Book Image

Windows Application Development Cookbook

By : Marcin Jamro
Book Image

Windows Application Development Cookbook

By: Marcin Jamro

Overview of this book

Need to ensure you can always create the best Windows apps regardless of platform? What you need are solutions to the biggest issues you can face, so you can always ensure you’re making the right choices and creating the best apps you can. The book starts with recipes that will help you set up the integrated development environment before you go ahead and design the user interface. You will learn how to use the MVVM design pattern together with data binding, as well as how to work with data in different file formats. Moving on, you will explore techniques to add animations and graphics to your application, and enable your solution to work with multimedia content. You will also see how to use sensors, such as an accelerometer and a compass, as well as obtain the current GPS location. You will make your application ready to work with Internet-based scenarios, such as composing e-mails or downloading files, before finally testing the project and submitting it to the Windows Store. By the end of the book, you will have a market-ready application compatible across different Windows devices, including smartphones, tablets, and desktops.
Table of Contents (17 chapters)
Windows Application Development Cookbook
About the Author
About the Reviewer

Reading a JSON file

Parsing the JSON-formatted content into an object or a collection of objects is significantly simplified using the Newtonsoft.Json library, as you will see in this recipe. Thus, you can convert a JSON-formatted string to the target type with just a single line of code, using the DeserializeObject method, as shown in the following line:

    variable = JsonConvert.DeserializeObject<type>(encoded-string) 

As an example, you will modify the project from the previous recipe by adding a Load button. Once you click on it, the content of the Employees.json file will be loaded and parsed into a collection of EmployeeViewModel instances. Then, the result will be presented in the user interface.

Getting ready

To step through this recipe, you need the project from the previous recipe.

How to do it...

To modify the preceding example to support loading data of employees from a JSON-formatted file, perform the following steps:

  1. Add the Load button to the page by modifying the content...