Adjust UILabel height to text

I’ve just put this in a playground and it works for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 label.lineBreakMode = NSLineBreakMode.byWordWrapping label.font = font label.text = text label.sizeToFit() return label.frame.height } let font = UIFont(name: “Helvetica”, size: 20.0) … Read more

How does clipsToBounds work?

If my superview is a box measuring 10 units on each side, and my subview is 20 units wide, with clipsToBounds set to YES, I’ll only see the part of the subview that fits within the bounds of the superview. Otherwise, if clipsToBounds is set to NO, I’ll see the entire subview, even the parts … Read more

Html code as IFRAME source rather than a URL

You can do this with a data URL. This includes the entire document in a single string of HTML. For example, the following HTML: <html><body>foo</body></html> can be encoded as this: data:text/html;charset=utf-8,%3Chtml%3E%3Cbody%3Efoo%3C/body%3E%3C/html%3E and then set as the src attribute of the iframe. Example. Edit: The other alternative is to do this with Javascript. This is almost … Read more

UIView’s frame, bounds, center, origin, when to use what?

Marco’s answer above is correct, but just to expand on the question of “under what context”… frame – this is the property you most often use for normal iPhone applications. most controls will be laid out relative to the “containing” control so the frame.origin will directly correspond to where the control needs to display, and … Read more

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