I am totally aware that you cannot push the same UIViewController
from a UINavigationController
. However my implementation demands so. I have to swipe gestures. On swiping right to left, I have to reload the content of view (which is a UIScrollView
) along with animation. And vice versa on left to right swipe.
I have tried with following but it does not give the expected animation:
func leftSwipe()
{
self.scroll_course_detail.frame = CGRect(x: 2*self.scroll_course_detail!.frame.size.width, y: self.scroll_course_detail.frame.origin.y, width: self.scroll_course_detail.frame.size.width, height: self.scroll_course_detail.frame.size.height)
UIView.animate(withDuration: 0.25, animations: {() -> Void in
self.scroll_course_detail.frame = CGRect(x: 0, y: self.scroll_course_detail.frame.origin.y, width: self.scroll_course_detail.frame.size.width, height: self.scroll_course_detail.frame.size.height)
})
}
func rightSwipe()
{
self.scroll_course_detail.frame = CGRect(x: -self.scroll_course_detail!.frame.size.width, y: self.scroll_course_detail.frame.origin.y, width: self.scroll_course_detail.frame.size.width, height: self.scroll_course_detail.frame.size.height)
UIView.animate(withDuration: 0.25, animations: {() -> Void in
self.scroll_course_detail.frame = CGRect(x: 0, y: self.scroll_course_detail.frame.origin.y, width: self.scroll_course_detail.frame.size.width, height: self.scroll_course_detail.frame.size.height)
})
}
Before animation block, I am changing the frame of UIScrollView
which makes the background clear for the animation duration. I was thinking that UIScrollView
content is overriden along with animation
So what should be the best approach for reloading content along with animation on swipe ?