一、Sizes of App UI Elements
二、App Icons
iOS 8 更新：
Icon-Small@3x.png 87*87
Icon-40@3x.png 120*120
Icon-60@3x.png 180*180
Icon.png 57*57
Icon@2x.png 114*114
Icon-Small.png 29*29
Icon-Small@2x.png 58*58
Icon-Small-50.png 50*50
Icon-Small-50@2x.png 100*100
Icon-72.png 72*72
Icon-72@2x.png 144*144
Icon-40.png 40*40
Icon-40@2x.png 80*80
Icon-60.png 60*60
Icon-60@2x.png 120*120
Icon-76.png 76*76
Icon-76@2x.png 152*152
三、LaunchImages
4.0 inch screen:
Default-568h@2x.png (old 640x1136 ~ for iPhone 5)
4.0 inch screen:
LaunchImage-700-568h@2x.png (new 640x1136 ~ for iPhone 5)
4.7 inch screen:
LaunchImage-800-667h@2x.png (750x1334 ~ for iPhone 6)
5.5 inch screen:
LaunchImage-800-Portrait-736h@3x.png (1242x2208 ~ for iPhone 6 Plus Portrait)
5.5 inch screen:
LaunchImage-800-Landscape-736h@3x.png (2208x1242 ~ for iPhone 6 Plus Landscape)
Retina iPad:
Default-Portrait@2x~ipad.png (1536x2048 ~ for Retina iPad Portrait)
Retina iPad:
Default-Landscape@2x~ipad.png (2048x1536 ~ for Retina iPad Landscape)
iPad Mini/iPad:
Default-Portrait~ipad.png (768x1024 ~ for iPad Portrait)
iPad Mini/iPad:
Default-Landscape~ipad.png (1024x768 ~ for iPad Landscape)
For more , Please to see http://www.cocoachina.com/bbs/read.php?tid=229352