Dev:Libstatusbar

Latest readme explaining iOS 7.x support: http://phoenix-dev.com/Drop/README

My iOS 6 icon sizes were 12x20 for 1x and 20x40 for 2x

iOS 7 uses a height of 20 normal and 24 on the lock screen. Some example sizes from the built-in icons are:

Black_Airplane~iphone.png 12x20 Black_Airplane~iphone@2x.png 26x40 LockScreen_Airplane~iphone.png 14x24 LockScreen_Airplane~iphone@2x.png 28x48

Black_Alarm~iphone.png 9x20 Black_Alarm~iphone@2x.png 19x40 LockScreen_Alarm~iphone.png 11x24 LockScreen_Alarm~iphone@2x.png 27x48