protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
//App app = new App ();
//BranchAndroid.Init (this, GetString(Resource.String.branch_key), app);
//LoadApplication (app);
// uncomment to try BranchUniversalObject
AppBUO appBUO = new AppBUO();
BranchAndroid.Init(this, GetString(Resource.String.branch_key), appBUO);
// enable tracking of user data
BranchAndroid.getInstance().setTrackingDisabled(false);
LoadApplication(appBUO);
}