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Mastering Xamarin UI Development

You're reading from   Mastering Xamarin UI Development Build robust and a maintainable cross-platform mobile UI with Xamarin and C# 7

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788995511
Length 584 pages
Edition 2nd Edition
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Author (1):
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Steven F. Daniel Steven F. Daniel
Author Profile Icon Steven F. Daniel
Steven F. Daniel
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Table of Contents (15) Chapters Close

Preface 1. Setting Up Visual Studio for Mac FREE CHAPTER 2. Building a PhotoLibrary App Using Android 3. Building a SlidingTiles Game Using Xamarin.iOS 4. Creating the TrackMyWalks Native App 5. MVVM and Data Binding 6. Navigating Within the Mvvm Model 7. Adding Location-based Features Within Your App 8. Customizing the User Interface 9. Working with Animations in Xamarin.Forms 10. Working with the Razor Templating Engine 11. Incorporating Microsoft Azure App Services 12. Making Our App Social Using the Twitter API 13. Unit Testing Your Xamarin.Forms Apps 14. Other Books You May Enjoy

Creating and implementing the LocationService class

In this section, we will take a look at how to create the LocationService class that will inherit from our ILocationService interface, and implement the underlying instance methods that we declared within our interface class. We did this to help us retrieve and continually listen for changes within the GPS location coordinates which will be used by our ViewModels and ContentPages (Views).

Let's start by creating the LocationService class for our TrackMyWalks app by performing the following steps:

  1. Ensure that the TrackMyWalks solution is open within the Visual Studio for Mac IDE.
  2. Next, right-click on the Services folder and choose Add|New File... from the pop-up menu.
  3. Then, choose the Empty Class option under the General section and enter LocationService for the name of the class to be created, as shown in the following...
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