Author Archives: Jesse Liberty

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About Jesse Liberty

Jesse Liberty has three decades of experience writing and delivering software projects and is the author of 2 dozen books and a couple dozen online courses. Liberty is a Senior AI Engineer at the University of Pittsburgh Medical Center, and was a Team Lead and Senior Software Engineer for various corporations, a Senior Technical Evangelist for Microsoft, a Distinguished Software Engineer for AT&T, a VP for Information Services for Citibank and a Software Architect for PBS. He is a 21 year Microsoft MVP.

Scroll To in Xamarin.Forms Grouping

In a recent blog-post I showed how to use the new Scroll To feature in Xamarin.Forms.  In this posting I’ll show how to go to a particular entry within a group and also how to go to a particular entry. … Continue reading →

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ScrollTo in Xamarin.Forms ListView

Today we tackle another new feature in 1.3: ScrollTo. This allows us to scroll to the beginning of a ListView or to the end or to a particular entry.  Let’s return to the grouping code we created here.  We’re going … Continue reading →

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Messaging in Xamarin.Forms

In recent posts I’ve discussed Styles and Triggers in Xamarin.Forms 1.3 (which is still in Community Preview).  Today I’ll discuss Messaging, which is critical when using MVVM. Publish and Subscribe Messaging in Xamarin.Forms implement the Publish and Subscribe pattern.  This … Continue reading →

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My Favorite Books of 2014

In 2014 I read (according to GoodReads) 47 Kindle books and (according to Audible) 101 audible books. This year I read zero books on paper. Here is my short list of the very best: Far from the Tree Ulysses What If? … Continue reading →

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Product Recommendation -SaneBox for Email

I don’t usually write about individual cool products, but if email is making you crazy this is a product you really want to check out.  It is called SaneBox and it separates your mail for you automagically into inbox, BuilkMail, View … Continue reading →

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Triggers in Xamarin.Forms 1.3

Yesterday, I wrote about one of the new features in Xamarin.Forms 1.3 (Technology Preview 2), Styles.  Today I’ll take a first look at Triggers. Triggers The key idea of Triggers is “When this happens, do that.” More specifically, “When this … Continue reading →

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Xamarin.Forms: Styles

Xamarin.Forms 1.3 is now available in Community Preview 2 (the final community preview before release).  While this is not a release version, it is close and worth taking a look at.  It offers three new killer features: Styles Triggers Behaviors … Continue reading →

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Xamarin.Forms – Groups and Jump Lists

My goal is to create a simple list of Employees with the employees grouped by the first letter of their name.  I’d also like to create a jump list to allow the user to jump to a particular letter in the list. … Continue reading →

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Using Mocks to test Xamarin

Many of us believe that Unit Testing is critical in any non-trivial programming.  But Unit Testing can be difficult, especially the use of fakes.  The most common fake is a Mock; unfortunately they are also the most confusing. There are a number … Continue reading →

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Xamarin.Forms And Resources

Often, there will be multiple views in your form that share the same values (e.g., font size, color, etc.).  There are a couple ways you can handle this: Create a resource dictionary and then refer to the resources using the … Continue reading →

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Yet Another Podcast #135 – Miguel de Icaza on Xamarin

Miguel de Icaza is one of the most respected technologists in the industry, known  for starting the Gnome and Mono projects.  He is the CTO and co-founder of Xamarin and a genuinely nice person.  Today we talk about Xamarin, Xamarin.Forms and mobile programming. … Continue reading →

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Get Insight into your Xamarin Application

Xamarin now offers a crash and analytics program that integrates beautifully into their applications, including Xamarin Forms.  It is very easy to get started, and in this article we’ll look at a very simple example… …There are a few boiler … Continue reading →

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