using System.Reflection; using Android.App; using Android.OS; using Xamarin.Android.NUnitLite; namespace NunitTest_Android { [Activity(Label = "@string/app_name", MainLauncher = true)] public class MainActivity : TestSuiteActivity { protected override void OnCreate(Bundle bundle) { // tests can be inside the main assembly AddTest(Assembly.GetExecutingAssembly()); // or in any reference assemblies // AddTest (typeof (Your.Library.TestClass).Assembly); // Once you called base.OnCreate(), you cannot add more assemblies. base.OnCreate(bundle); } } }