制作精美的tabBar图标 [英] Make a fine tabBar icon

问题描述

我们知道tabBar的默认图标大小是30x30点。我有一个细线图标，显示属性不是那么好。它的边缘不锋利。但是我发现music.app的tabBar图标真的非常漂亮。有什么技巧我应该知道吗？提前致谢！

As we know the default icon size for the tabBar is 30x30 point. I have an icon with thin lines and the display property is not that good. Its edge is not sharp. But I find the tabBar icon of music.app is really pretty with sharp edge. Is there any trick I should know? Thanks in advance!

推荐答案

这是30x30点，可能是30x30像素，或60x60像素，具体取决于设备是否有视网膜显示器。该图像看起来显示在视网膜设备上。

It's 30x30 points, which could be either 30x30 pixels, or 60x60 pixels, depending if the device has a retina display or not. That image looks to be displayed on a retina device.

如果你有一个图像，例如，名为MusicTabIcon.png，有两个版本......

If you have an image, for example, named MusicTabIcon.png, have two versions...

1. 一个@ 30x30像素名为MusicTabIcon.png


2. 一个@ 60x60像素，名为[e-mail]

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