Xamarin.Forms Projects

coverpage

Title Page

Copyright and Credits

Xamarin.Forms Projects

Dedication

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Foreword

Contributors

About the authors

About the reviewer

Packt is searching for authors like you

Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

Introduction to Xamarin

Native applications

Xamarin and Mono

Code sharing

Using existing knowledge

Xamarin.iOS

Xamarin.Android

Xamarin.Mac

Xamarin.Forms

The architecture of Xamarin.Forms

Defining a user interface using XAML

Defining a Label control

Creating a page in XAML

Creating a page in C#

XAML or C#?

Xamarin.Forms versus traditional Xamarin

When to use Xamarin.Forms

Setting up a development machine

Setting up a Mac

Installing Xcode

Installing Visual Studio

Configuring the Android emulator

Setting up a Windows machine

Installing Xamarin for Visual Studio

Pairing Visual Studio with a Mac

Configuring an Android emulator and hardware acceleration

Configuring UWP developer mode

Summary

Building Our First Xamarin.Forms App

Technical requirements

An overview of the project

Beginning the project

Setting up the project

Creating the new project

Examining the files

DoToo

DoToo.Android

DoToo.iOS

DoToo.UWP

Updating the Xamarin.Forms packages

Removing the MainPage file

Creating a repository and a TodoItem model

Defining a to-do list item

Creating a repository and its interface

Connecting SQLite to persist data

Adding the SQLite NuGet package

Updating the TodoItem class

Creating a connection to the SQLite database

Implementing the Get Add and Update methods

Using MVVM – creating Views and ViewModels

Defining a ViewModel base class

Introducing PropertyChanged.Fody

Creating the MainViewModel

Creating the TodoItemViewModel

Creating the ItemViewModel

Creating the MainView

Creating the ItemView

Wiring up a dependency injection through Autofac

Adding a reference to Autofac

Creating the resolver

Creating the bootstrapper

Adding a bootstrapper on iOS

Adding a bootstrapper in Android

Adding a bootstrapper in UWP

Making the app run

Adding data bindings

Navigating from the MainView to the ItemView to add a new item

Adding new items to the list

Binding the ListView in the MainView

Creating a ValueConverter for the item status

Using the ValueConverter

Navigating to an item using a command

Marking an item as complete using a command

Creating the filter toggle function using a command

Laying out contents

Setting an application-wide background color

Laying out the MainView and ListView items

The filter button