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Xamarin.Forms Projects

You're reading from   Xamarin.Forms Projects Build multiplatform mobile apps and a game from scratch using C# and Visual Studio 2019

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Product type Paperback
Published in Jun 2020
Publisher Packt
ISBN-13 9781839210051
Length 504 pages
Edition 2nd Edition
Languages
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Authors (2):
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 Hindrikes Hindrikes
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Hindrikes
 Karlsson Karlsson
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Karlsson
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Toc

Table of Contents (13) Chapters Close

Preface 1. Introduction to Xamarin 2. Building Our First Xamarin.Forms App FREE CHAPTER 3. Building a News App Using Xamarin.Forms Shell 4. A Matchmaking App with a Rich UX Using Animations 5. Building a Photo Gallery App Using CollectionView and CarouselView 6. Building a Location Tracking App Using GPS and Maps 7. Building a Weather App for Multiple Form Factors 8. Setting Up a Backend for a Chat App Using Azure Services 9. Building a Real-Time Chat Application 10. Creating an Augmented Reality Game 11. Hot Dog or Not Hot Dog Using Machine Learning 12. Other Books You May Enjoy

Creating a Resolver

Now, we need to create a helper class for Inversion of Control (IoC). This will help us create types based on a configured IoC container. In this project, we will use Autofac as the IoC library. Let's set this up:

  1. Install the Autofac NuGet package in the Weather project.
  2. Create a new class called Resolver in the Weather project.
  3. Add a private static field called container of the IContainer type (from Autofac).
  4. Add a public static method called Initialize with IContainer as a parameter. Set the value of the parameter to the container field.
  5. Add a generic public static method called Resolve<T>, which will return an instance of an object of the type specified with the T parameter. The Resolve<T> method will then call the Resolve<T> method on the IContainer instance that was passed to it during initialization.
  6. The code should now look as follows:
using Autofac;

namespace Weather
{
...
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