1.iPhone5分辨率320x568,像素640x1136,@2x

2.iPhone6分辨率375x667,像素750x1334,@2x

3.iPhone6 Plus分辨率414x736,像素1242x2208,@3x,

不处理时自动等比拉伸,如果在老工程打印屏幕frame,依然是320x568

更多信息参考:

  • Icon and Image Sizes

    https://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/IconMatrix.html#//apple_ref/doc/uid/TP40006556-CH27-SW1

  • Launch Images:

    https://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/LaunchImages.html#//apple_ref/doc/uid/TP40006556-CH22-SW1