Set Scroll View Content Size Dynamically

Set Scroll View Content Size Dynamically

-(void)setContentSizeForScrollView{

    NSArray* scrollViewSubViews = [self.rootScrollView subviews];
    CGFloat scrollViewHeight = 0;
    
    for (UIView* views in scrollViewSubViews) {
        scrollViewHeight += views.frame.size.height;
    }
    [self.rootScrollView setContentSize:CGSizeMake(self.view.frame.size.width, scrollViewHeight)];
}

-(void)setScrollViewContentSize{
	CGRect contentRect = CGRectZero;

	for (UIView *view in self.scrollView.subviews) {
	    contentRect = CGRectUnion(contentRect, view.frame);
	}
	self.scrollView.contentSize = contentRect.size;
}

func setScrollViewContentSize() {
	var contentRect = CGRect.zero
	self.scrollView.subviews.forEach { (view) in
		contentRect = contentRect.union(view.frame)
	}
	self.scrollView.contentSize = contentRect.size
}

var contentRect = CGRect.zero
        
for view in mainScrollView.subviews {
	contentRect = contentRect.union(view.frame)
}
scrollView.contentSize = contentRect.size