didSelectRowAtIndexPath不会被调用到cellForRowAtIndex的UIButton

我知道这个问题有很多重复，但我的要求是我在一个单元格上添加了两个UIButtons，两个按钮都会打开两个不同的视图。 如果我将属性userInteractionEnabled设置为YES，那么它将不会从下面的代码中拍摄didSelectRowAtIndexPath中的’finalID’。

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { if(tableView == self.tableViewProject){ static NSString *cellId = @"attachmentCellId"; attachmentCell *cell = (attachmentCell *)[self.tableViewProject dequeueReusableCellWithIdentifier:cellId]; if(!cell) { if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"attachmentCell" owner:self options:Nil]; for(id object in nib) { if([object isKindOfClass:[attachmentCell class]]) { cell = (attachmentCell *)object; break; } } UIButton *button; button = [[UIButton alloc] initWithFrame:CGRectMake(162, 0, 75, 53)]; [button addTarget:self action:@selector(buttonClicked) forControlEvents:UIControlEventTouchUpInside]; button.userInteractionEnabled = YES; //button.userInteractionEnabled = NO; [cell.contentView addSubview:button]; UIButton *buttonAttach = [[UIButton alloc] initWithFrame:CGRectMake(245, 0, 75, 53)]; [buttonAttach addTarget:self action:@selector(buttonAttachClicked) forControlEvents:UIControlEventTouchUpInside]; buttonAttach.userInteractionEnabled = YES; //buttonAttach.userInteractionEnabled = NO; [cell.contentView addSubview:buttonAttach]; cell = [nib objectAtIndex:0]; SaveAttachment *attach = [array objectAtIndex:indexPath.row]; cell.name.text = attach.name; cell.list.text = [NSString stringWithFormat:@"%d", attach.list]; cell.attachment.text = [NSString stringWithFormat:@"%d", attach.attachment]; cell.date.text = attach.date; } return cell; } 

而我的DidSelectRowAtIndexPath是

 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSLog(@"Array == %@", anotherTempArray); NSString *finalId = [NSString stringWithFormat:@"%@", [anotherTempArray objectAtIndex:indexPath.row]]; NSLog(@"final id for selected row = %@", finalId); NSUserDefaults *defaultForFinalId = [NSUserDefaults standardUserDefaults]; NSString *setFinalId = finalId; [defaultForFinalId setObject:setFinalId forKey:@"SETFINALID"]; if(tableView == self.tableViewProject) { [self buttonClicked]; //[self viewDidLoadForList]; } if(tableView == self.tableViewAttachmentList) { [self buttonAttachClicked]; } } 

Answer 1

如果你想在单元格中调用UIButton的选择器，那么你不需要使用didSelectRowAtIndexPath方法。

你所做的是正确的向UIButton添加处理程序。 现在，删除你的didSelectRowAtIndexPath代码到按钮的点击处理程序。 以下是如何从按钮单击处理程序获取indexPath。

 - (void)buttonClicked:(UIButton *)sender { UITableViewCell *cell = (UITableViewCell*)sender.superview.superview; //Since you are adding to cell.contentView, navigate two levels to get cell object NSIndexPath *indexPath = [tableView indexPathForCell:cell]; // Now you can do the code you put in didSelectRow here. } 

希望这可以帮助。

Answer 2

更改按钮选择器的代码

 [button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; //add colon in selector buttonClicked [buttonAttach addTarget:self action:@selector(buttonAttachClicked:) forControlEvents:UIControlEventTouchUpInside]; //add colon in selector buttonAttachClicked 

Answer 3

如果U使用按钮而不是U则不需要使用didSelectRowAtIndexPath。 在按钮上设置标签以匹配cellForRowAtIndexPath中单元格的indexPath.row …这样当U按下buttonAttachClicked或buttonClicked中的按钮时，只需检查发件人标签并从UITableView中拉出该单元格

将此代码用于cellForRowAtIndexPath

  -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { if(tableView == self.tableViewProject){ static NSString *cellId = @"attachmentCellId"; attachmentCell *cell = (attachmentCell *)[self.tableViewProject dequeueReusableCellWithIdentifier:cellId]; if(!cell) { if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"attachmentCell" owner:self options:Nil]; for(id object in nib) { if([object isKindOfClass:[attachmentCell class]]) { cell = (attachmentCell *)object; break; } } cell.button = [[UIButton alloc] initWithFrame:CGRectMake(162, 0, 75, 53)]; [cell.button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; [cell.contentView addSubview:cell.button]; cell.buttonAttach = [[UIButton alloc] initWithFrame:CGRectMake(245, 0, 75, 53)]; [cell.buttonAttach addTarget:self action:@selector(buttonAttachClicked:) forControlEvents:UIControlEventTouchUpInside]; [cell.contentView addSubview:cell.buttonAttach]; cell = [nib objectAtIndex:0]; } SaveAttachment *attach = [array objectAtIndex:indexPath.row]; cell.name.text = attach.name; cell.list.text = [NSString stringWithFormat:@"%d", attach.list]; cell.attachment.text = [NSString stringWithFormat:@"%d", attach.attachment]; cell.date.text = attach.date; [cell.button setTag:indexPath.row]; [cell.buttonAttach setTag:indexPath.row]; return cell; }