Reusable cell old image showing

Question

I am facing a problem when scrolling from top to bottom of my tableview. The reusable cell shows old image until new image download is completed.

It sh

Answer 1

Since it is a reusable cell, it indeed "reuses" the cell with the old image. Then you need to update it every time the cell is shown in cellForRowAtIndexPath:

 func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        cell.image=placeholder_image
        //then download image
}