ios icon尺寸问题
iPhone and iPod
Application Icon for iPhone (retina display) Icon@2x.png 114 x 114
Application Icon icon for iPhone Icon.png 57 x 57
Settings/Spotlight icon for iPhone (retina display) Icon-Small@2x.png 58 x 58
Settings/Spotlight icon for iPhone Icon-Small.png 29 x 29
Launch image Portrait (retina display) Default@2x.png 640 x 960
Launch image Portrait Default.png 320 x 480
iPad
Application Icon for the new iPad (retina display) Icon-72@2x.png 144 x 144
Application Icon for the iPad Icon-72.png 72 x 72
Settings/Spotlight icon for iPad Icon-Small-50@2x.png 100 x 100
Settings/Spotlight icon for iPad Icon-Small-50.png 50 x 50
Launch image Portrait (retina display) Default-Portrait@2x.png 1536 x 2048
Launch image Portrait Default-Portrait.png 768 x 1004
Launch image Landscape (retina display) Default-Landscape@2x.png 2048 x 1536
Launch image Landscape Default-Landscape.png 1024 x 748
iTunes App Store
App icon for the App Store (retina display) iTunesArtwork@2x.png 1024 x 1024
App icon for the App Store iTunesArtwork.png 512 x 512
