xcode 扩展 UITableViewCell
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Expanding UITableViewCell
提问by Sean Danzeiser
I am trying to expand a UITableViewCell to reveal more content. So far i've got the animation down, but my problem is the new content appears before the animation is complete. Here is my code:
我正在尝试扩展 UITableViewCell 以显示更多内容。到目前为止，我已经完成了动画，但我的问题是新内容在动画完成之前出现。这是我的代码：
ps the description label and read button both start off as hidden when the cell is configured.
ps 配置单元格时，描述标签和阅读按钮都以隐藏状态开始。
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
self.selectedRow = indexPath;
SDJCell *cell = (SDJCell *)[tableView cellForRowAtIndexPath:indexPath];
[tableView beginUpdates];
[tableView endUpdates];
cell.descriptionLabel.hidden = NO;
cell.readButton.hidden = NO;
}
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath {
SDJCell *cell = (SDJCell *)[tableView cellForRowAtIndexPath:indexPath];
[tableView beginUpdates];
[tableView endUpdates];
cell.descriptionLabel.hidden = YES;
cell.readButton.hidden = YES;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if(selectedRow && indexPath.row == selectedRow.row) {
return 100;
}
return 44;
}
Any ideas for how I can reveal this extra content after the cell is done expanding??
关于如何在单元格完成扩展后显示这些额外内容的任何想法？
Thanks!!
谢谢！！
回答by aryaxt
I had the exact same problem. The solution is to set the autoresizing mask of the cell, so that it resizes along with its superview.
我有同样的问题。解决方案是设置单元格的自动调整大小掩码，以便它随父视图一起调整大小。
cell.autoresizingMask = UIViewAutoresizingFlexibleHeight;
cell.clipsToBounds = YES;
you could also do this in sotoryboard, both flags can be set under identity inspector
您也可以在 sotoryboard 中执行此操作，可以在身份检查器下设置两个标志
