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copied!<p>Seems that you are missing some basic stuff about UIScrollView in autolayout environment. Read carefully <a href="http://developer.apple.com/library/ios/#releasenotes/General/RN-iOSSDK-6_0/index.html" rel="noreferrer">ios 6.0 release notes</a> </p> <p>Your code should look like:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; CGRect selfBounds = self.view.bounds; CGFloat width = CGRectGetWidth(self.view.bounds); CGFloat height = CGRectGetHeight(self.view.bounds); [_scrollview setPagingEnabled:YES]; UIView* view1 = [[UIView alloc] initWithFrame:selfBounds]; [view1 setTranslatesAutoresizingMaskIntoConstraints:NO]; [view1 setBackgroundColor:[UIColor redColor]]; [_scrollview addSubview:view1]; UIView* view2 = [[UIView alloc]initWithFrame:CGRectOffset(selfBounds, width, 0)]; [view2 setTranslatesAutoresizingMaskIntoConstraints:NO]; view2.backgroundColor = [UIColor greenColor]; [_scrollview addSubview:view2]; [_scrollview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|[view1(width)][view2(width)]|" options:0 metrics:@{@"width":@(width)} views:NSDictionaryOfVariableBindings(view1,view2)]]; [_scrollview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[view1(height)]|" options:0 metrics:@{@"height":@(height)} views:NSDictionaryOfVariableBindings(view1)]]; [_scrollview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[view2(height)]|" options:0 metrics:@{@"height":@(height)} views:NSDictionaryOfVariableBindings(view2)]]; } </code></pre>

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