MVVM Pattern with ReactiveUI and Xamarin.Forms

Building a Cross Platform MVVM app with Xamarin.Forms and ReactiveUI. Have you ever heard about Reactiveui ? or let’s first say Reactive Extensions (RX)?. If yes then you will be comfortable with the rest of this post, else let me just slightly introduce it to you. Reactive Extensions (RX) is a library which provides you a…

Raspberry pi Jam Camer

How we celebrated Raspberry Jam in Cameroon. On Saturday the 3rd March, my friends and I celebrated for the first time in central Africa, the Raspberry pi’s birthday (Raspberry pi Jam). This was at the occasion of Raspberry pi’s 6th birthday. The event took place at Nsimeyong in Yaoundé and started at 9am prompt. Be…

Getting started with Windows 10 iot Core

Hi, everyone. Tomorrow we will be celebrating Raspberry Pi’s 6th birthday. This event will be the first Raspberry pi celebration in my country. So I decided to format the Raspbian O.S which I had on my raspberry pi to try something new for this occasion. The thing new I tried was Windows 10 IOT core.

Android camera app with Xamarin.Android

Hi everyone. A few days ago I was willing to implement camera functionalities in my Xamarin.Android application, as usual I went around to get info how to implement this on the internet, and here is a small sample which demonstrate how to build a simple camera app with Xamarin.Android which captures an image and saves…

Xamarin.Forms Resolving System.Reflection.TargetException

Setting an image in your Xamarin.Forms project is easily done when setting the image as embedded resource since instead of having a copy of the image in each application‘s file structure the image file is embedded in the assembly as a resource. According to this documentation, it is done easily as follows: var embeddedImage = new…

Build a smart Android app with LUIS and Xamarin Android

Xamarin.Android Natural language processing android app with LUIS Hi everyone, I was working on an android project which required NLP (Natural Language Processing) for interpreting a set of vocal commands in a smart way (AI, a little bit like Cortana, Alexa…). This may seem a little bit difficult from the first point of view but…

Build a cross platform mobile app for your chat bot.

Xamarin.Forms + Bot Framework + MVVM With Microsoft’s Botframework, you can build a chat bot which runs on several platforms (Social media, websites…). Now think about Xamarin.Forms with it, you can build apps which run on several platforms too (iOS, Android, UWP…). Thanks to the DirectLineClient, we can build custom clients for our bots. In…