Latest Posts

Using the new iOS 10 UserNotification framework in Xamarin.iOS

Apple introduced a new notification api in iOS 10 that allows for a much richer experience. These new notifications allow further customizations such as adding images and gifs to your local and remote notifications. The UserNotification framework replaces the previous notification system, and unifies app notifications for Apple's different OS's. In this article we'll take a look at using the new framework with Xuni FlexChart in Xamarin.iOS.

January 20, 2017

Getting Started with Xuni and Visual Studio for Mac

This article walks you through how to use Xuni with Visual Studio for Mac by adding a Radial Gauge to a simple Xamarin.Forms application.

December 12, 2016

Adding a Share Button to a Xamarin.iOS App

Many months back, we visited the topic of adding a share button in Objective-C to your iOS app. Being able to share data easily is important to many types of Apps. As Xamarin has gained traction and become more broadly used, it makes sense to revisit this topic from the perspective of a Xamarin.iOS developer. In this article, we’ll cover the highlights of implementing a share button in a small Xamarin.iOS app.

December 1, 2016

How to use a hardware keyboard with FlexGrid

Xuni 2016 v3 added support for using hardware keyboards with FlexGrid. In this article we take a deeper look at how this feature works.

November 29, 2016

What's new in 2016 v3

The new Xuni includes a number of enhancements and fixes across Xamarin, iOS, and Android. This article takes a look at what new features are a part of the Xuni 2016 v3 release.

November 17, 2016

Visual Studio for Mac

Today at Microsoft's Connect event, Microsoft finally announced the long unthinkable version of Visual Studio for Mac. While this may seem like a major change on the surface, a closer look quickly reveals that Visual Studio for Mac is an updated and rebranded version of Xamarin Studio. There are new features included in this release though, and in a broader sense it signals a more open Microsoft.

November 16, 2016

How to use Speech Recognition with Xamarin.iOS

Apple has introduced a few interesting new features in the iOS 10 APIs for working with speech including a new Speech API and SiriKit. The Speech API especially provides a compelling way to incorporate speech recognition into your application. Xamarin has ported all of these new APIs to their platform giving you the ability to try these new features our and incorporate them into your app. In this article we'll examine how you can integrate speech recognition into your Xamarin.iOS application by guiding you through creating a speech driven FlexGrid with the ability to filter based on a spoken word.

October 18, 2016

How to add Custom UIViews to an iOS FlexGrid using NativeControlGridCellFactory

Xuni 2016 v2.5 introduces an easier mechanism for embedding custom UIViews into your FlexGrid cells. This article explains how to use NativeControlGridCellFactory to create this type of custom cell.

September 20, 2016

How to use the GrapeCity License Manager Add in

This blog explains how you can use Xuni 2016 v2.5 with the GrapeCity License Manager Visual Studio add in to license your Xamarin solutions.

September 13, 2016

How to implement keyboard shortcuts for FlexGrid iOS

Controls can often benefit from implementing keyboard shortcuts to make a user’s life much easier by providing convenient way to enter text and navigate. In this article we’ll take a look at using the UIKeyCommand class to implement keyboard shortcuts for an iOS FlexGrid.

August 4, 2016

Adding autocomplete text using Xuni iOS AutoComplete

We recently introduced a number of new input controls in the 2016v2 Xuni release. In this article we’ll examine how you can use the Xuni AutoComplete control to improve your iOS apps.

July 28, 2016

Xuni 2016 v2 Release – See What’s New

The highlight of this release is our collection of cross-platform input controls in the new Xuni.Input library. We’ve also made some nice improvements to FlexGrid and Calendar in this release including multi-line headers and a decade view.

July 20, 2016

Getting Started with Xuni iOS and Xcode

In this blog we'll walk through getting started using Xuni iOS in Xcode, from downloading Xuni to building your first iOS app.

June 21, 2016

How to Implement a Long Press Gesture for Xuni FlexGrid iOS

This article examines how you can use a UILongPressGestureRecognizer to add a long press gesture to a UIView derived control such as FlexGrid. Using a long press gesture, we'll add a "peeking" function to the row details sections.

May 31, 2016

A Deep Look at the New Xuni Calendar Control

The Xuni Calendar control provides multiple date selection with month and year views. It includes built-in navigation, animation and globalization so you can get up and running very quickly. You can customize the appearance and the selection behavior to fit your requirements.

March 25, 2016

Changes to Xuni Control Delegates and C# Event Signatures

The new 2016v1 release has made a few changes to the native iOS control delegates to provide some improved behaviors when dealing with multiple instantiations of the same control type, and to give the controls better support for the C# style events available in Xamarin.iOS.

March 24, 2016

Adding a Share Button to an Objective-C iOS App

Xuni gives you the ability to turn your chart or gauge control into an image using the getImage method, but you may wonder how you can easily share this with others. Apple provides some tools to for this purpose not only gives you easy access to any available sharing options (Mail, Message, Facebook, etc.), but also gives you the ability to quickly save and print your data visualization. In this article, we'll cover the highlights of implementing a sharing button in a small iOS app.

February 18, 2016

Getting Started with Xuni and Xamarin.iOS

If you're evaluating or just getting started using Xuni in a Xamarin.iOS app then start right here. This blog post gives you the inside scoop to everything available to you to get up and running with Xuni and Xamarin.iOS.

February 16, 2016

Creating a Xamarin Bindings Library for a Custom iOS Control

Xamarin seems to magically allow C# developers the opportunity to create native mobile apps with familiar tools, and you may be wondering how does it really work? Xamarin produces native apps, but how exactly does a native control interact with your C# code? This article will shed some light on those questions by showing how to make a custom native control accessible through Xamarin.iOS and all of the intermediary steps involved.

February 9, 2016

Using iOS Frameworks in Xcode's Interface Builder

If you've ever wished you could use a third-party framework in XCode's interface builder, you'll be glad to know there's a workaround for enabling some of this functionality. Sometimes it's much easier to do all of the layout and positioning in storyboards using constraints and autolayout. Sure, you can create a view and set the custom class via the identity inspector, but you're essentially stuck with a blank view in the designer that you'll have to fully configure in code. There is a workaround for this though, and a mechanism to add in some of the interface builder functionality that third party frameworks often lack.

January 28, 2016

Project Islandwood: Testing the Windows Bridge for iOS

Many months ago Microsoft announced their intention to enable iOS developers the ability to use their objective C code inside a Windows 10 application using a tool dubbed Project Islandwood. News on the progress of the tool was quiet for a few months, but back in August Microsoft went ahead and released the opensource project to GitHub as the Windows Bridge for iOS. I was quite curious to try this tool out to see how well it worked, what the projects looked, and experience the novelty of looking at objective-c code in Visual Studio. After spending some time playing with it I wanted to share some of my experiences working with it.

January 21, 2016

Creating a Custom iOS Checkbox Control in Objective-C

What actually goes into creating a custom control? This article is meant to answer some of that question by providing a walkthrough for creating a simple iOS control. We'll focus on creating a custom iOS checkbox control, and demonstrate the necessary steps to make the control usable in the Xcode designer and your application.

January 14, 2016

An Experiment: Using Xuni in tvOS with the new AppleTV

The new AppleTV comes packed with a new tvOS (which is similar to iOS) that allows developers to build apps to target the new devices AppStore. I thought it would be an interesting experiment to see whether the current version of Xuni iOS would work in this environment and document some of the process.

December 22, 2015