问题描述
我使用 for 循环在我的滚动视图中创建标签和按钮.是否可以删除我的滚动视图内的所有对象?(我想用新内容更新它)
I use a for-loop to create labels and buttons inside my scrollView. Is it possible to remove all objects indside my scrollView? (I would like to update it with new content)
for peop in personArray{ scrollView.clearContent ?????? // Name label var label: UILabel = UILabel() label.frame = CGRectMake(8, CGFloat(nameHeight), 183, 21) label.backgroundColor = UIColor.whiteColor() label.textColor = UIColor(red: 90/255.0, green: 187/255.0, blue: 206/255.0, alpha: 1.0) label.textAlignment = NSTextAlignment.Left label.font = UIFont (name: "HelveticaNeue-Light", size: 14) label.text = " (peop.getName()) - (sex)" self.scrollView.addSubview(label) //Delete button var button = UIButton.buttonWithType(UIButtonType.System) as UIButton button.tag = playerId button.frame = CGRectMake(199, CGFloat(nameHeight), 37, 21) button.backgroundColor = colorWheel.colorsArray[7] button.setTitle("Slet", forState: UIControlState.Normal) button.addTarget(self, action: "delAction:", forControlEvents: UIControlEvents.TouchUpInside) button.setTitleColor(UIColor.whiteColor(), forState: UIControlState.Normal) self.scrollView.addSubview(button) button.titleLabel!.font = UIFont(name: "HelveticaNeue-Light", size: 14) scrollHeight = scrollHeight + 29 nameHeight = nameHeight + 29 playerId++ } scrollView.contentSize = CGSize(width: 20.0, height: CGFloat(nameHeight)) } func delAction(sender: UIButton!){ personArray.removeAtIndex(sender.tag) updatePeople() }
推荐答案
你试过了吗?
let subViews = self.scrollView.subviews for subview in subViews{ subview.removeFromSuperview() }