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POChange height of cell with change frame of content
 

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  1. POChange height of cell with change frame of content
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    <p>I can make animating of changing row height but it is bad with UITableViewRowAnimationFade, because it's flickers when animate</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; self.title = @"Main VC"; selectedIndexes = [NSMutableDictionary new]; } - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration { [self.tableView reloadData]; } - (BOOL)cellIsSelected:(NSIndexPath *)indexPath { NSNumber *selectedIndex = [selectedIndexes objectForKey:indexPath]; return selectedIndex == nil ? NO : [selectedIndex boolValue]; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { static BOOL noFirst; if (!indexPath.row &amp;&amp; !noFirst) { [selectedIndexes setObject:@(YES) forKey:indexPath]; noFirst = YES; } if ([self cellIsSelected:indexPath]) { UIImage *cellImage = HelperDf.dataArray[indexPath.row][@"image"]; CGFloat aspectRatioIndex = cellImage.size.height / cellImage.size.width; return [Utils screenWidth:self.interfaceOrientation] * aspectRatioIndex; } else { return heightCell; } } </code></pre> <p>My didSelectRowAtIndexPath</p> <pre><code>- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSMutableSet *insideSet = [NSMutableSet new]; [insideSet addObject:indexPath]; BOOL isSelected = ![self cellIsSelected:indexPath]; for (NSIndexPath *keyIndexPath in selectedIndexes) { [insideSet addObject:keyIndexPath]; } [selectedIndexes removeAllObjects]; [selectedIndexes setObject:@(isSelected) forKey:indexPath]; [tableView reloadRowsAtIndexPaths:insideSet.allObjects withRowAnimation:UITableViewRowAnimationNone]; } </code></pre> <p>So if I use <code>[tableView beginUpdates] [tableView endUpdates</code> it is problems with change frame of my labels and <code>numberOfLinew</code>. How I can change frames of my labels and other parametres, that I change in <code>cellForRowAtIndexPath</code> </p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"MainCell"; MainCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; NSDictionary *dataDictionary = HelperDf.dataArray[indexPath.row]; cell.titleLabel.text = dataDictionary[@"title"]; cell.descriptionLabel.width = [Utils screenWidth:self.interfaceOrientation] - 40; cell.descriptionLabel.text = dataDictionary[@"fullText"]; if ([self cellIsSelected:indexPath]) { cell.sequeBtn.hidden = NO; cell.pictureView.contentMode = UIViewContentModeScaleToFill; cell.descriptionLabel.numberOfLines = 7; } else { cell.sequeBtn.hidden = YES; cell.pictureView.contentMode = UIViewContentModeScaleAspectFill; cell.descriptionLabel.numberOfLines = 2; } [cell.descriptionLabel sizeToFit]; cell.pictureView.image = dataDictionary[@"image"]; return cell; } - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath { MainCell *mainCell = (MainCell *)cell; mainCell.descriptionLabel.originY = mainCell.sequeBtn.hidden ? heightCell - mainCell.descriptionLabel.height - 5 : mainCell.height - mainCell.sequeBtn.height - mainCell.descriptionLabel.height - 12; } </code></pre>
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