在等待重新加载数据时滚动时，我的表格视图单元格正在重复。重新加载后，重置所有项目并删除所有重复内容。这里有一个显示问题的视频，任何人都知道为什么以及如何修复它？正如你在视频中看到的那样，hdsdjhjdhhsdsjshhsdhsjhdjd在顶部再次重复？ https://www.dropbox.com/s/e0arcajkuuot8xa/Reflector%20Recording.mp4?dl=0
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell:StatusTableCell! = tableView.dequeueReusableCellWithIdentifier("statusCell", forIndexPath: indexPath) as! StatusTableCell
if (cell == nil) {
cell.uploadDate = nil
cell.uploadStatus.text = nil
cell.statusUploader.setTitle("", forState: .Normal)
}
cell.photoImage.hidden = true
self.photoHidden = true
print("\n\n\n\n")
cell.layoutIfNeeded()
cell.likesButton.setImage(UIImage(named: "Likes"), forState: .Normal)
cell.likesButton.setTitle("0", forState: UIControlState.Normal)
print("\n\n\n\n")
//Makes The Cell Of Text View Detect Link
cell.uploadStatus.dataDetectorTypes = .Link
cell.uploadStatus.delegate = self
do {
print(date2)
cell.statusUploader.setTitle("\(user2[indexPath.row])", forState: UIControlState.Normal)
if isLoadingLikes == false {
//Modified Height Based ON Status NOTE: STILL BUGGY
cell.uploadStatus.text = status2[indexPath.row]
cell.uploadStatus.frame.size.height = textViewHeight(cell.uploadStatus)
test = cell.uploadStatus.frame.size.height
self.tableView(tableView, heightForRowAtIndexPath: indexPath)
//Likes Button Data
let uploadLikes = likes2[indexPath.row]
cell.likesButton.tag = indexPath.row
cell.likesButton.setTitle("\(uploadLikes)", forState: UIControlState.Normal)
//Add An Action Connector To Likes Button
cell.likesButton.addTarget(self, action: Selector("likesFunction:"), forControlEvents: .TouchUpInside)
cell.moreButton.addTarget(self, action: Selector("moreFunction:"), forControlEvents: .TouchUpInside)
print(liked2)
if liked2[indexPath.row] == "liked" {
cell.likesButton.setImage(UIImage(named: "Likes2"), forState: .Normal)
}else {
cell.likesButton.setImage(UIImage(named: "Likes"), forState: .Normal)
}
}
print("----------------------------- Row \(indexPath.row)")
print("Checking Date Array\(date2[indexPath.row])")
print("Check NSDATE \(NSDate().timeIntervalSinceDate(date2[indexPath.row]))")
print("Checking TIME FORMATTER \(timeAgoSinceDate(date2[indexPath.row], numericDates: true))")
print("Status = \(status2[indexPath.row])")
cell.uploadDate.text = timeAgoSinceDate(date2[indexPath.row], numericDates: true)
let stringWithNSDataDetector: String = cell.uploadStatus.text
let error: NSError? = nil
let dataDetector: NSDataDetector = try NSDataDetector(types: NSTextCheckingType.Link.rawValue)
//Check if (error) before
var allMatches: [AnyObject] = [AnyObject]()
dataDetector.enumerateMatchesInString(stringWithNSDataDetector, options: NSMatchingOptions.Anchored, range: NSMakeRange(0, stringWithNSDataDetector.characters.count), usingBlock: { (match:NSTextCheckingResult?, flags:NSMatchingFlags, pointer:UnsafeMutablePointer<ObjCBool>) -> Void in
print("Link \(match!.resultType == .Link)")
if match!.resultType == .Link {
allMatches.append(match!.URL!)
self.photoHidden = false
cell.photoImage.hidden = false
print(match!.URL!)
}
})
print("ALL Matches \(allMatches)")
print("Test \(test) -- row : \(indexPath.row)")
print(cell.uploadStatus.frame.size.height)
}
catch {
print("Error Loading Status -- (StatusTableView)")
}
print("----------------------------- End \n")
cell.setNeedsDisplay()
return cell
}
这是另一个
func textViewHeight (textView:UITextView) -> CGFloat{
textView.scrollEnabled = false
let fixedWidth = textView.frame.size.width
textView.sizeThatFits(CGSize(width: fixedWidth, height: CGFloat.max))
let newSize = textView.sizeThatFits(CGSize(width: fixedWidth, height: CGFloat.max))
var newFrame = textView.frame
newFrame.size = CGSize(width: max(newSize.width, fixedWidth), height: newSize.height)
textView.frame = newFrame;
return textView.frame.height
}
internal func textViewHeightForText(text: String?, andWidth width: CGFloat) -> CGFloat {
let calculationView = UITextView()
//IMPORTANT - have to specify the name/size of your font
let attributedText = NSAttributedString(string: (text != nil) ? text! : "", attributes: [NSFontAttributeName : UIFont(name: "Helvetica Neue", size: 16.0)!])
calculationView.attributedText = attributedText
let height = calculationView.sizeThatFits(CGSize(width: width, height: CGFloat.max)).height
return height
}
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
let width = tableView.frame.size.width - 79
if photoHidden == false {
return textViewHeightForText(status2[indexPath.row], andWidth: width) + 260
}else {
return textViewHeightForText(status2[indexPath.row], andWidth: width) + 140
}
}
override func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {
let cell = tableView.dequeueReusableCellWithIdentifier("statusCell", forIndexPath: indexPath) as! StatusTableCell
cell.uploadStatus.text = status2[indexPath.row]
cell.uploadStatus.frame.size.height = textViewHeight(cell.uploadStatus)
test = cell.uploadStatus.frame.size.height
self.tableView(tableView, heightForRowAtIndexPath: indexPath)
//If it is last row of the loaded table views , it will loading it got more than one current object else finish loading
if (indexPath.row == objectCount - 1) && isLoadingMoreCell == false
{
self.isLoadingMoreCell = true
self.tableView.tableFooterView = footerView
footerLoading.center.x = self.footerView.frame.width/2
footerLoading.startAnimating()
loadMoreCell()
}
}