button to buy

Навыки: Android, iOS Development, Программирование на C#, Xamarin, Разработка баз данных

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О работодателе:
( 1 отзыв ) Regensburg, Germany

ID проекта: #29673430



HI, Can do this in minimal time with good quality, I have 9 years of experience in xamarin, earlier i also have used firebase as backend Thanks & Regards, Jasmin

$90 USD за 1 день
(18 отзывов(-а))

6 фрилансеров(-а) готовы выполнить эту работу в среднем за $316


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$700 USD за 7 дней(-я)
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Greetings, do you need PayPal payment? I have 7+ years of experience on .Net technologies including ASP.net, Asp.Net Core, and SQL Server actually I completely have knowledge about website design and frontend framework Больше

$200 USD за 10 дней(-я)
(38 отзывов(-а))

Hello Sir , I am having 5+ Year of experience in Android ,IOS and Cross Platform(Xamarin development ) If you can give me chance to work with you Mobile Apps Portfolio Android Apps 1. [login to view URL] Больше

$500 USD за 30 дней(-я)
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Hello! I am Mario, full stack coder leveraging my background in Economics & Management to build more intuitive user experiences in 8 years. An experienced analytic and problem-solving skills honed during prior experien Больше

$155 USD за 7 дней(-я)
(2 отзывов(-а))

Hey, greetings I have gone through your project needs and would be greatful to work for you. I have 4years of Experience in web and Android development. You can have a look at some of my works:- https://www.jomalone.c Больше

$250 USD за 5 дней(-я)
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