In this chapter, we looked into how to take advantage of the loosely coupled architecture that we have developed in the earlier chapters of this book to write unit tests. We used a mocking framework to mock out the services that our ViewModels are dependent on to be able to effectively test the logic within them in a predictable manner. In the next chapter we will add the ability to monitor app usage and crashes in our TripLog mobile app.
Mastering Xamarin.Forms - Second Edition
By :
Mastering Xamarin.Forms - Second Edition
By:
Overview of this book
Discover how to extend and build upon the components of the Xamarin.Forms toolkit to develop effective, robust mobile app architecture. Starting with an app built with the basics of the Xamarin.Forms toolkit, we'll go step by step through several advanced topics to create a solution architecture rich with the benefits of good design patterns and best practices.
We'll start by introducing a core separation between the app's user interface and the app's business logic by applying the MVVM pattern and data-binding. Then we will focus on building out a layer of plugin-like services that handle platform-specific utilities such as navigation and geo-location, as well as how to loosely use these services in the app with inversion of control and dependency injection. Next we'll connect the app to a live web-based API and set up offline synchronization. Then, we'll dive into testing the app logic through unit tests. Finally, we will setup Visual Studio App Center to automate building, testing, distributing and monitoring the app.
Table of Contents (11 chapters)
Preface
Free Chapter
Getting Started
MVVM and Data Binding
Navigation
Platform Specific Services and Dependency Injection
User Interface
API Data Access
Authentication
Testing
App Monitoring
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