Xamarin Mobile Application Development: Cross-Platform C# and Xamarin.Forms Fundamentals

JSON is the easiest and more versatile approach, particularly using the Json.NET component in the Xamarin Component Store (or NuGet). This allows objects such as object of type ObjectClass to be serialized into JSON with the SerializeObject method. See Listing 6-50.

Listing 6-50. Pass Object Using PutExtra in PassObjectActivity.cs

    String json = Newtonsoft.Json.JsonConvert.SerializeObject (data);    var intent = new Intent(this, typeof(PassToActivity));    intent.PutExtra("MyData", json);    StartActivity(intent);

And the objects can be deserialized with DeserializeObject in the activity called PassToActivity:

    String json = Intent.GetStringExtra("MyData") ?? "No Data";    DataModel data =        Newtonsoft.Json.JsonConvert.DeserializeObject<DataModel>(json); ...