/// <summary>
/// Set defaults value.
/// </summary>
void SetDefaultValue()
{
// TextProperty
nativeButton.SetText(fixedButton.Text, Android.Widget.TextView.BufferType.Normal);
nativeButton.TextAlignment = Android.Views.TextAlignment.Center;
// TextColorProperty
nativeButton.SetTextColor(fixedButton.TextColor.ToAndroid());
// ButtonBackgroundColorProperty
nativeButton.SetBackgroundColor(fixedButton.ButtonBackgroundColor.ToAndroid());
}