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我有一个设置好的tableView。 正如您在下面看到的，当对象@“发送”的值更改为@“是”时，我想将图像添加到我的单元格中。完成后我调用[sendTable reloadData]，但tableview没有任何反应。只有当我重新启动应用程序时，我的图像才能正确显示在单元格中。 所以显然reloadData在这里没有做任何事情。更改数据后重新加载自定义单元格
有人可以找出问题吗？
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell;
if (tableView == sendTable) {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *writableDBPath = [documentsDirectory stringByAppendingPathComponent:@"savedItems.plist"];
savedItemsArray = [NSMutableArray arrayWithContentsOfFile:writableDBPath];
NSDictionary* item = [savedItemsArray objectAtIndex:indexPath.row];
NSString *temp = [NSString stringWithFormat:@"%@,%@", [[savedItemsArray valueForKey:@"name"]objectAtIndex:indexPath.row],
[[savedItemsArray valueForKey:@"message"]objectAtIndex:indexPath.row]];
UIView *background;
cell = [self.sendTable dequeueReusableCellWithIdentifier:temp];
if (cell == nil)
{
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:temp];
cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
cell.selectionStyle = UITableViewCellSelectionStyleGray;
background = [[UIView alloc] initWithFrame:cell.frame];
[cell addSubview:background];
[cell sendSubviewToBack:background];
}
if ([[item objectForKey:@"sent"] isEqualToString: @"no"]) {
UILabel *personLabel = [[UILabel alloc]initWithFrame:CGRectMake(10, 10, cell.frame.size.width-150, 20)];
personLabel.backgroundColor = [UIColor clearColor];
personLabel.text = [NSString stringWithFormat: @"%@",[item objectForKey:@"name"]];
personLabel.font = [UIFont boldSystemFontOfSize:17];
UILabel *personLabel2 = [[UILabel alloc]initWithFrame:CGRectMake(10, 30, cell.frame.size.width-150, 20)];
personLabel2.backgroundColor = [UIColor clearColor];
personLabel2.text = [NSString stringWithFormat: @"(%@)", [item objectForKey:@"number"]];
personLabel2.font = [UIFont systemFontOfSize:15];
UILabel *dateLabel = [[UILabel alloc]initWithFrame:CGRectMake(cell.frame.size.width-125, 10, 80, 40)];
dateLabel.backgroundColor = [UIColor clearColor];
dateLabel.text = [NSString stringWithFormat: @"%@\n%@",[item objectForKey:@"date"], [item objectForKey:@"time"]];
dateLabel.textColor = [UIColor darkGrayColor];
dateLabel.textAlignment = NSTextAlignmentRight;
dateLabel.font = [UIFont systemFontOfSize:13];
dateLabel.numberOfLines = 2;
UILabel *messageLabel = [[UILabel alloc]initWithFrame:CGRectMake(10, 60, cell.frame.size.width-50, 20)];
messageLabel.backgroundColor = [UIColor clearColor];
messageLabel.text = [NSString stringWithFormat: @"%@",[item objectForKey:@"message"]];
messageLabel.textColor = [UIColor lightGrayColor];
messageLabel.font = [UIFont systemFontOfSize:15];
[background addSubview:personLabel];
[background addSubview:personLabel2];
[background addSubview:dateLabel];
[background addSubview:messageLabel];
[cell addSubview:background];
}else{
UILabel *personLabel = [[UILabel alloc]initWithFrame:CGRectMake(40, 10, cell.frame.size.width-170, 20)];
personLabel.backgroundColor = [UIColor clearColor];
personLabel.text = [NSString stringWithFormat: @"%@",[item objectForKey:@"name"]];
personLabel.font = [UIFont boldSystemFontOfSize:17];
UILabel *personLabel2 = [[UILabel alloc]initWithFrame:CGRectMake(40, 30, cell.frame.size.width-170, 20)];
personLabel2.backgroundColor = [UIColor clearColor];
personLabel2.text = [NSString stringWithFormat: @"(%@)", [item objectForKey:@"number"]];
personLabel2.font = [UIFont systemFontOfSize:15];
UILabel *dateLabel = [[UILabel alloc]initWithFrame:CGRectMake(cell.frame.size.width-125, 10, 80, 40)];
dateLabel.backgroundColor = [UIColor clearColor];
dateLabel.text = [NSString stringWithFormat: @"%@\n%@",[item objectForKey:@"date"], [item objectForKey:@"time"]];
dateLabel.textColor = [UIColor darkGrayColor];
dateLabel.textAlignment = NSTextAlignmentRight;
dateLabel.font = [UIFont systemFontOfSize:13];
dateLabel.numberOfLines = 2;
UILabel *messageLabel = [[UILabel alloc]initWithFrame:CGRectMake(40, 60, cell.frame.size.width-80, 20)];
messageLabel.backgroundColor = [UIColor clearColor];
messageLabel.text = [NSString stringWithFormat: @"%@",[item objectForKey:@"message"]];
messageLabel.textColor = [UIColor lightGrayColor];
messageLabel.font = [UIFont systemFontOfSize:15];
UIImage *checkmarkImage = [UIImage imageNamed:@"done.png"];
UIImageView *checkmark = [[UIImageView alloc] initWithImage:checkmarkImage];
[checkmark setFrame:CGRectMake(10, 35, 20, 20)];
[background addSubview:personLabel];
[background addSubview:personLabel2];
[background addSubview:dateLabel];
[background addSubview:messageLabel];
[background addSubview:checkmark];
[cell addSubview:background];
}
}
return cell;
}
非常感谢！