TSD
The Swift Den•2y ago
Shri

help in animating table view once

Hey guys I am trying a fade animation on table view, the table view rows are supposed to render one after the other while fading in 
 func animate(_ cell: UITableViewCell, _ index: Int) {
    cell.alpha = 0
    animator = UIViewPropertyAnimator(duration: 0.3 * Double(index), curve: .easeIn) {
        cell.alpha = 1
    }
    animator?.startAnimation(afterDelay: 1.5)
 }
    
 func stopAnimation() {
    animator?.stopAnimation(true)
 }


func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
    animate(cell, indexPath.item)
}
 func animate(_ cell: UITableViewCell, _ index: Int) {
    cell.alpha = 0
    animator = UIViewPropertyAnimator(duration: 0.3 * Double(index), curve: .easeIn) {
        cell.alpha = 1
    }
    animator?.startAnimation(afterDelay: 1.5)
 }
    
 func stopAnimation() {
    animator?.stopAnimation(true)
 }


func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
    animate(cell, indexPath.item)
}
I am using the code above, the current problem is every time I scroll table the cells start animating PS: I have tried using a boolean variable in in viewDidLoad and passing it to check whether the animation should stop but, yet it doesn' t work
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