CODEWITHSUNDEEP
iosstringswiftheight
Josip Bogdan
Josip Bogdan

Reputation: 588

How to get string height using width and font size?

I need to know string height so I can set cell height. The problem is I am getting string asynchronous, and I need to know cell Height before creating collection view. And I need this to work with different languages (special characters).

String will be in a label inside the cell. I had some of my solutions, but one did not work with other languages, and the other did work but didnt get the real heigth.

Upvotes: 0

Views: 592

Answers (3)

mohsen
mohsen

Reputation: 5058

use it o Swift 5

extension UILabel {
    func calculateHeight() -> CGFloat {
        let size = self.sizeThatFits(CGSize(width: self.bounds.width, height: CGFloat.greatestFiniteMagnitude))
        return size.height
    }
}

Upvotes: 0

wj2061
wj2061

Reputation: 6885

    CGRect rect =[yourLabeltextString boundingRectWithSize:CGSizeMake(yourLabel.width, CGFLOAT_MAX) 
                 options:(NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin) 
              attributes:@{NSFontAttributeName:[UIFont fontWithName:@"Helvetica" size:17]} 
                 context:nil];
  CGFloat height=rect.height;

Use the code above, and change the attributes to the one you prefered.You can get the height of your String.

Upvotes: 1

poyo fever.
poyo fever.

Reputation: 752

try this function and i hope it will help you :

- (CGFloat)calculateHeightForLabel:(UILabel *)label
{
    CGRect frame = label.frame;
    CGSize size = [label sizeThatFits:CGSizeMake(frame.size.width, FLT_MAX)];
    return size.height;
}

Upvotes: 0

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