protected void ShowAlert(EditText editText, string alertText)
{
if (validationAlerts.ContainsKey(editText))
{
return;
}
var metrics = GetDisplayMetrics();
int layoutOffsetY = metrics.HeightPixels - rootLayout.Height;
int[] editTextCoordinates = new int[2];
editText.GetLocationOnScreen(editTextCoordinates);
int xOffset = editTextCoordinates[0];
int yOffset = editTextCoordinates[1] + editText.Height - GetPixelsFromDpi(17) - layoutOffsetY;
var inflater = (LayoutInflater)this.GetSystemService(Context.LayoutInflaterService);
var view = inflater.Inflate(Resource.Layout.a_validationerror, null);
view.FindViewById <TextView>(Resource.Id.errorMessage).Text = alertText;
var lp = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WrapContent, RelativeLayout.LayoutParams.WrapContent);
lp.LeftMargin = xOffset;
lp.TopMargin = yOffset;
rootLayout.AddView(view, lp);
validationAlerts.Add(editText, view);
editText.FocusChange += HandleFocusChange;
}