Cross-Platform C#


Looking Ahead to Xamarin.Forms 3.0

From performance improvements to new platforms, here’s a look at what’s coming down the road for Xamarin.Forms developers.

A Filtered View of Core Image

Playing around with Apple's Core Image imaging technology, using some simple C# code to perform facial recognition and apply filters to photos.

Track Your Fitness with a Fitbit and Xamarin

Wally shows you how to use Xamarin.iOS to create a pedometer app for a Fitbit that employs the CoreMotion Framework.

Visual Studio Mobile Center: A Better Way To Build Mobile Apps

Learn how Mobile Center helps you easily develop, build, test, distribute, and monitor your mobile apps.

Xamarin.Forms -- Caching for the ListView

Similar to the UITableView in iOS and ListView in Android, the XF version can be used to cache images for use in other locations of an application.

Getting Device-Specific When Customizing a Xamarin Forms App

Your Xamarin Forms App needs one more little tweak, and that's to make it device-specific, so users don't freak out. Unlike the Apple tweak, the Android tweak takes a bit of work.

You, Too, Can Build Xamarin Apps with F#

Let's break away from C# somewhat and learn how F# is a great fit for crafting mobile applications.

Deploy the Android 7 Multi-Window Mode via Xamarin

It's relatively simple to make use of the multi-window mode now that Xamarin supports it. Here's how.

Customizing a Xamarin Forms Application, Part 2

Last time, I created the app. This time, I take care of a few annoying but important issues with it, especially in the area of the user's experience with application connectivity.

Sez Who? Support for iOS 10 Speech Recognition in Xamarin

With Apple's update to its phone OS, we look at the support that Xamarin has for it by building a simple speech app.

Realities of Cross-Platform Development: How Platform-Specific Can You Go?

The goal of one tool for every platform isn't quite a reality yet, but you can get close. Here's what you can accomplish so far with Xamarin tools.

Composable Customizations with Xamarin.Forms

Learn how Xamarin.Forms Behaviors and Effects make it easy to customize your apps in ways you can reuse them across all of your apps.

How To Programmatically Customize iOS Keyboards with C#

Developers will always look to customize everything, and keyboards aren't out of bounds. Here's how to customize the iOS keyboard that pops up in your mobile apps to address any shortcomings.

Pressure Is On with 3D Touch in iOS Apps

Add pressure-based interactions in your apps in just a few minutes.

How To Drill Into Problems with Xamarin Insights

Here's a nifty tool that can help you get to the heart of issues in your mobile apps that aren't easy to track down.

Slimming iOS and Android Pics for Mobility

Pictures are worth a thousand words, and some can be storage-hungry, which can be bad for mobile apps and sites. Here's a trick for slimming them down.

Xamarin 4 Improvements: Worth Upgrading?

Like a mobile force, Xamarin 4 awakens. So upgrade now, especially if you're a Visual Studio developer and building apps for iOS.

Performance Profiling Your Xamarin Apps

Learn to measure the performance of your apps and ensure a great UX.

Events and the Xamarin MessagingCenter

Application code needs to raise events and respond to them. The MessagingCenter makes this whole process much simpler than standard .NET events.

What's in iOS 9 for C# Developers?

A high-level look at some of the more interesting features of the newest Apple mobile OS that can trip up C# developers making apps for it.

Native Services with Xamarin.Forms? It's DependencyService to the Rescue

Sometimes you need to make platform-specific calls. That's where DependencyService comes in handy.

Create Modern Android Apps with the Design Support Library

It's now easier than ever to create polished Android experiences. Greg Shackles shows how using Google's new Material Design style.

Data Binding a Custom Cell in Xamarin.Forms ListView

The ListView in Xamarin.Forms has a lot of options, and the ability to use a custom cell is one of the more useful features.

Navigation with Xamarin Forms

Xamarin Forms makes the hard work of navigation in apps from device to device a much simpler developer proposition. Here's what I've learned so far.

Developing Your First Apple Watch App

Learn how to get started writing apps for your wrist!

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