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PONSString sizeWithFont:constrainedToSize: computing wrong height
 

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  1. PONSString sizeWithFont:constrainedToSize: computing wrong height
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    <p>I have a Subtitle style UITableViewCell which height changes dynamically depending on the length of the text for each field. The problem is that the textLabel's height (CGSize size) does not increase if the label has multiple lines.</p> <p><img src="https://i.stack.imgur.com/fZNlC.png" alt="http://s10.postimg.org/6urher7s9/text_Label.png"></p> <p>The weird part is that the detailTextLabel's height is increasing as it should (CGSize size2). The code to calculate both heights are identical.</p> <p><img src="https://i.stack.imgur.com/HtGz9.png" alt="http://s21.postimg.org/m0af4gyw7/detail.png"></p> <p>Here is my function:</p> <pre><code>-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { SETLISTFMNS0Song *song = [[[selectedSetlist.sets objectAtIndex:indexPath.section] songs]objectAtIndex:indexPath.row]; CGSize size = [song.name sizeWithFont:[UIFont fontWithName:setlistFont size:labelFontSize] constrainedToSize:CGSizeMake(self.setsTable.bounds.size.width, CGFLOAT_MAX)]; NSLog(@"Label: \"%@\" \tLabel Size: %f W %f H", song.name, size.width, size.height); NSMutableString *detail; if ([song cover]) { detail = [[NSMutableString alloc] initWithFormat:@"(%@ cover)", [[song cover] name]]; } if ([song with]) { if (!detail) { detail = [[NSMutableString alloc] initWithFormat:@"(with %@)", [[song with] name]]; } else { [detail appendFormat:@" (with %@)", [[song with] name]]; } } if ([song info]) { if (!detail) { detail = [[NSMutableString alloc] initWithFormat:@"(%@)", [song info]]; } else { [detail appendFormat:@" (%@)", [song info]]; } } if (detail.length != 0) { CGSize size2 = [detail sizeWithFont:[UIFont fontWithName:setlistFont size:detailFontSize] constrainedToSize:CGSizeMake(self.setsTable.bounds.size.width, CGFLOAT_MAX)]; size.height += size2.height; NSLog(@"Detail Label: \"%@\" \tDetail Label Size: %f W %f H", detail, size2.width, size2.height); } return size.height + 5; } </code></pre> <p>I am also setting both textLabel's numberOfLines property to 0 in cellForRowAtIndexPath to support multiple lines:</p> <pre><code>cell.textLabel.numberOfLines = 0; cell.detailTextLabel.numberOfLines = 0; </code></pre> <p><strong>UPDATE:</strong> Thanks to @josh I now understand why this is happening. I had the width constraints set to the width of the UITableView, which is too wide. Anyone know how to find the width of the UILabel before it is created? HA!</p> <p>Thanks!</p>
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    1. USAUSTOOO
    1. USAUSTOOO
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    1. COPlease post the image links and somebody will take care of them for you.
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    2. CO@A-Live Thanks for the idea. Images are now uploaded.
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