protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
//set our view from the"ExpandableListView" layout Resource
SetContentView(Resource.Layout.ExpandableListView);
var toolbar2 = FindViewById<Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar2);
SetSupportActionBar(toolbar2);
SupportActionBar.Title = "Mecahanics of Machines";
expandableListView = FindViewById<ExpandableListView>(Resource.Id.expandableList);
//set data
SetData(out mAdapter);
expandableListView.SetAdapter(mAdapter);
expandableListView.ChildClick += (s, e) =>
{
Toast.MakeText(this, "" + mAdapter.GetChild(e.GroupPosition, e.ChildPosition), ToastLength.Short).Show();
};
}
