MyApp.Android.cs

namespace MyApp
{
	[Activity (Label = "MyApp", MainLauncher = true, Icon = "@drawable/icon")]
	public class MainActivity : Activity
	{
		protected override void OnCreate (Bundle bundle)
		{
			base.OnCreate (bundle);

			// Set our view from the "main" layout resource
			SetContentView (Resource.Layout.Main);

			var txtUser = FindViewById<EditText>(Resource.Id.txtUser);
			var btnSearch = FindViewById<Button>(Resource.Id.btnSearch);
			var lvwRepositories = FindViewById<ListView>(Resource.Id.lvwRepositories);

			btnSearch.Click += async (object sender, EventArgs e) => {
				var github = new Shared.GitHubApi();
				var repositories = await github.GetAsync(txtUser.Text);
				lvwRepositories.Adapter = new ArrayAdapter(this, Android.Resource.Layout.SimpleListItemSingleChoice, repositories);
			}; 
		}
	}
}