iphone 图标尺寸
57x57
Icon.png
App Store and Home screen on iPhone/iPod touch
Required
114x114
Icon@2x.png
Home screen for iPhone 4 High Resolution
Optional but recommended
72x72
Icon-72.png
Home screen for iPad compatibility
Optional but recommended
29x29
Icon-Small.png
Spotlight and Settings
Optional but recommended
50x50
Icon-Small-50.png
Spotlight for iPad compatibility
Recommended if you have a Settings bundle, otherwise optional but recommended
58x58
Icon-Small@2x.png
Spotlight and Settings for iPhone 4 High Resolution
Recommended if you have a Settings bundle, otherwise optional but recommended
?
link:http://developer.apple.com/library/ios/#qa/qa1686/_index.html
