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Mastering Xamarin UI Development - Second Edition by Steven F. Daniel

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Updating the WalksMainPage code-behind using C#

Now that we have created the TwitterSignInPageRenderer class that will be responsible for displaying the Twitter UI dialog, our next step is to begin updating the underlying C# code within our WalksMainPage code-behind file. This will give it the ability to display our TwitterSignInPage ViewModel if we haven't determined that the user has signed in.

Let's take a look at how we can achieve this by following these steps:

  1. Locate and open the WalksMainPage.xaml.cs file, which is located within the Views folder, ensuring that it is displayed within the code editor, and enter the following highlighted code sections:
    //    //  WalksMainPage.xaml.cs // Displays Walk Information within a ListView control ...

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