iPhone图标大小 [英] iPhone icon size

问题描述

我正在开发一款支持iPhone的应用程序iPhone 2-4。我的应用程序图标出现了问题，因为它在iPhone 4 模拟器中显示为像素化，因此我使用了具有更高分辨率（300 x 300）的新图像。在模拟器上，它对iPhone 4和iPhone设备模拟器都很好。但是，当我将我的应用移植到iPhone 3实际设备时，图标根本没有显示，而是我得到一个空白的白色图标。我还没有iPhone 4所以我无法判断物理设备上是否会出现同样的问题。

I am developing an application for iPhone to support multiple devices, iPhone 2-4. I had an issue with the app icon as it was shown pixelated in the iPhone 4 simulator so I have used a new image with higher resolution (300 x 300) to be precise. On the simulator its showing fine for both iPhone 4 and the iPhone device simulators. However, when I ported my app to an iPhone 3 actual device the icon did not show at all and instead I get a blank white icon. I don't have an iPhone 4 yet so I cant tell if the same issue will happen on the physical device.

我不确定什么是最佳尺寸/ dpi用于在iPhone 4和旧设备上完美显示图标？如果可能的话，我将不胜感激。

I am not sure what is the best dimensions/dpi to use for an icon to display perfectly on an iPhone 4 and older devices? Would appreciate a help if possible..

推荐答案

对于旧设备，请将 57x57 图标另存为的icon.png 。对于iPhone 4，将 114x114 图标保存为 [e-mail] 。图像分辨率根本不重要;只有像素尺寸很重要。

For older devices, save your 57x57 icon as Icon.png. For the iPhone 4, save your 114x114 icon as [e-mail]. The image resolution doesn't matter at all; only the pixel dimensions matter.

还有其他尺寸可供选择，例如Spotlight / Settings图标和iPad图标。有一个完整的列表写在图书馆文档。

There are other sizes to cater to, like Spotlight/Settings icons and iPad icons. There's a full list written up in the library documentation.

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