ToolbarItems in Xamarin Forms

A interesting Xamarin Forms feature well hidden inside documentation is that Page class exposes a collection of ToolbarItems. a ToolbarItem is an element that renders a “menu” on each platform letting you add elements like Menu on Android/iOS or ApplicationBar/MenuItems in…

UserControls in Xamarin Forms

While Xamarin Forms have a rich set of controls (a.k.a. Views in Xamarin documentation) sometimes you need to create something that is an aggregate of existing controls plus custom logic. For this requirement the Windows platform provides you a UserControl that is a surface…

Declarative event handlers in Xamarin Android

In Android applications the UI components are totally isolated from associated activity so to ‘glue’ them you need to follow a ‘javascript like’ approach: find the element fist and then interact with it. Let’s say you have a .axml file containing a…

Add “intellisense” to Xamarin .axml files

When you manually edit .axml files inside Visual Studio 2013 you don’t have any minimal intellisense support, and, as Visual Studio user, you know how frustrating is typing without any kind of help.

TranslateTo issue with Xamarin Forms 1.2.3

This Xamarin Forms snippets shifts a button left when clicked and restores it back when dialog is dismissed.

public static Page CreateMainPage3()
  {
   StackLayout container = new StackLayout() { Orientation =…

Xamarin.Forms.Behaviors v.1.1.0

I’ve pushed an update to Xamarin.Forms.Behaviors library, fixed some bugs and added Relative Commanding to EventToCommand Behavior.

What is Relative Commanding?

Application wide resources in Xamarin Forms

Xamarin Form’s XAML infrastructure is very similar to Windows counterpart (and I thank Xamarin for that!) unfortunately in current version a feature is not there yet: Application wide resources that is resources that are shared among all application…

The tale of a GridViewItem customization

Once upon a time, in a galaxy not so far away, there was a guy (me

) who was working on a Windows Store 8.1 application and was asked to create a GridView whose items should look like this picture: