Author Archives: Jesse Liberty
52 Weeks of Xamarin: Week 11 – Customized Controls for Xamarin.Forms
Xamarin.Forms is a killer framework, and it has a wide variety of very flexible controls. But sometimes you run into restrictions on the control that you really need to override. The answer to this dilemma is to create a customized … Continue reading
52 Weeks of Xamarin: Week 10 – The UI for our database program
Last week we created the code to add and find a “person” in our SQLite database. This week we’ll finish up by creating the View and the ViewModel. The View is where most of the action is, in this small demo … Continue reading
52 Weeks of Xamarin: Week 9 – Databases part 1
Working with SQLite as your database in Xamarin.Forms is not difficult but it does involve some specific steps: Add the SQLite-.Net PCL library to all three projects Create the ISQLite interface Add a singleton to your app class Open your … Continue reading
Posted in Xamarin
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52 Weeks of Xamarin: Week 8 – Testing the View Model
Until now, our tests have focused on the model, Projects. The point of MVVM, however, is to enable sufficient separation of concerns to allow testing of the program’s logic in the ViewModel. Today, we turn to ViewModel tests, using these tests … Continue reading
52 Weeks of Xamarin: Week 7 – First Unit Tests
In the previous posting, I set up the ProjectTracker solution, including the xUnit testing folders. We talk a lot about test-driven design, but the truth is that we (most of us?) start with an overall architecture in mind prior … Continue reading
52 Weeks of Xamarin: Week 6 – Starting xUnit Testing
Last week we decided to start with test-first development using XUnit. To get underway, let’s create a new Xamarin.Forms application called BlogProjectTracker. Once the projects are created we’ll return to the solution and add a new .NET project of type Portable Library … Continue reading
Posted in Essentials, Xamarin
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Newest Pluralsight Course: Beginning Mobile Development with Xamarin
Incredibly excited to announce my latest Pluralsight Course: Beginning Mobile Development with Xamarin. In this course, you will build a real-world application three times, using three different Xamarin platforms, giving you tremendous insight into how Xamarin programs are created and … Continue reading
What Languages Have You Learned?
I started programming in 1971, but didn’t much like it and didn’t start professional programming until 1985. I’d be very interested in when you started, and what languages you used since then (languages you used to write something meaningful) Here is … Continue reading
Posted in Essentials
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52 Weeks of Xamarin: Week 5 – Diving in the deep end
For the past four weeks, we’ve been reviewing the fundamentals of Xamarin. Let’s stop for a bit and talk about how we really code, and how we should. In my Pluralsight courses, I take you through each skill, step by … Continue reading
Posted in Essentials
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52 Weeks of Xamarin: Week 4 – Creating the Model and Saving
This week we’ll save the Tasks in memory, in coming weeks we’ll review databinding and we’ll review the tasks in a bound list. NB: We’re moving very quickly through the preliminaries, so please do use the comments to ask questions … Continue reading
FalafelCon with TWO Free Workshops??
Zero hype. Free means free. Sign up for FalafelCon (Monterey, September 14-17) and you not only get full admission to all of FalafelCon and all of TechIntersection, but under this special deal you get the IOT workshop by Doug Seven ( all … Continue reading
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Yet Another Podcast #141: Greg Shackles on Xamarin
This week, Greg Shackles: mobile expert and Xamarin MVP; host of Gone Mobile Podcast. NYC Mobile .NET Developers Gone Mobile Olo Xamarin Evolve 2014: Using Continuous Integration with Xamarin Apps MvvmCross fastlane xUnit Listen | Yet Another Podcast