Xamarin: Xamarin for beginners, Building Your First Mobile App with C# .NET and Xamarin – 4th Edition

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Xamarin: Xamarin for beginners, Building Your First Mobile App with C# .NET and Xamarin – 4th Edition
 

  • Author:Max Beerbohmmoaml mohmmed
  • Length: 115 pages
  • Edition: 4
  • Publication Date: 2021-05-01
  • ISBN-10: B093YQ2YX7
  • Download:Register/Login to Download
  • Buy Print:Buy from amazon


    Book Description

    The entire world is now surrounded by billions and trillions of mobile Tech which is inevitable. The major share of the development of mobile apps is taken by the Google‘s Android, Apple‘s iOS, and Microsoft‘s Windows. Every new learner or newbie in Mobile Development Domain finds himself in the dilemma of choosing the platform to start with. They are actually looking for a platform to execute or implement the test apps on something different from what it is intended for.

    Xamarin is one of the solutions to it which actually is meant for cross-platform mobile app development where you can build Android, iOS, and Windows native application using a single codebase. This single platform is C#. The apps developed using Xamarin performs almost similar to the native Platform applications.

    Working of Xamarin

    Xamarin has entirely converted the Android and iOS SDK to C# to make it more familiar to the developers. One can easily use the same codebase for both the platforms without the hassle of remembering the syntax of different languages all the time. Besides, the User Interface(UI) remains almost same. It has to be separately built for both the platforms and then has to be bound by the common codebase.

    There are actually two ways for building the User Interface. First one is using the original native methods to build the UI. Another one incorporates the use of Xamarin.Forms. These forms can be used to build UI for different platforms all at once and have almost 100% code sharing if these are chosen over Native UI Technology.
    After doing all the UI work comes the most challenging phase which is connecting the UI to the codebase. This connection can again be implemented using two code sharing approaches which are:
    1.Shared Project
    2.Portable Class Libraries(PCL)

    Xamarin.Forms

    Xamarin provides developers two ways to build a mobile app. Either by using Xamarin.iOS and Xamarin.Android(main approach) or by using Xamarin.Forms which is a framework for simple apps and prototypes. Xamarin.Forms, the Visual Studio Library facilitates for rapid prototyping or building apps with few platform-specific functionalities. This makes Xamarin.Forms, the best fit, for apps considering code sharing more significant than custom UI. The developer need not design for each platform individually. With Xamarin.Forms, a single interface would be shared across platforms. Apps with some parts of the UI created using Xamarin.Forms and rest using native UI Toolkit can also be built using this approach.

    What Is Xamarin.Forms?
    Xamarin.Forms is a cross-platform natively backed UI toolkit abstraction that allows developers to easily create user interfaces that can be shared across Android, iOS, Windows, and Windows Phone.

    Performance

    Xamarin apps are fully native so in xamarin you can enjoy fully native performance with shared code.

    Xamarin.iOS and Xamarin.Android (Separate UI)

    For Xamarin.iOS and Xamarin.Android, you have shared code base in C# .This business logic is shared across platforms and UI is separate for all platforms. This is separate UI approach.

    Xamarin.ios and Xamarin.Android give you 100% API coverage with benefits of .NET APIs. Anything you can do in Android or in iOS, you can do with Xamarin using C#.

    Windows

    Windows already supports C# for development. So, it is also built in C# with native APIs.

    Xamarin.Forms

    Xamarin.forms allow you more code sharing that you can also share application UI in all platforms.

    Included in Xamarin.Forms

    UI building blocks like pages, layouts, and controls
    XAML-defined UI
    Data binding
    Navigation
    Animation API
    Dependency Service
    Messaging Center
    Advantages of Xamarin.Forms

    Native apps

    Shared Business Logic
    Shared UI
    One Xamarin development team require to develop apps for multiple platforms
    Less development time

    中文:

    书名:Xamarin: Xamarin for beginners, Building Your First Mobile App with C# .NET and Xamarin – 4th Edition

    整个世界现在被数十亿和万亿的移动技术所包围,这是不可避免的。移动应用程序开发的主要份额被谷歌的Android、苹果的iOS和微软的Windows占据。移动开发领域的每个新手或新手都会发现自己陷入了选择平台的两难境地。他们实际上是在寻找一个平台来执行或实现测试应用程序,而不是在它的预期用途上。

    Xamarin是它的解决方案之一,它实际上是为跨平台移动应用程序开发而设计的,在那里你可以使用一个代码库来构建Android、iOS和Windows原生应用程序。这个单一平台就是C#。使用Xamarin开发的应用程序的性能几乎与本地平台应用程序类似。

    Xamarin的工作原理

    Xamarin已经将Android和iOS SDK完全转换为C#,让开发者更熟悉。人们可以很容易地在两个平台上使用相同的代码库,而不需要一直记住不同语言的语法。此外,用户界面(UI)几乎保持不变。它必须为两个平台单独构建,然后必须受公共代码库的约束。

    实际上,构建用户界面有两种方法。第一个方法是使用原始的原生方法来构建UI。另一个结合了Xamarin.Forms的使用。这些表单可以用来同时为不同的平台构建用户界面,如果选择它们而不是原生用户界面技术,则可以实现几乎100%的代码共享。
    在完成所有的UI工作之后,最具挑战性的阶段就是将UI连接到代码库。这种连接也可以使用两种代码共享方法来实现,这两种方法是:
    1.共享项目
    2.可移植类库(PCL)

    Xamarin.Forms

    Xamarin为开发人员提供了两种构建移动应用程序的方法。要么使用Xamarin.iOS和Xamarin.Android(主要方法),要么使用Xamarin.Forms,这是一个简单应用程序和原型的框架。Xamarin.Forms,Visual Studio库便于快速构建原型或构建应用程序,几乎没有特定于平台的功能。这使得Xamarin.Forms最适合那些认为代码共享比定制用户界面更重要的应用程序。开发人员不需要单独为每个平台进行设计。有了Xamarin.Forms,单一界面就可以跨平台共享。使用Xamarin.Forms和REST使用原生UI工具包创建的部分UI的应用程序也可以使用这种方法构建。

    What Is Xamarin.Forms?
    Xamarin.Forms是一个跨平台的本地支持的UI工具包抽象,允许开发人员轻松创建可在Android、iOS、Windows和Windows Phone之间共享的用户界面。

    性能

    Xamarin应用程序完全是原生的,因此在Xamarin中,您可以通过共享代码享受完全原生的性能。

    Xamarin.iOS和Xamarin.Android(单独的用户界面)

    对于Xamarin.iOS和Xamarin.Android,你已经用C#共享了代码库。这个业务逻辑是跨平台共享的,所有平台的UI都是独立的。这是单独的用户界面方法。

    Xamarin.ios和Xamarin.Android通过.NETAPI的优势为您提供100%的API覆盖率。任何你可以在Android或iOS中做的事情,你都可以用C#用Xamarin来做。

    Windows

    Windows已经支持C#进行开发。因此,它也是使用本机API用C#构建的。

    Xamarin.Forms

    Xamarin.Forms允许您共享更多代码,您还可以在所有平台上共享应用程序UI。

    包括在Xamarin中。Forms

    用户界面构建块,如页面、布局和控件
    XAML定义的用户界面
    数据绑定
    Navigation
    动画API
    依赖关系服务
    消息传递中心
    Xamarin Forms的优势

    本地应用程序

    Shared Business Logic
    Shared UI
    一个Xamarin开发团队需要为多个平台开发应用程序
    Less development time

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