ios - Autolayout: Incorrect Width when using ScrollView -


i´m using autolayout , followed instruction guide:

http://www.g8production.com/post/57513133020/auto-layout-with-uiscrollview-how-to-use

i build view xib file , interface builder. tree:

-uiview

--uiscrollview

---uiview (contentview)

----subviews

the problem when put one! subview (an uiimageview) inside contentview , set left,top , right constraint subview, warning says: autolayout expected width of 1000!! have no idea why gets broken. views have width of 320px couldn´t problem. here screenshots may help:

enter image description here

enter image description here

the uiimageview.image.size.width 1000 in case. it's following it's own intrinsic content size , expanding respect own intrinsic content size. can follow 1 of method solve this:

method 1:- add width constraint of contentview, uiimageview adopt width of contentview.

method 2:- add width constraint of uiimageview, contentview adopt width of uiimageview.

method 3:- add equal width constraint on contentview , uiscrollview. contentview adopt scrollview width, , uiimageview adopt contentview width.

you can more details here contents intrinsic content size: http://www.raywenderlich.com/20881/beginning-auto-layout-part-1-of-2


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