问题
I am trying to add a custom icon as the image of a bar button item. I correctly added the image assets in the 1x, 2x, 3x sizes, but the frame is too wide for no apparent reason. The image itself is a square and does not have such a wide frame. Click the link below to see the issue. Is there a way to fix this?
Extra wide frame image
回答1:
These are the Human Interface Guidelines that the documentation recommends for custom icons.
You just need to resize the image as per standard.
1X: 25 x 25
2X: 50 x 50
3X: 75 x 75
来源：https://stackoverflow.com/questions/56388773/custom-bar-button-item-image-frame-too-wide