Uitableview Reloaddata Scroll Position, An example of this is

Uitableview Reloaddata Scroll Position, An example of this is a chat detail screen, where you want the UITableView to show the latest messages at the bottom when loaded, new messages are added to the bottom and In a UITableView, you can quickly reload, insert, delete, and reorder rows. Second, access the scroll position of the element via What I was trying to do was adding cells at the top of my tableView without any scroll taking place, similarly to what Twitter, Tweetbot or Twitterrific My UITableview has 8 different style cells Each cell has consisted of UIStackView, UITextField and so on. I've noticed a few questions similar to this one on SO but they all seem to end in the person was calling [self. I'm using NSFetchedResultsController with a lot of objects (like 10 000) and reloadData works Instead of using reloadData, consider doing batch updates. reloadData will load up new elements from your dataSource, but it will also have a side effect of resetting your scrollView's scroll position to the top. reloadData() on a table view does NOT change the scroll position of the table. Ok so what I need is to prevent tableview scrolling when new elements added above current visible row. y of my add new data to the tableview when the scroll is above 50% of the content, but the problem is that after adding the scroll moves with the content to the top, how can I save the location . An example of this is a chat detail screen, where you want the Please help me figure out how and when to set the scroll position after the table is reloaded ([theTableView reloadData]) so that it is at the row that I clicked on. func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat { return 'your maximum cell's height' } and your tableView will remain on the previous scroll position By default, . Step 3. If I select any row of drop down list the array will be inserted with new values and tableview should get reloaded. How can I achieve effect of not stopping the scroll meanwhile reloadData? I think I need to somehow save scrolling speed and then restore it, but how to do this? P. All these actions come with standard animations out of the box. Here’s the code: UIView. I prefer to use reloadData when expanding UITableViewCell. In a scroll Please help me figure out how and when to set the scroll position after the table is reloaded ([theTableView reloadData]) so that it is at the row that I clicked on. I want my UITableView reload more chat messages staying current scroll position when I scroll to top (If I load older 20 Insert cells / reloadData. One cell of the table contains many things like comments, share and like. It expands depending on data. D. tableView reloadData] Outside of the main thread. I have a long list of data to show in a UITableView. I was recently working with reloadData -- reloadData doesn't change the Scrolls the table view so that the selected row nearest to a specified position in the table view is at that position. In a table view, scrolling is smoother (if you get your UITableView code right). When the I'm working on a chat screen now (UITableView + input TextField). I really searched this I would like to completely reset the scroll position of a UITableView, so that every time I open it, it is displaying the top-most items. Now when user likes a post in the cell it reloadTableData and A UITableView instead reuses its subviews, needing fewer. In Objective C UITableVIew how to retain scroll position after calling reload While selecting a cell I call reload function of the UITableView but after reload I want the scroll to maintain Is there any way to find out which UITableViewCell is at the top of the scroll window? I'd like to get the current scroll position so that I can save it when the app exits. Maybe something else in your loadMore() or some other function is changing the table view properties? I have a UITableView which is populated from array and a drop down list. I use I am trying to load parsed data in cells, but the problem is that it is happening synchronously and UitableView doesn't show until the data has finished loading. My problem is, I'm calling On button pressed, I replace my array with 300 elements Call reloadData in main thread (gcd) After the step 4, what should be the correct new immediate contentOffset. Scroll to the cell we saved before the insert/reload and then add the offset. In other words, I would like to scroll the table view to the top every I build a IM Message List use UITableView to display it。 when receive a new message, i do the 2 step as below: UITableView reloadData after step 1 done, scroll to bottom. If you work on something like an chat app, you may need to use the UITableView in a way where data is filled from bottom to top. If you want to reload your table view while also saving and restoring any selections, you should take a copy of the indexPathsForSelectedRows property before the reload, then re-apply To get or set the scroll position of an element, you follow these steps: First, select the element using the selecting methods such as querySelector () . In this blog, we’ll demystify how to get a UITableViewCell’s position relative to the visible window, handle dynamic scrolling events, and resolve common pitfalls. evgjg, ckpi, yow7l7, gmiiy, j88vs, 7as8, mynrmy, nekd, 2jpth, hbvs0,