Hello everyone, I’m writing this post to to add value to one of my existing posts. That is MVVM pattern with ReactiveUI and Xamarin.Forms . Do you remember it ❓ No ❓ then you should go look read it, Yes ❓ then read this one carefully cause I’ll make good additions to it. Now let’s see ReactiveCommand OAPH. What are the amelioration […]
Hello Friends, If you have been building Xamarin.Forms applications, you surely have noticed that the ListView is one of the controls you will use most often. The ListView has several functionalities and serves primarily in displaying a list of data. Taking this into consideration, you will notice that data displayed on list views need to provide […]
Resolve image loading error in Xamarin Forms Hello everyone, I had an issue in my Xamarin.Forms project a while ago. The Issue was I could not load images from URLs into my Xamarin.Forms application. I was quite annoying, since on UWP, it loaded seamlessly. I tried using this cool plugin to load images in a better way, […]
Make your Xamarin.Forms layout responsive. Hi everyone, I’m sure most of you reading this have already felt the need of making your Xamarin.Forms application adapt according to screen sizes on various devices like tablet, or most especially when your app is running on a PC with UWP. Well, I’m sure this is very common especially […]
Make your Xamarin.Forms app Multilingual Automagically ✨? Hi everyone, Imagine you could translate your existing cross platform mobile application into more than 20 different languages just by a few mouse clicks and have these languages automatically displayed on the user interface depending on which language the user’s device is running on. I was looking for […]
Building a Cross Platform MVVM app with ReactiveUI and Xamarin.Forms. 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 […]
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 it on your mobile device. Most of the knowledge I used in building this sample is gotten from this documentation.
Here is the code for this app.
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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:
1 | var embeddedImage = new Image { Source = ImageSource.FromResource("ImagesProj.beach.jpg") }; |
I succeeded in adding images into my Xamarin.Forms projects using this method a while ago on earlier versions of Xamarin.Forms. But recently, I got an issue when trying this again on Xamarin.Forms 2.5.0.280555 and .Net standard 2.0 as my shared project. This issue was System.Reflection.TargetException. This was a pain in the ?. But, it wasn’t that difficult to resolve.
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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 with all the tools which are available to us right now, it is a lot more simple than what you may think.
After making a few researches on the internet, I succeeded in implementing this functionality in the Android app which I was building, and here is an app which has just that functionality.
The source code for this app is found here
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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 our case, the client will be a Xamarin.Forms app. (meaning your bot can be available on iOS, UWP, Android… and also Facebook, Skype Telegram…) This means you can be everywhere with just a bit of code and this is Awesome!
Our main objective in this tutorial is to build a simple Xamarin.Forms application which will communicate with an already existing chat bot (built with the Botframework and hosted on Azure). All that using the MVVM design pattern.
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