Changing the frame of an inputAccessoryView in iOS 8

Question

Long time lurker - first time poster!

I am having an issue while recreating a bar with a UITextView like WhatsApp does it.

I am using a custom <

Answer 1

100% working and very simple solution is to enumerate all constraints and set new height value. Here is some C# code (xamarin):

foreach (var constraint in inputAccessoryView.Constraints)
{
    if (constraint.FirstAttribute == NSLayoutAttribute.Height)
    {
        constraint.Constant = newHeight;
    }
}