How can i change the page on clicking the dots of UIPageControl

Question

Here I have a pagecontrol which works good but on clicking on dot it doesn\'t change the page so please help in the function of changepage:

- (void)viewDidLo         


        

Answer 1

This is very useful for pagecontrol dots click action change page index for swift 3 and swift 4 .

@IBAction func pageControlSelectionAction(_ sender: UIPageControl) {
    let page: Int? = sender.currentPage
    var frame: CGRect = self.yourcollectionview.frame
    frame.origin.x = frame.size.width * CGFloat(page ?? 0)
    frame.origin.y = 0
    self.yourcollectionview.scrollRectToVisible(frame, animated: true)
}