protected virtual void DrawerSetup(DrawerLayout drawer)
{
if (drawer == null)
{
return;
}
var drawerToggle = new ActionBarDrawerToggle(
/*activity:*/ this,
/*drawerLayout:*/ drawer,
/*toolbar: */ Toolbar,
OpenDrawerContentDescRes,
CloseDrawerContentDescRes);
drawer.AddDrawerListener(drawerToggle);
drawer.OnDrawerOpened().Subscribe(OnDrawerOpened).ToBeDisposedBy(this);
drawerToggle.SyncState();
drawerToggle.ToBeDisposedBy(this);
}