Book Image

.NET Standard 2.0 Cookbook

By : Fiqri Ismail
Book Image

.NET Standard 2.0 Cookbook

By: Fiqri Ismail

Overview of this book

The .NET Standard is a standard that represents a set of APIs that all .NET platforms have to implement, making it easy for developers to access and use one common library for their development needs. This book begins with a quick refresher, helping you understand the mechanics of the new standard and offering insight into how it works. You’ll explore the core library concepts, such as working with collections, configurations, I/O, security, and multithreading. You’ll explore the iOS and Android libraries of Xamarin and we’ll guide you through creating a .NET Standard 2.0 library, which you’ll use with both Android and iOS applications. In the final chapters, you’ll learn the various debugging and diagnostics tools to deliver quality libraries and create a NuGet package of the .NET Standard 2.0 library. By the end of this book, you’ll be able to expand your current workflow to various .NET flavors and have the essential skills to create a .NET Standard 2.0 library from scratch to package and deliver it to the world.

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Table of Contents (18 chapters)
Title Page
Title Page
Copyright and Credits
Copyright and Credits
Packt Upsell
Packt Upsell
Contributors
Contributors
Preface
Preface
Free Chapter
1
Back to Basics
Back to Basics
Technical requirements
Introduction 
Creating a C#-based console application
Creating a C# class library 
Creating a classic Windows-based application to use the library
Creating a WPF-based application to use the library 
Hello Universe – My first .NET Standard class library
Creating a Windows console-based application to use the library
Creating an ASP.NET Core-based web application to use the library
2
Primitives, Collections, LINQ, and More
Primitives, Collections, LINQ, and More
Technical requirements
Introduction
Building a .NET Standard 2.0 library that uses primitives
A .NET console application to use the library
Creating collections
A WPF application to use the library
Describing our library with Reflections
A .NET Core console application to use the library
Building a .NET Standard 2.0 library that uses LINQ
An ASP.NET MVC application to use the library
3
Working with Files
Working with Files
Technical requirements
Introduction
Setting up .NET Core in Ubuntu
Creating a log as text
Creating an ASP.NET Core application in Ubuntu to use the library
Setting up .NET Core in macOS
Reading from a comma separated (CSV) text file
Creating a .NET Core console application in macOS to use the library
Compressing? Why not?
Creating a classic Windows application to use the library
Encrypting and decrypting content in a text file
Creating a classic Windows application to use the library
4
Functional Programming
Functional Programming
Technical requirements
Introduction
Creating a .NET Standard 2.0 library
Creating a .NET Core console application to use the library
Creating a .NET Standard 2.0 library that uses tuples
Creating a Razor Pages web application to use the library
Creating a .NET Standard 2.0 library that uses delegates and lambda expressions
Creating a .NET console application to use the library
5
XML and Data
XML and Data
Technical requirements
Introduction
Creating a library that reads and writes to an XML file
Creating an ASP.NET MVC application to use the XMLLib library
Processing an XML file using LINQ to XML
Creating a .NET Core console application to use the library
6
Exploring Threading
Exploring Threading
Technical requirements
Introduction
Creating a library that can perform several things at once
Creating a .NET Core console application to use the library
Creating an async method with tasks
Creating a WPF application to use the library
Creating a thread pool
Creating a .NET console application to use the library
7
Networking
Networking
Technical requirements
Introduction
A library that displays an IP address and the name using sockets
Creating a classic Windows application to use the library
Creating a library that sends mail
Creating a WPF application to use the library
Creating a library to call a REST API
Creating an ASP.NET MVC application to use the library
8
To iOS with Xamarin
To iOS with Xamarin
Technical requirements
Introduction
Installing Visual Studio for Mac
Hello iOS – Creating a Xamarin iOS app
Creating the .NET Standard 2.0 library
Putting things together and testing the application
9
To Android with Xamarin
To Android with Xamarin
Technical requirements
Introduction
Hello Android – Creating a Xamarin Android app
Adding a .NET Standard 2.0 library to the Xamarin project
Putting things together and testing the application
10
Let’s Fine-Tune Our Library
Let’s Fine-Tune Our Library
Technical requirements
Introduction
A library logs things itself
Creating a .NET Core console application to use the library
Informing the end user – Exception handling and error messages
Using Visual Studio 2017 diagnostics and debugging tools
11
Packaging and Delivery
Packaging and Delivery
Technical requirements
Introduction
Creating a .NET Standard 2.0 library
Creating a NuGet package of your library
Submitting the package to NuGet package manager
Creating a classic Windows application and testing the NuGet package
12
Deploying
Deploying
Technical requirements
Introduction
Creating a free Azure Cloud subscription
Creating an ASP.NET core web application to use the library from NuGet
Deploying the application to Azure Cloud
Index
Index

Creating a NuGet package of your library

In this recipe, we will look at how to create a NuGet package out of the library you have just built in the previous recipe. 

Getting ready

Make sure you have completed the previous recipe or that you have a .NET Standard library already with you. Let's get started.

How to do it...

  1. Open Visual Studio 2017.
  2. Now, open the solution from the previous recipe. Click File | Open | Open Project/Solution, or press Ctrl + Shift + O, and select the Chapter11.Packaging solution. 
  3. Now, the Solution Explorer should look like this:

  1. Now, click on the Chapter11.Packaging.CalcLib project label to select it.
  2. Right-click and select Properties.
  3. In the Properties tab, click on the Packages label:

  1. Now, fill in the information and it should look like this:
  1. Now, Save and close.
  2. Again, in the toolbar, select Release from the debugging area:
  1. Now, again in the Solution Explorer, right-click on the Chapter11.Packaging.CalcLib label.
  1. Select Pack:
  1. This should build and create a NuGet package...
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