Category: Development

Enable and control iOS 11 Large Titles in Xamarin.Forms

With iOS 11, Apple introduced a bunch of new design elements to its mobile platform. One of them are larger titles, that sit in the Navigation Bar and can be scrolled away when more space is needed. Large Titles… Read More

Swipecards: A Tinder-like swipe control for Xamarin.Forms

For a side-project of mine, I created a Xamarin.Forms control, that lets the user wipe away cards in different directions, similar to the popular Tinder app. The control is still work in progress and will be extended over… Read More

Replace your old cronjobs with free Azure Functions within 5 minutes

For some of my older projects, I had some repetitive tasks where a simple job triggers a script to run and load some data from the web. For this, I used good old cronjobs like the ones cronjob.de offers…. Read More

Free self-guided Xamarin workshop

Two days ago, I gave a Xamarin workshop at the Microsoft Technical Summit 2016 conference in Darmstadt (Germany). This was a full-day workshop with a Xamarin introduction at the beginning and a guided workshop experience, where the participants… Read More

Move your Xamarin.Forms Toolbar to the bottom on Windows

While iOS and Android typically have their toolbars and menus at the top of the page, on Windows you will find it at the bottom in most cases. Unfortunately, Xamarin.Forms renders all toolbar to the top of the… Read More

Different ways to register devices to the Azure IoT Hub

The Azure IoT Hub is Microsoft’s Internet of Things solution in the cloud. Beside the common event message endpoints, it contains a device management system, which allows to register and manage devices that may send data to the IoT Hub. This… Read More

Manually connect and send data to an Azure Event Hub

Update 04.02.2017: As the Microsoft.Azure.EventHubs NuGet package since two days finally support every .NET platform, this post go obsolete. Azure Event Hubs provide a neat way to collect loads of data that is pushed against them and holds it… Read More

How to upload your UWP app to HockeyApp right

HockeyApp provides a neat and easy to use service for developers to provide apps to their testers and track anonymous usage data, crashes and feedback. As the Windows 10 (UWP) support is still in preview, the documentation on… Read More

Analyze a photo with Microsoft’s Cognitive Services Vision API on Xamarin.Android

Microsoft’s Cognitive Services are intelligent machine trained APIs that analyzed text, images, videos and more for you in the cloud and sends you back meta information about the provided content. They are free to use until a specific threshold… Read More

How to install an UWP app distributed with HockeyApp

The HockeyApp platform is one of the most popular ways of distributing pre-release software to testers and collect their anonymous usage data, crashes and feedback. As it is quite easy to install Android or iOS apps on your… Read More