截至2017年6月14日更新，来源如下: http://help.apple.com/itunes-connect/developer/#/devd274dd925

截图说明

5.5-Inch Retina Display 1242 x 2208 pixels for portrait 2208 x 1242 pixels for landscape 4.7-Inch Retina Display 750 x 1334 pixels for portrait 1334 x 750 pixels for landscape 4-Inch Retina Display 640 x 1096 pixels for portrait (without status bar) 640 x 1136 pixels for portrait (full screen) 1136 x 600 pixels for landscape (without status bar) 1136 x 640 pixels for landscape (full screen) 3.5-Inch Retina Display 640 x 920 pixels for portrait (without status bar) 640 x 960 pixels for portrait (full screen) 960 x 600 pixels for landscape (without status bar) 960 x 640 pixels for landscape (full screen) 12.9-Inch Retina Display 2048 x 2732 pixels for portrait 2732 x 2048 pixels for landscape 9.7-Inch Retina Display High Resolution: 2048 x 1496 pixels for landscape (without status bar) 2048 x 1536 pixels for landscape (full screen) 1536 x 2008 pixels for portrait (without status bar) 1536 x 2048 pixels for portrait (full screen) Standard resolution: 1024 x 748 pixels for landscape (without status bar) 1024 x 768 pixels for landscape (full screen) 768 x 1004 pixels for portrait (without status bar) 768 x 1024 pixels for portrait (full screen) macOS One of the following, with a 16:10 aspect ratio. 1280 x 800 pixels 1440 x 900 pixels 2560 x 1600 pixels 2880 x 1800 pixels tvOS 1920 x 1080 pixels watchOS 312 x 390 pixels

在Xcode 9中，除了将窗口比例设置为100%(⌘1)外，现在还需要在调试菜单中取消选择窗口比例的优化呈现，以便获得适当分辨率的截图。

要截取应用商店中使用的适当大小的截图:

1)。在模拟器中运行应用程序 2)。设置刻度(⌘1) 3)。取消选中优化渲染窗口缩放调试菜单 4)。使用⌘S进行截图

(在这里交叉发布我的答案:https://stackoverflow.com/a/25775147/798533)

对于任何想要上传图像分辨率的人(如果你想创建一些花哨的photoshop截图)，它们是:

iPhone 6: 750 × 1334 iPhone 6 Plus: 1242 × 2208

这里有很好的参考指南:http://www.paintcodeapp.com/news/iphone-6-screens-demystified(谈论iPhone 6+的分辨率和下采样)。

我知道有很多精心设计的答案。我从苹果网站上找到了一个正确的文档，他们已经指定了截图要求的规范。下面是链接 https://help.apple.com/app-store-connect/#/devd274dd925

苹果公司链接

下面是关于屏幕尺寸的信息。这些细节摘自苹果官网

iTunes connect可接受以下分辨率:

iPhone 3+4 (3.5 Inch) 640 x 960 iPhone 5, iPhone 5S, iPhone 5C (4 Inch) 640 x 1136 iPhone 6, iPhone 6S, iPhone 7, iPhone 8 (4.7 Inch) 750 x 1334 iPhone 6 Plus, iPhone 6S Plus, iPhone 7 Plus, iPhone 8 Plus (5.5 Inch) 1242 x 2208 You need the screenshot in this resolution, the phone scales them down to 1080 x 1920 iPhone X (5.8 Inch) 1125 x 2436 iPhone XR (6.1 Inch) 828 x 1792 iPhone XS (5.8 Inch) 1125 x 2436 iPhone XS Max (6.5 Inch) 1242 x 2688 iPad Mini 2, iPad Mini 3, iPad Mini 4 (7.9 Inch) 1536 x 2048 iPad 3, iPad 4, iPad Pro, iPad Air, iPad Air 2 (9.7 Inch) 1536 x 2048 iPad Pro (10.5 Inch) 1668 x 2224 iPad Pro (12.9 Inch) 2048 x 2732 Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 - 38mm (1.5 Inch) 272 x 340 Apple Watch Series 4 - 40mm (1.57 Inch) 394 x 324 Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 - 42mm (1.65 Inch) 312 x 390 Apple Watch Series 4 - 44mm (1.78 Inch) 448 x 368

甚至苹果关于此事的文件也不完整。

更新:苹果公司推出了一个新的媒体管理器，它只需要你为最大的iPhone和/或iPad设备创建艺术品。将为您创建较小的图像。请注意，如果您以前没有创建iPad Pro图像，那么现在必须创建(如果您支持iPad)。

更新:现在支持新设备的截图和应用程序预览。