The sample application shall be written in C# using the Xamarin Forms framework.
• The application must contain at least one platform specific API (not using Xamarin Essentials) used in the Forms Core project.
• The application must contain at least one example of each of the following: Renderer, Converter, Effect, Behavior
Design Requirements
The sample app should contain a minimum of two pages: a list page providing a sortable,
filterable and interactable collection of some data, and a details page which will display all
of the data for a selected cell.
This App was developer in xamarin; ssenger attached Programming Problem
Provide a production ready solution that accepts a new user name, validates a single string input as the password, and
stores it locally. The solution should be written in C#/Xamarin with native UI (Android or iOS, your choice, not Xamarin
Forms)
UI requirements:
1. The UI should have at least a page that is a list of users and their information.
2. The UI should have the ability to add a new user, which brings up a new screen, and then appends that user to the
bottom of the list view.
3. Alert the user if their passwords are invalid either on submission or real time.
The following are the string validations:
The following are the string validations:
1. String must consist of a mixture of letters and numerical digits only, with at least one of each.
2. String must be between 5 and 12 characters in length.
3. String must not contain any sequence of characters immediately followed by the same sequence
Disponible en la Tienda de App Store Android
Usuario: Admin / Password:admin
This App was developer in xamarin; ssenger attached Through this app, you will collect information from the modules captured in the ERP, which are billing, purchase orders, balances in banks, value of your inventory, graphs of expenses and income. Collect and display: Collect information from the modules used in the ERP-INTELLIGENT of warehouses, project control, billing, sales, Payroll, etc. Visualize and display: The information requested by the director of the company, Income and Expenses of the modules configured by the administrator of the app, for decision making Validation and Authorization: Performs validations according to modules configurable by the user, for example, validation and authorization of purchase orders. Through this app, you will collect information from the modules captured in the ERP, which are billing, purchase orders, balances in banks, value of your inventory, graphs of expenses and income. Collect and display: Collect information from the modules used in the ERP-INTELLIGENT of warehouses, project control, billing, sales, Payroll, etc. Visualize and display: The information requested by the director of the company, Income and Expenses of the modules configured by the administrator of the app, for decision making Validation and Authorization: Performs validations according to modules configurable by the user, for example, validation and authorization of purchase orders.

https://www.jasorg.com/movilkanda.html
Usuario: Admin / Password:admin
Backend Elaborated con c#, en microsoft Visual Studio, Fast Report, Front End Development Xamarin, Flutter, Consumer of JSON, Database in Mysql Server and SQL Server according to customer needs, This application was developed for a company in the grocery industry in Mexico City, its objective is that everyone can buy their pantry online, cook, organize, simplify, schedule and save family expenses, all this with the help of controls and recipes that K'óoben will provide