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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 picture class

To abstract all the information about the image we want to display, we'll create a class that encapsulates this information. There isn't much information in our Picture class, but it is good coding practice to do this. Proceed as follows:

  1. Create a new class called Picture in the Utils folder.
  2. Add the following code to the class:
public class Picture
{
public Uri Uri { get; set; }
public string Description { get; set; }

public Picture()
{
Uri = new Uri($"https://picsum.photos/400/400/?random&ts=
{DateTime.Now.Ticks}");

var generator = new DescriptionGenerator();
Description = generator.Generate();
}
}

The Picture class has the following two public properties:

  • The Uniform Resource Identifier (URIof an image exposed as the Uri property, which points to its location on the internet
  • A description of that image exposed as the Description property.

In the constructor, we create a new URI, which points to a public source...

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