private void ListItemClicked(int position)
{
Android.Support.V4.App.Fragment fragment = null;
switch (position)
{
case 0:
fragment = new Fragment1();
break;
case 1:
fragment = new Fragment2();
break;
case 2:
fragment = new Fragment3();
break;
}
SupportFragmentManager.BeginTransaction()
.Replace(Resource.Id.content_frame, fragment)
.Commit();
drawerList.SetItemChecked(position, true);
SupportActionBar.Title = title = Sections[position];
drawer.CloseDrawer(drawerList);
}