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  • Book Overview & Buying Xamarin 4 By Example
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Xamarin 4 By Example

Xamarin 4 By Example

By : Matteo Bortolu, Mark Radacz, Polat
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Xamarin 4 By Example

Xamarin 4 By Example

2 (1)
By: Matteo Bortolu, Mark Radacz, Polat
Buy this Book

Overview of this book

The mobile app market is increasing exponentially every year. Xamarin Studio with its modern and powerful IDEs makes creating applications a lot easier by simplifying the development process. Xamarin will allow you and your team to create native applications by taking advantage of one of the most evolved programming language in the world: C#. This book will provide you with the basic skills you need to start developing mobile apps using C# and Xamarin. By working through the examples in each chapter, you will gain hands-on experience of creating a complete app that is fully functional by all means. Finally, you will learn to publish the app you created on the app market. Each project in this book will take you one step closer to becoming a professional app developer.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Xamarin
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1. Getting Started with Xamarin
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Take off
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Xamarin Studio
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Mobile Development Software Development Lifecycle
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Summary
2
2. Sharing Code between Platforms
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2. Sharing Code between Platforms
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Shared Project
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Portable Class Library
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MVVM pattern a quick overview of theory
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MVVM pattern example – split the bill
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Summary
3
3. Exploring the UI Controls
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3. Exploring the UI Controls
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The user's point of view
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Xamarin.Forms
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Rendering Model
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The Application class
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Pages
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Layouts
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Views
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Cells
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Summary
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4. Data – the Monkeys Catalog
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4. Data – the Monkeys Catalog
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Mobile architectural pattern
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Inside the layers
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The Monkeys catalog
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5. Cloud and Async Communication
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5. Cloud and Async Communication
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Communication
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Example project - Xamarin Fast Food
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Services
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Example project Weather
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Ideas
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Summary
6
6. Custom Renderers
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6. Custom Renderers
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Rendering model
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App linking example
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Summary
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7. Monkey Puzzle Game – Processing Images
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7. Monkey Puzzle Game – Processing Images
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Monkey Puzzle Game
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Summary
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8. The People Around Me Application
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8. The People Around Me Application
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What is People Around Me doing?
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Creating the project
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Summary
9
9. Testing – Spot the bugs
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9. Testing – Spot the bugs
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Debugging a Xamarin project
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Xamarin Profiler
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The Xamarin.UITest framework
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Summary
10
10. Publishing to the Market
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10. Publishing to the Market
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What is store?
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Publishing to the Apple App Store
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Publishing to the Google Play Store
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Publishing to the Windows Store
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Summary

Chapter 2. Sharing Code between Platforms

As we mentioned in the previous chapter, in mobile development there are features that we can share between platforms and features that need to be platform specific.

In this chapter we will explore all the ways we have in Xamarin to share code between platforms.

We will understand and develop a cross-platform pattern called Model-View-View-Model (MVVM) that helps us to separate the business and presentation logic of our application from its user interface. We will use this paradigm in the rest of the book.

Note

The business logic is the part of a program that determines how data can be displayed, stored, created and changed.

The presentation logic is the part of the program that describes how and when business objects are displayed.

MVVM will help us to make our application easier to test, maintain and evolve. It also improves the amount of code we can share between platforms.

It is important to understand that MVVM and separated logics is not...

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