Latest Posts

Creating a Xamarin.Forms Custom Renderer for a FlexGrid Cell Template

With the Xuni FlexGrid control you can create custom cells by defining a cell template. But there is a performance limitation with custom cells that contain layout controls. This blog post shows a full workaround implementation using a Xamarin.Forms custom renderer.

February 24, 2016

How to Create a Simple Xamarin.Forms Weather Application Using Xuni

Not too long ago, we introduced the native versions of Xuni with a pair of webinars that demonstrated using Xuni to create a simple weather application. Though we've covered creating this weather app natively on both iOS and Android, we haven't covered building the app (or using a web service) with Xamarin.Forms. In this article we'll fill in that blank by building a simple weather application example.

February 4, 2016

Let's Make Pie with Xamarin.Forms and Xuni

In this video tutorial I will show you how to improve the visualization of your data by turning a plain list of data into an interactive pie chart! I will start with a plain Xamarin.Forms app, some pie data and a Xuni NuGet library and through several easy steps produce a pie chart complete with pop-out slices, tooltips and even baked-in animation.

January 23, 2016

New ChartBuilder App: Save Charts to Your Phone or Tablet

ChartBuilder is a new app in the App Store, Google play and Windows Store that is built using Xamarin.Forms and Xuni FlexChart and FlexGrid. The app allows you to build and customize a chart and then save it as a picture to your phone or tablet.

January 19, 2016

How to Create a Custom Color Picker for Xamarin.Forms

In this blog post I provide a full sample that shows how to create a custom color picker control for Xamarin.Forms. This sample demonstrates the simplest kind of custom component that you could create in Xamarin.Forms before we dive into more complex controls later.

December 30, 2015

Customizing the FlexChart Axis Labels

There are several common ways you may want to customize the labels on both the X and Y axes of FlexChart. For instance, you may want the numeric values to be formatted like “$16,000” or “$16K”. You may also want to change the layout or color of the text, or replace it completely with an image. In this post I will rundown the full range of axis label customization from simple formatting to a complete replacement.

December 16, 2015

How to Proportionally Size Columns with FlexGrid (Star Sizing)

In this post I will discuss a useful feature we’ve added to FlexGrid known as star-sizing columns. Star-sizing is a proportional column sizing technique that enables FlexGrid to be used in more adaptive scenarios. If you’re going to use FlexGrid you should know how to take advantage of its star-sizing capabilities.

November 18, 2015

Adding Interactive Line Markers to FlexChart for Xamarin.Forms

In this post I will introduce the line marker feature specifically for Xamarin.Forms users. The line marker feature helps the user discover precise data values for a given position on the chart by dragging horizontal and/or vertical lines over the plot with an attached label.

November 16, 2015

Adding Tooltips, Labels and Markers to a Xamarin.Forms Chart

In this post I will show how you can quickly and effortlessly add tooltips and data labels to Xuni FlexChart. I will also give a preview of the new upcoming interactive line marker feature that will be part of the 2015 v3 release.

November 6, 2015

Create a Pie Chart with Interactive & Spinning Selection

Xuni FlexPie has built-in selection capabilities where the selected slice shows a thicker border and can explode out from the pie. Using tooltips rather than data labels help keep your visualization clean of clutter by only showing one slice’s data at a time. In this post I will cover the built-in selection feature of FlexPie and how it can be used to create a cool, interactive spinning pie where the label remains static to one edge of the app.

October 15, 2015

Update Animation Deep Dive

September 25, 2015

Updating Your Xamarin.Forms Projects to Xuni 2015 v2

Update your existing projects to use the latest NuGet packages with Xuni for Xamarin by identifying the platform in the name. Here's a walk-through of updating for Xuni for Xamarin projects.

August 21, 2015

How to Save an Image to a Device using ComponentOne and Xamarin.Forms

Use ComponentOne's new GetImage() method to capture an image as a byte array of a control in iOS, Android, and Windows Phone in Xamarin.Forms.

August 21, 2015

Xuni 2015 v2 Release - See What's New

The 2015 v2 release introduces two new mobile platforms: Xuni for iOS and Xuni for Android. Plus, we've added new controls and features to Xamarin.Forms. The specific platforms and features added are described in this post.

August 19, 2015

Xuni: First Release

February 19, 2015