Reusing cells in UITableView

Question

I have my custom cell \'NewsCell\'. It contains my custom view \'ImageMosaicView\' (that is just subclass of UIView). I use it to show photos like in post in Facebook. I just pa

Answer 1

The right way to do this is to configure the prepareForReuse() method inside the NewsCell class.

override func prepareForReuse() {
    super.prepareForReuse()

    imageView.image = //Default image
    //Whatever other things you need cleared.
}

This method is called whenever a tableView dequeues a cell. So any cached data should be cleared here or it will persist in the dequeued cell unless you manually change it before returning it in the cellForRowAt method.