Load the addressbook and select a person's email in Xamarin

Select Email Xamarin

    /* A simple snippet to Open the Address book in iOS and select a person's email address and 
      add it to the textfield (_addressesTextView)
      
      PLATFORM: XAMARIN iOS
      
    */
    
    ABPeoplePickerNavigationController _contacts;
    
    partial void AddEmail (NSObject sender)
		{
			
			
			if (_contacts == null)
				_contacts = new ABPeoplePickerNavigationController ();
			_contacts.ModalPresentationStyle = UIModalPresentationStyle.FormSheet;
			PickerDelegate pickerDeleg = new PickerDelegate();
			pickerDeleg.emailSelected += (email) => {
				if (_addressesTextView.Text.Length > 0)
					_addressesTextView.Text = _addressesTextView.Text + "," + email;
				else
					_addressesTextView.Text = email;
			};
			_contacts.Delegate = pickerDeleg;
			
			this.PresentViewController(_contacts,true,null);
			
			
	
		}


//People Picker Delegate
public class PickerDelegate:ABPeoplePickerNavigationControllerDelegate
{
	public delegate void  EmailSelectedDelegate(string email);
	public event EmailSelectedDelegate emailSelected;
	
	public override bool ShouldContinue (ABPeoplePickerNavigationController peoplePicker, IntPtr selectedPerson, int propertyId, int identifier)
	{
		if (propertyId == 4) { //kABPersonEmailProperty
			//this is a bug in XAMARIN, check this: https://bugzilla.xamarin.com/show_bug.cgi?id=16072
			  ABPerson person = Runtime.GetINativeObject<ABPerson> (selectedPerson,false);
			var emails = person.GetEmails();
			
			int index = emails.GetIndexForIdentifier(identifier);
			var values = emails.GetValues();
			emailSelected(values[index]);
			peoplePicker.DismissViewController(true,null);
			
		}
		
		return false;
	}
	
	public override void Cancelled (ABPeoplePickerNavigationController peoplePicker)
	{
		peoplePicker.DismissViewController(true,null);
	}
			
			
}