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我有一个tableview,可以在选择单元格时展开,并在再次选择时折叠。选择时,单元格应展开并显示一个标签,当您再次选择时,它会折叠并隐藏标签。展开和折叠工作正常,但如果我扩大单元格后滚动tableview它表现奇怪。一旦它退出视图并返回,单元格将具有展开的单元格的高度,但应该在展开的单元格中显示的标签是隐藏的。如果我再次选择该单元格,它会折叠并显示标签。我用,UITableviewCell高度在滚动上没有得到重置
- (CGFloat)tableView:(UITableView *)t heightForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [self tableView:t cellForRowAtIndexPath:indexPath];
if([self cellIsSelected:indexPath])
return cell.frame.size.height+35;
return cell.frame.size.height;
}
- (BOOL)cellIsSelected:(NSIndexPath *)indexPath {
// Return whether the cell at the specified index path is selected or not
NSNumber *selectedIndex = [self.selectedIndexes objectForKey:indexPath];
return selectedIndex == nil ? FALSE : [selectedIndex boolValue];
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
// Deselect cell
NSLog(@"Select cell:%@",indexPath);
[self.tableView deselectRowAtIndexPath:indexPath animated:TRUE];
if([self pickTaskForIndexPath:indexPath].productSpecialMessage){
BOOL isSelected = ![self cellIsSelected:indexPath];
NSNumber *selectedIndex = [NSNumber numberWithBool:isSelected];
[self.selectedIndexes setObject:selectedIndex forKey:indexPath];
PickTaskTableviewCell *cell= [self.tableView cellForRowAtIndexPath:indexPath];
cell.message.hidden=false;
cell.messageLabel.text=[self pickTaskForIndexPath:indexPath].productSpecialMessage;
cell.messageLabel.lineBreakMode=NSLineBreakByTruncatingTail;
cell.messageLabel.numberOfLines=3;
if(cell.messageLabel.hidden==true){
cell.messageLabel.hidden = false;
} else {
cell.messageLabel.hidden = true;
}
NSLog(@"message:%@",cell.messageLabel.text);
[cell layoutIfNeeded];
}
self.tableView.rowHeight=UITableViewAutomaticDimension;
[self.tableView beginUpdates];
[self.tableView endUpdates];
}
indexPath被添加到selectedIndexes上didSelectRowAtIndexPath方法 请帮我
如果问题是与标签,请在选择(取消选择)上贴上显示(隐藏)标签的代码。 – danh
添加了didSelectRowAtIndexPath方法 –