精通Xamarin开发：跨平台Android与iOS应用实战

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"Packt.Xamarin.Essentials.178355083X" 本书《Xamarin Essentials》由Mark Reynolds撰写，旨在帮助有经验的iOS和Android开发者快速掌握Xamarin平台，以便构建和部署跨平台应用。通过197页的内容，作者详细介绍了Xamarin的基础知识、架构以及如何利用C#和.NET开发iOS和Android应用。 Xamarin是一个基于Mono的工具集，允许开发者使用C#语言构建原生的iOS和Android应用。书中的章节涵盖了Xamarin的基础（包括Xamarin.iOS和Xamarin.Android的架构解析），以及如何在Xamarin Studio和Visual Studio中创建并运行这些应用。此外，书中还强调了代码共享的重要性，介绍了MvvmCross和Xamarin.Forms框架，以实现跨平台的代码复用。对于想要精通Xamarin平台的读者，这本书提供了一条高效、有趣且实用的学习路径。无论你是希望扩展现有技能的开发者，还是对跨平台移动开发感兴趣的人，都可以从中受益。全书共10章，内容包括： 1. Xamarin和Mono：通向“非自然”之路，讲解了Xamarin与Mono的关系及其在跨平台开发中的作用。 2. 深入理解Xamarin.iOS，揭示了Xamarin是如何构建iOS应用的内部机制。 3. 深入理解Xamarin.Android，探讨了Xamarin在Android平台上的工作原理。 4. 使用Xamarin.iOS开发首个iOS应用，提供了实际操作的指导。 5. 使用Xamarin.Android开发首个Android应用，帮助读者熟悉Android开发环境。 6. 代码共享游戏，阐述了跨平台代码复用的重要性。 7. 与MvvmCross共享，介绍了如何利用MvvmCross框架进行跨平台开发。 8. 与Xamarin.Forms共享，讲解Xamarin.Forms如何简化用户界面的构建。 9. 准备Xamarin.iOS应用发布，指导读者完成iOS应用的发布准备。 10. 准备Xamarin.Android应用发布，涵盖了Android应用发布前的关键步骤。通过这本书，读者不仅可以了解到Xamarin平台的核心概念，还能掌握实际开发技巧，从而能够利用C#编写出功能强大的商业移动应用，并在iOS和Android平台上实现大量代码共享。

Table of Contents

[ vii ]

Android Application (AndroidManifest.xml) settings 195

Linker Options 196

Overriding the linker 197

Supported ABIs 199

Publishing a release APK 200

Keystores 200

Publishing from Xamarin.Android 200

Republishing from Xamarin.Android 203

Publishing from Visual Studio 203

App distribution options 203

Summary 203

Index 205

Preface

[ 2 ]

• Code sharing: This explains the types of code that can be shared between

Android and iOS apps and the issues that might arise

• Distribution: This explains the special considerations that should be made

when distributing Xamarin.Android and Xamarin.iOS apps

It should be noted that sample apps and code snippets are provided where

appropriate.

When I rst started using C# to develop iOS apps, it just felt a little strange. I was

no fan of Objective-C, but when did C# become the cross-platform tool of choice? I

always had a lot of respect for what the Mono team accomplished, but I generally

had the view that Microsoft would eventually prohibit C# and .NET from being

terribly successful on any platform that they did not own. Being a Star Wars fan, and

somewhat of a geek, I was reminded of a conversation from Episode III. If you recall

a certain scene between Anakin and Palpatine, where Anakin realizes Palpatine

knew the dark side of the force; just replace the dark side of the force with Xamarin

and you get Palpatine turning to you saying: "Xamarin is a pathway to many abilities

some consider to be unnatural." That's pretty much the feeling I had; was I selling

out to learn a cross-platform set of technologies that would eventually completely

tie me to Windows?

Two years later, I feel fairly comfortable answering that question as no! Obviously,

we work in a dynamic industry and things can change in an instant, but the

technology world is in a different place than it was 10 years ago, and cross-platform

C# and .NET seem to play in Microsoft's favor now. So, the strange feeling has been

diminished with success, and seeing how the relationship between Microsoft and

Xamarin has only gone from strength to strength, I am encouraged.

If you are coming from an Objective-C or Java background, you will likely have the

same feelings from time to time, but if you give the tools a chance I think you will

be amazed.

I hope that you nd this book a valuable resource on your path to becoming a

productive mobile application developer with the Xamarin suite of products.

What this book covers

Chapter 1, Xamarin and Mono – a Pathway to the Unnatural, provides an overview

of the Mono project and the suite of Mono-based commercial products offered

by Xamarin.

Chapter 2, Demystifying Xamarin.iOS, describes how Mono and the iOS platform

coexist and allow developers to build iOS apps using C#.

Preface

[ 3 ]

Chapter 3, Demystifying Xamarin.Android, describes how Mono and the Android

platform coexist and allow developers to build Android apps using C#.

Chapter 4, Developing Your First iOS App with Xamarin.iOS, walks you through the

process of creating, compiling, running, and debugging a simple iOS app.

Chapter 5, Developing Your First Android App with Xamarin.Android, walks you through

the process of creating, compiling, running, and debugging a simple Android app.

Chapter 6, The Sharing Game, presents various approaches of sharing code between

Xamarin.iOS and Xamarin.Android apps.

Chapter 7, Sharing with MvvmCross, walks you through the use of the Xamarin.Mobile

app, which provides a cross-platform API to access location services, contacts, and

the device camera.

Chapter 8, Sharing with Xamarin.Forms, walks you through the basics of using the

MvvmCross framework to increase code reuse between platforms.

Chapter 9, Preparing Xamarin.iOS Apps for Distribution, discusses various methods

of distributing iOS apps, and walks you through the process of preparing

a Xamarin.iOS app for distribution.

Chapter 10, Preparing Xamarin.Android Apps for Distribution, discusses various

methods of distributing Android apps, and walks you through the process

of preparing a Xamarin.Android app for distribution.

What you need for this book

This book contains both Android and iOS examples. The simplest conguration

to create and run all the examples is to have an Intel-based Mac running OS X

10.8 (Mountain Lion) or a later version with Xcode, the iOS SDK 7.x, and Xamarin

installed. The 30-day trial edition of Xamarin can be used as it installs both Xamarin.

iOS and Xamarin.Android by default.

The following points provide detailed requirements based on specic features

and congurations.

To create and execute the iOS examples in this book, you will need the following:

• An Intel-based Mac running OS X 10.8 (Mountain Lion) or a higher version

• Xcode and the iOS SDK 7 or a newer version installed

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精通Xamarin开发：跨平台Android与iOS应用实战

原版书 Packt.Unity Game Development Essentials.2009

Packt.Mastering.Xamarin.UI.Development.2017

Packt.Mastering.Xamarin.Forms.2nd.Edition.2018

Packt.PostgreSQL.Development.Essentials

Packt.Unity.iOS.Essentials.2011

Packt.IntelliJ.IDEA.Essentials.2014

Packt.Unity.3.x.Game.Development.Essentials.2011.Incl.Code

Packt.jQuery.Mobile.Web.Development.Essentials.3rd

Packt.Flash.10.Multiplayer.Game.Essentials（含代码）

Packt.MariaDB.Essentials.epub

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