Book Image

Mastering Xamarin UI Development - Second Edition

By : Steven F. Daniel
Book Image

Mastering Xamarin UI Development - Second Edition

By: Steven F. Daniel

Overview of this book

This book will provide you with the knowledge and practical skills that are required to develop real-world Xamarin and Xamarin.Forms applications. You’ll learn how to create native Android app that will interact with the device camera and photo gallery, and then create a native iOS sliding tiles game. You will learn how to implement complex UI layouts and create customizable control elements based on the platform, using XAML and C# 7 code to interact with control elements within your XAML ContentPages. You’ll learn how to add location-based features by to your apps by creating a LocationService class and using the Xam.Plugin.Geolocator cross-platform library, that will be used to obtain the current device location. Next, you’ll learn how to work with and implement animations and visual effects within your UI using the PlatformEffects API, using C# code. At the end of this book, you’ll learn how to integrate Microsoft Azure App Services and use the Twitter APIs within your app. You will work with the Razor Templating Engine to build a book library HTML5 solution that will use a SQLite.net library to store, update, retrieve, and delete information within a local SQLite database. Finally, you will learn how to write unit tests using the NUnit and UITest frameworks.
Table of Contents (15 chapters)

Understanding the Xamarin.Forms Navigation API

In this section, we will take a look at the Xamarin.Forms Navigation API architectural pattern, as well as gain an understanding of the different types of navigation patterns that are available for us. The Xamarin.Forms Navigation API is exposed through the Xamarin.Forms.INavigation interface, and is implemented by using the Navigation property. This can be called from any Xamarin.Forms object, typically from the Xamarin.Forms.Page, which inherits from the ContentPage class that is part of the Xamarin.Forms.Core assembly namespace.

The Xamarin.Forms Navigation API supports two different types of navigation: Hierarchical and Modal. The following table provides a brief description of what each area is used for:

Type

Description

Hierarchical

The Hierarchical navigation type is basically a stack-based navigation pattern that...