iOS 启动图大小、命名规则

For iPhone 6
750 x 1334 (@2x) for portrait
1334 x 750 (@2x) for landscape

For iPhone 6 Plus:
1242 x 2208 (@3x) for portrait
2208 x 1242 (@3x) for landscape

4.0 inch screen:
Default-568h@2x.png (old 640x1136 ~ for iPhone 5)

4.0 inch screen:
LaunchImage-700-568h@2x.png (new 640x1136 ~ for iPhone 5)

4.7 inch screen:
LaunchImage-800-667h@2x.png (750x1334 ~ for iPhone 6)

5.5 inch screen:
LaunchImage-800-Portrait-736h@3x.png (1242x2208 ~ for iPhone 6 Plus Portrait)
5.5 inch screen:
LaunchImage-800-Landscape-736h@3x.png (2208x1242 ~ for iPhone 6 Plus Landscape)

Retina iPad:
Default-Portrait@2x~ipad.png (1536x2048 ~ for Retina iPad Portrait)

Retina iPad:
Default-Landscape@2x~ipad.png (2048x1536 ~ for Retina iPad Landscape)

iPad Mini/iPad:
Default-Portrait~ipad.png (768x1024 ~ for iPad Portrait)

iPad Mini/iPad:
Default-Landscape~ipad.png (1024x768 ~ for iPad Landscape)

启动图.png