IOS icon尺寸_app_内存溢出

概述http://developer.apple.com/library/ios/#documentation/userexperience/conceptual/mobilehig/IconsImages/IconsImages.html Description Size for iPhone and iPod touch (in pixels) Size for high-resolution i

http://developer.apple.com/library/ios/#documentation/userexperIEnce/conceptual/mobilehig/IconsImages/IconsImages.HTML

Description	Size for iPhone and iPod touch (in pixels)	Size for high-resolution iPhone and iPod touch (in pixels)	Size for iPad (in pixels)	Size for high-resolution iPad (in pixels)	GuIDelines
Application icon (required for all apps)	57 x 57	114 x 114	72 x 72	144 x 144	“Application Icons”
App icon for the App Store (required for all apps)	512 x 512	1024 x 1024 (recommended)	Launch image (required for all apps)	320 x 480	640 x 960	768 x 1004 (portrait) 1024 x 748 (landscape)	1536 x 2008 (portrait) 2048 x 1496 (landscape)	“Launch Images”
Small icon for Spotlight search results and Settings (recommended)	29 x 29	58 x 58	50 x 50 (Spotlight search results) 29 x 29 (Settings)	100 x 100 (Spotlight search results) 58 x 58 (Settings)	“Small Icons”
document icon (if necessary for custom document types)	22 x 29	44 x 58	64 x 64 320 x 320	128 x 128 640 x 640	“Document Icons”
Web clip icon (recommended for web apps and websites)	“Web Clip Icons”
Toolbar and navigation bar icon (optional)	Approximately 20 x 20	Approximately 40 x 40	“Icons for Navigation Bars,Toolbars,and Tab Bars”
Tab bar icon (optional)	Approximately 30 x 30	Approximately 60 x 60	Default Newsstand cover icon for the App Store (required for Newsstand apps)	At least 512 pixels on the longest edge	At least 1024 pixels on the longest edge	“Newsstand Icons”