Warning: ActionButton: Support for defaultProps will be removed from function components in a future major release.

[gtjamesa]

 ERROR  Warning: ActionButton: Support for defaultProps will be removed from function components in a future major release. Use JavaScript default parameters instead.
    in ActionButton (created by ActionButton)
    in ActionButton (created by ItemScreen)    
    in RCTView (created by View)                                   
    in View (created by ViewWrapper)                   
    in ViewWrapper (created by MainLayout)             
    in MainLayout (created by ItemScreen)                
    in ItemScreen (created by Connect(ItemScreen))    
    in Connect(ItemScreen) (created by SceneView)
    in StaticContainer

...