title: Xamarin Detect Programatic Change of Text Field
body: <p>In Xamarin, I need to detect a programatic change of a text field. The <code>.valueChanged()</code> only works when the end user changes the value. I need a way of calling a method when the value is changed by a method which I don't have access to. It appears that this might be possible with an observer, but I can't find any information regarding how to implement it for this.</p>