Xcode9启动图及icon分辨率、尺寸、大小

启动页尺寸大小

*Device*                    *Portrait*                *Landscape size*
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12.9" iPad Pro              2048px × 2732px          2732px × 2048px
10.5" iPad Pro              1668px × 2224px          2224px × 1668px
9.7" iPad                   1536px × 2048px          2048px × 1536px
7.9" iPad mini 4            1536px × 2048px          2048px × 1536px
iPhone XS Max               1242px x 2688px          2688px x 1242px 
iPhone XR                   828px x 1792px           1792px x 828px  
iPhone X                    1125px × 2436px          2436px × 1125px
iPhone 8 Plus               1242px × 2208px          2208px × 1242px
iPhone 8                    750px × 1334px           1334px × 750px
iPhone 7 Plus               1242px × 2208px          2208px × 1242px
iPhone 7                    750px × 1334px           1334px × 750px
iPhone 6s Plus              1242px × 2208px          2208px × 1242px
iPhone 6s                   750px × 1334px           1334px × 750px
iPhone SE                   640px × 1136px           1136px × 640px
iphone 4                    640px x 960px           

以下为去重后的分辨率:

1242px x 2688px          

828px x 1792px           

1125px × 2436px       

1242px × 2208px      

750px × 1334px      

640px × 1136px      

640px × 960px