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Xamarin.Forms Projects

You're reading from   Xamarin.Forms Projects Build multiplatform mobile apps and a game from scratch using C# and Visual Studio 2019

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Product type Paperback
Published in Jun 2020
Publisher Packt
ISBN-13 9781839210051
Length 504 pages
Edition 2nd Edition
Languages
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Authors (2):
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 Hindrikes Hindrikes
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Hindrikes
 Karlsson Karlsson
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Karlsson
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Table of Contents (13) Chapters Close

Preface 1. Introduction to Xamarin 2. Building Our First Xamarin.Forms App FREE CHAPTER 3. Building a News App Using Xamarin.Forms Shell 4. A Matchmaking App with a Rich UX Using Animations 5. Building a Photo Gallery App Using CollectionView and CarouselView 6. Building a Location Tracking App Using GPS and Maps 7. Building a Weather App for Multiple Form Factors 8. Setting Up a Backend for a Chat App Using Azure Services 9. Building a Real-Time Chat Application 10. Creating an Augmented Reality Game 11. Hot Dog or Not Hot Dog Using Machine Learning 12. Other Books You May Enjoy

Fixing the code behind the view

As with all views, when using MVVM, we need to pass our view of ViewModel. Since we are using dependency injection in this project, we will pass it through the constructor and then assign it to the view's BindingContext. We will also make sure that we enable safe areas to avoid controls being partially hidden behind the iPhone X notch at the top:

  1. Open the MainView.xaml.cs file.
  2. Add a parameter called viewModel of the MainViewModel type in the constructor of the MainView class. The argument for this parameter will be injected by Autofac at runtime.
  3. Add a platform-specific statement that instructs the application to use safe areas on iOS. A safe area makes sure that the app does not use the space on the side of the notch at the top of the screen on an iPhone X.
  4. Assign the viewModel argument to the BindingContext property of the view.

The changes that need to be made have been marked in bold in the following code:

using...
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