Pull To Refresh icon

Hi,

I am trying to work out how (if there is a way) to change the icon of the pull to refresh in a scroll view.

I have used the code from here: http://ift.tt/1WwZFCB

I have managed to add the pull to refresh for the ScrollView in my app, but want the icon to look more like the following when you pull the list down..

View attachment 43638


Currently it's showing the icon like the following...

Pull To Refresh icon

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