LTScrollView.m set contentSize that fit the contents of UIScrollView

gistfile1.m

#import "LTScrollView.h"

@implementation LTScrollView

- (void)layoutSubviews
{
    CGFloat perfectContentWidth = 0.0f;
    CGFloat perfectContentHeight = 0.0f;

    BOOL isHorizontalScrollIndicatorVisible = self.showsHorizontalScrollIndicator;
    BOOL isVerticalScrollIndicatorVisible = self.showsVerticalScrollIndicator;

    self.showsHorizontalScrollIndicator = self.showsVerticalScrollIndicator = NO;

    for (UIView *view in self.subviews) {
        if (!view.hidden) {
            CGFloat x = view.frame.origin.x;
            CGFloat y = view.frame.origin.y;
            CGFloat w = view.frame.size.width;
            CGFloat h = view.frame.size.height;
            if (x + w > perfectContentWidth) {
                perfectContentWidth = x + w;
            }
            if (y + h > perfectContentHeight) {
                perfectContentHeight = y + h;
            }
        }
    }

    self.showsHorizontalScrollIndicator = isHorizontalScrollIndicatorVisible;
    self.showsVerticalScrollIndicator = isVerticalScrollIndicatorVisible;
    
    [self setContentSize:CGSizeMake(perfectContentWidth, perfectContentHeight)];
}

@end