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)

IOS 8.0 适配应用图片设计