ios dynamically sets the height of the lbl text label
- 2020-05-07 20:30:29
- OfStack
txtlbl.font = [UIFont boldSystemFontOfSize:14.0f];
txtlbl.numberOfLines = 0;
NSString *str = @" A side decided to set up a special network to leave the TV drama w Well, two continents have lost their high-tech Japan i Countdown to leave I said the teacher KFC frank sa jiangdong fathers will fiddler said a side decided to set up technology special network to leave TV sub w Well, two continents have lost their high-tech Japan i Countdown to leave me said teacher KFC frank sa jiangdong father will fidler said ";
CGSize size = [str sizeWithFont:txtlbl.font constrainedToSize:CGSizeMake(txtlbl.frame.size.width, MAXFLOAT) lineBreakMode:NSLineBreakByWordWrapping];
// Reset according to the calculation result txtlbl The size of the
[txtlbl setFrame:CGRectMake(7, 0, 310, size.height)];
txtlbl.text = str;
Method 2:
// iOS7_API_ According to the word Dynamic determination of word count Label Wide high
// Set up the Label The font HelveticaNeue Courier
UIFont *fnt = [UIFont fontWithName:@"HelveticaNeue" size:24.0f];
_nameLabel.font = fnt;
// According to the font NSString The size of the
CGSize size = [_nameLabel.text sizeWithAttributes:[NSDictionary dictionaryWithObjectsAndKeys:fnt,NSFontAttributeName, nil]];
// The name of the H
CGFloat nameH = size.height;
// The name of the W
CGFloat nameW = size.width;
_nameLabel.frame = CGRectMake(0, 0, nameW,nameH);
Method 3:
// The width of the W
CGFloat contentW = self.bounds.size.width - _content.frame.origin.x - kMargin;
// label The font HelveticaNeue Courier
UIFont *fnt = [UIFont fontWithName:@"HelveticaNeue" size:18.0f];
_content.font = fnt;
_content.numberOfLines = 0;
_content.lineBreakMode = NSLineBreakByWordWrapping;
// iOS7 Replace the outdated with the following methods iOS6 In the sizeWithFont:constrainedToSize:lineBreakMode: methods
CGRect tmpRect = [_content.text boundingRectWithSize:CGSizeMake(contentW, 1000) options:NSStringDrawingUsesLineFragmentOrigin attributes:[NSDictionary dictionaryWithObjectsAndKeys:fnt,NSFontAttributeName, nil] context:nil];
// highly H
CGFloat contentH = tmpRect.size.height;
NSLog(@" Adjust the display width :%f, According to height :%f"contentW,contentH);
_content.frame = CGRectMake(0, 0, contentW,contentH);