Bøker av Johan Karlsson

Explore Xamarin.Forms to develop dynamic applicationsKey FeaturesExplore SQLite through Xamarin to store locations for various location-based applicationsMake a real-time serverless chat service by using Azure SignalR serviceBuild Augmented Reality application with the power of UrhoSharp together with ARKit and ARCore Book DescriptionXamarin.Forms is a lightweight cross-platform development toolkit for building applications with a rich user interface. In this book you'll start by building projects that explain the Xamarin.Forms ecosystem to get up and running with building cross-platform applications. We'll increase in difficulty throughout the projects, making you learn the nitty-gritty of Xamarin.Forms offerings. You'll gain insights into the architecture, how to arrange your app's design, where to begin developing, what pitfalls exist, and how to avoid them. The book contains seven real-world projects, to get you hands-on with building rich UIs and providing a truly cross-platform experience. It will also guide you on how to set up a machine for Xamarin app development. You'll build a simple to-do application that gets you going, then dive deep into building advanced apps such as messaging platform, games, and machine learning, to build a UI for an augmented reality project. By the end of the book, you'll be confident in building cross-platforms and fitting Xamarin.Forms toolkits in your app development. You'll be able to take the practice you get from this book to build applications that comply with your requirements. What you will learnSet up a machine for Xamarin developmentGet to know about MVVM and data bindings in Xamarin.FormsUnderstand how to use custom renderers to gain platform-specific accessDiscover Geolocation services through Xamarin EssentialsCreate an abstraction of ARKit and ARCore to expose as a single API for the game Learn how to train a model for imageclassification with Azure Cognitive ServicesWho this book is forThis book is for mobile application developers who want to start building native mobile apps using the powerful Xamarin.Forms and C#. Working knowledge of C#, .NET, and Visual Studio is required.

Ripples in the winds is a fantasy novel that is as much about what it is to live a life as it is about telling a gripping and fantastic story.In this fantasy story, there are dream worlds, destructive magic and strange beings and mythical forces that use humans in often frightening ways. In the novel, we meet Ruf, a young man who struggles with insecurity and sleepless nights, but who in mountain climbing finds peace and freedom, until one day he finds a strange hole in the floor of a cave and is struck with inexplicable existential fear. He and a group of ordinary and unusual characters are drawn into a frightening and strange course of events where promises are mixed with threats and feeling lost and confused is often the reasonable reaction. Those who are drawn in struggle both against a looming threat and with their place in the world, as well as with their relationships to each other.

Xamarin.Forms Projects is a project-based guide that enables you to build effective mobile applications from the ground up using seven real-world examples. Starting with simpler projects to help you get up and running with the framework, the book explores all the components of Xamarin.Forms and takes you through to building complex projects ...