[BOOK] Xamarin.Forms Essentials

Xamarin.Forms Essentials Featured Image

I’m back! As you may have noticed, I have been away for a little while with no new blogs or vlogs. But with good reason, and it’s called Xamarin.Forms Essentials! I have moved into a new home! But probably more important to you; I have been working on a new book as well and I’d … Read more

Implementing value converters with IValueConverter for Xamarin.Forms

Value Converters Featured Image

When using Xamarin.Forms and the MVVM pattern within your app, at some point you are going to run into a problem. The problem is that you want to bind to a value that is not the right type. For example, you want to bind some enum value to the text color. This can easily be … Read more

Keeping DRY with PropertyChanged.Fody for Xamarin.Forms

If you have worked with MVVM and/or data-binding before, there is a good chance that you are very familiar with the INotifyPropertyChanged interface. With this interface you can invoke an event whenever a value of a property has changed. The view notices this change, because of this event and updates the UI accordingly. While this … Read more

have i been pwned? Xamarin.Forms app

The past few weeks I have been busy creating a new app based on the haveibeenpwned.com API. And it is ready! What? The website haveibeenpwned.com is a website by security MVP Troy Hunt which focuses on data leaks, hacks and website breaches in all forms and shapes. While entering my usernames and passwords in there, I noticed there was … Read more

Beauty and the beast – Use MVVM to unleash inner beauty

Beauty and the Beast - MVVM explained

While your UI is very important (very, very important on mobile!) to your end-user, we must not forget that our project has to be maintainable and thus also has to be beautiful on the inside. This is something the MVVM pattern can help us with. There are numerous techniques and design-patterns to help us with that. … Read more