MyActionBarDrawerToggle

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SupportActionBarDrawerToggle = Android.Support.V7.App.ActionBarDrawerToggle;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.Support.V7.App;
using Android.Support.V4.Widget;

namespace CallRate.Droid
{
    public class MyActionBarDrawerToggle : SupportActionBarDrawerToggle
    {
        private ActionBarActivity mHostActivity;
        private int mOpenedResource;
        private int mClosedResource;

        public MyActionBarDrawerToggle(ActionBarActivity host, DrawerLayout drawerLayout, int openedResource, int closedResource)
            : base(host, drawerLayout, openedResource, closedResource)
        {
            mHostActivity = host;
            mOpenedResource = openedResource;
            mClosedResource = closedResource;
        }

        public override void OnDrawerOpened(Android.Views.View drawerView)
        {
            int drawerType = (int)drawerView.Tag;

            if (drawerType == 0)
            {
                base.OnDrawerOpened(drawerView);
                mHostActivity.SupportActionBar.SetTitle(mOpenedResource);
            }
        }

        public override void OnDrawerClosed(Android.Views.View drawerView)
        {
            int drawerType = (int)drawerView.Tag;

            if (drawerType == 0)
            {
                base.OnDrawerClosed(drawerView);
                mHostActivity.SupportActionBar.SetTitle(mClosedResource);
            }
        }

        public override void OnDrawerSlide(Android.Views.View drawerView, float slideOffset)
        {
            int drawerType = (int)drawerView.Tag;

            if (drawerType == 0)
            {
                base.OnDrawerSlide(drawerView, slideOffset);
            }
        }
    }
}