Combine two API call

MainActivity.cs

public class MainActivity : AppCompatActivity
{
	private Post post;
	
	private ToDo toDo;

	protected override async void OnCreate(Bundle savedInstanceState)
	{
	    base.OnCreate(savedInstanceState);
	    SetContentView(Resource.Layout.activity_main)
	    var textview = FindViewById<TextView>(Resource.Id.textView);
	    var apiService = NetworkService.GetApiService();
	    var getTodo = apiService.GetToDo().ContinueWith(toDo => this.toDo = toDo);
	    var getPost = apiService.GetPost().ContinueWith(post => this.post = post);
	    await Task.WhenAll(getToDo,getPost) // Wait for complete the two tasks.
	    .ContinueWith(result =>        
	    {            
	      if (result.IsCompleted && result.Status == TaskStatus.RanToCompletion)
	      {
		// Get result and update any UI here.
		textView.Text = post.Title; // For property serialized/deserialized using Newtonsoft.Json
		var toDoTitle = toDo.Title;
	      }
	      else if (result.IsFaulted)
	      {
		// If any error occurred exception throws.
	      }
	      else if (result.IsCanceled)
	      {
	       // Task cancelled
	      }
	    },TaskScheduler.FromCurrentSynchronizationContext())// execute in main/UI thread.
	    .ConfigureAwait(false)// Execute API call on background or worker thread.
	}
}