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Xamarin: Cross-Platform Mobile Application Development

You're reading from   Xamarin: Cross-Platform Mobile Application Development Master the skills required to develop cross-platform applications from drawing board to app store(s) using Xamarin

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Product type Course
Published in Aug 2016
Publisher Packt
ISBN-13 9781787120129
Length 1049 pages
Edition 1st Edition
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Authors (3):
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Jonathan Peppers Jonathan Peppers
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Jonathan Peppers
George Taskos George Taskos
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George Taskos
Can Bilgin Can Bilgin
Author Profile Icon Can Bilgin
Can Bilgin
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Toc

Chapter 2. Declare Once, Visualize Everywhere

In this chapter, we will cover the following recipes:

  • Creating a tabbed-page cross-platform application
  • Adding UI behaviors and triggers
  • Configuring XAML with platform-specific values
  • Using custom renderers to change the look and feel of views

Introduction

Xamarin.Forms is a cross-platform UI framework. So far, we have seen examples of creating the UI in code using procedural code, creating objects, wiring them to events, and adding them to collections. That's OK, but when it comes to a more complicated UI structure, this code can get very large, hard to understand, and difficult to visualize what has been created.

Another limitation is that we mix design code and behavior, which can become difficult to separate the roles between developer and designer, and also concerns like colors and fonts.

This is where XAML comes to save us from the pain. It is a markup language originally created by Microsoft to describe the user interface in Windows...

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