How to upload images to an ASP NET Core REST service with Xamarin.Forms

With this blog post we continue the exploration of Xamarin.Forms. We’ll se how to upload a picture to a RESTful service developed with ASP.NET Core. You can download the entire solution of this example here. Server side (ASP.Net Core) To create a REST service we create an ASP.NET Core Web Application project. We select .NET…… Continue reading How to upload images to an ASP NET Core REST service with Xamarin.Forms

Agile@School – quarta lezione

La settimana scorsa si è compiuto il quarto incontro di laboratorio di Agile@School + Xamarin all’IIS Viola/Marchesini di Rovigo. Purtroppo l’affluenza in questa lezione è stata molto bassa a causa di alcuni impegni personali di molti studenti. Hello Xamarin! Dopo un po’ di lezioni propedeutiche e su altre tematiche, finalmente i ragazzi hanno messo mano…… Continue reading Agile@School – quarta lezione

WPF Prism concepts: regions

If you are a developer in the Microsoft environment and if you’re developing desktop apps, it’s likely that you’ve read something about Prism.  If you don’t then this is what Prism is about: Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Windows 10 UWP, and Xamarin Forms. (from…… Continue reading WPF Prism concepts: regions

Prism UWP for beginners: events

In this post we explore another major component of Prism: the EventAggregator. The Prism library provides an event mechanism to communicate between loosely coupled components in the application. Using .NET Framework events is the most straightforward approach for communication between components if loose coupling is not a requirement. Events in the .NET Framework implement the…… Continue reading Prism UWP for beginners: events

Prism UWP for beginners: navigation

In this post we’ll talk about the navigation with Prism in UWP. With navigation I mean the technique to go from one page to another of your app. The operation in UWP/XAML is tipically performed with the Frame class that’s available only in the code-behind of a Page because it inherits from Frame. This way…… Continue reading Prism UWP for beginners: navigation

Prism UWP for beginners: setup

I want to learn Prism because it may be helpful in some future projects of my company. To better understand how it works I need a target. I’d like to create a simple UWP app that displays my Twitter timeline and the local weather based on the GPS. Prism will help me to adopt the MVVM architeture and IoC/DI concepts.