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POResizing custom UITableViewCell's subviews on creation
 

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  1. POResizing custom UITableViewCell's subviews on creation
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    <p>I'm attempting to create a custom UITableViewCell with its own XIB, of which contains two important, editable components:</p> <ul> <li>UILabel</li> <li>UIImage with 'end-cap insets' - this image sits behind the label, and resizes with it</li> </ul> <p>When I create my UITableViewCell I can set its label's text easily, but in the same method I also try to change the UIImage's frame to match that of the UILabel's. However, this is not happening until I 'reload' the cell by scrolling the table view to dequeue it and bring it back into view.</p> <p>I create the custom table view cell in my view controller's .m:</p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *UITableViewCellIdentifier = @"msgCell"; RMMessageCell *cell = [tableView dequeueReusableCellWithIdentifier:UITableViewCellIdentifier]; if (cell == nil) { NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"MessageCell" owner:self options:nil]; cell = [topLevelObjects objectAtIndex:0]; [cell customInit]; //This sets up the ImageView's image etc } [cell setMessageValue:[_messages objectAtIndex:indexPath.row]]; //SEE BELOW return cell; } </code></pre> <p>...And in my custom cell's .m, I deal with setting the text label and resizing the image with this method:</p> <pre><code>- (void)setMessageValue:(NSString *)message { _testLabel.text = message; // Assume the text label's frame has already been set to the message's length // (will add this in once I figure out how to change the imageView's // frame correctly) // Set the image view's frame to the label's // THIS DOES NOT TAKE EFFECT UNTIL THE TABLE VIEW IS RE-SCROLLED CGRect frame = _imageView.frame; frame.size.width = _testLabel.frame.size.width + 8; _imageView.frame = frame; } </code></pre>
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    1. COWhat auto resizing rules do you have set on the label and the image view? What row height are you setting? You shouldn't be setting the frame of cell content directly like this. It also isn't a great idea to be the owner of the table cell (subclass the table cell to reference the sun views instead).
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    2. COThey resize to fit the cell's height, but this isn't a question of height; what I'm trying to do is stretch the image horizontally behind the UILabel - so, for example, if one cell's text is "The" and the other is "Foxtrot", 'foxtrot's cell's image will be wider than 'the's. Also, I was under the impression that setting the owner as self is normal practice as per the docs?
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    3. COMaking yourself the owner of the table means that the instance variables you use to interact with the cell sub views only ever refer to the last cell created. No use if you are creating multiple cells.
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