How to make UIToolbar have a Clear Background?

Question

I have a UIToolbar that has a white tint, with a bar button item, followed by some flexible space, followed by another bar button item. I would like to make the toolbar complete

Answer 1

There is a solution in @ievgen answer in Swift 5.1

toolbar.setBackgroundImage(UIImage(), forToolbarPosition: .any, barMetrics: .default)
toolbar.backgroundColor = .clear

If you want to clear the separator gray line

toolbar.setShadowImage(UIImage(), forToolbarPosition: .any)

Answer 2

It can be done without subclassing in iOS 6+ with setting the property translucent to `YES.

This will not work in iOS 5 in below. Here's how it can be done without subclassing toolbar:

const float colorMask[6] = {222, 255, 222, 255, 222, 255};
UIImage *img = [[UIImage alloc] init];
UIImage *maskedImage = [UIImage imageWithCGImage: CGImageCreateWithMaskingColors(img.CGImage, colorMask)];

[self.toolbar setBackgroundImage:maskedImage forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];