iPad iPhone程序增加和删除启动画面
直接拖放到程序目录下面就可以了。
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Default.png ? ? ? ? ? ?iPhone默认启动图片， ? ? 320x480或者320x460
Default@2x.png ? ? iPhone4启动图片 ? ? ?640x960或者640x920
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为iPad和iPhone程序增加启动画面非常简单，基本思路就是增加启动图片资源Default.png即可，只是要根据不同的分辨率和旋转方向需要有不同的图片尺寸。
目前的iOS设备有三种不同的分辨率：
来源：http://www.opensoce.com/?p=1311?
想要取消的话，直接删除default图片，之后
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“Command-Option-Shift-K to clean out the build folder. Even better, quit Xcode and clean out~/Library/Developer/Xcode/DerivedData?manually. Remove?all?its contents because there's a bug where Xcode will run an old version of your project that's in there somewhere. (Xcode 4.2 will show you the Derived Data folder: choose Window > Organizer and switch to the Projects tab. Click the right-arrow to the right of the Derived Data folder name.)
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In the simulator, choose iOS Simulator > Reset Content and Settings.
Finally, for completeness, you can delete the contents of /var/folders; some caching happens there too.”
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