How can I color a UIImage in Swift?

Question

I have an image called arrowWhite. I want to colour this image to black.

func attachDropDownArrow() -> NSMutableAttributedString {
    let im         


        

Answer 1

There's a built in method to obtain a UIImage that is automatically rendered in template mode. This uses a view's tintColor to color the image:

let templateImage = originalImage.imageWithRenderingMode(UIImageRenderingModeAlwaysTemplate)
myImageView.image = templateImage
myImageView.tintColor = UIColor.orangeColor()