iOS Settings button margins

Button of the Contentedgeinsets titleedgeinsets imageedgeinsets These three margins are often confused, here to say also for the convenience of later memory

Button.contentedgeinsets is the Set button to the overall upper and lower margins, set in that range to display content (global)

Button.titleedgeinsets is the margin that sets the text, which is the margin between the top and bottom. Set the left margin of text is the distance from the picture

Button.imageedgeinsets the same way is to set the image distance up or down the margin;