Adding Background image to UILabel

if you want that image should be stretched to fill the Label width. try this code.

UILabel *myLabel=[[UILabel alloc] initWithFrame:CGRectMake(0, 0, 320, 20)];

UIImage *img = [UIImage imageNamed:@"a.png"];
CGSize imgSize = myLabel.frame.size;

UIGraphicsBeginImageContext( imgSize );
[img drawInRect:CGRectMake(0,0,imgSize.width,imgSize.height)];
UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();

myLabel.backgroundColor = [UIColor colorWithPatternImage:newImage];

Try doing it with code:

Objective-C:

theLabel.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"blah"]];

Swift:

theLabel.backgroundColor = UIColor(patternImage: UIImage(named: "blah")!)

Or place an UIImageView behind the label (not recommended).

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Update: placing an UIImageView behind a label was not recommended because then you would have to manage two views. But if you must do something that only an UIImageView can do this is still a good approach. I suspect that your app will actually run better this way.