It is very common that you want to manipulate the data while your application is running; change data on your server, or locally; do calculations; refresh the representation of your data; and allow your user to add items and update or delete an item. This is as easy as working with a collection type in C#.
In Visual Studio, go to the top menu and select File | New | Project. Choose the Blank App (Xamarin.Forms Portable) template, name it
XamFormsAddingRemovingItems
, and click OK.In this recipe, we demonstrate the pull-to-refresh feature added in Xamarin.Forms 1.4. Make sure you have updated the Xamarin.Forms NuGet package for the solution. To do this, right-click the solution and select Manage NuGet Packages for Solution, go to the Updates tab, check the Xamarin.Forms package, and click Install for the latest stable version.
Right-click the PCL, Add | Class…, name it
Character
, and click Add. Find next the abbreviated version of theCharacter...