I have some problems getting heights of my cells because I have dynamic height images inside them and while using some async methods (AFNetworking) it still looks bad when cells dynamically change because UITableView offset is constantly changing.
While looking in facebook, 9gag or some other apps I saw that they have set their post (cell) height before image is loaded (so with some placeholder) but that height perfectly fits image that comes in so I was wondering hows that possible (since if theres no image you cant tell its height yet).
Would it be a good approach to determine image height on server and send that to iOS app along with imageURL, title and other stuff I have in cell and then determine cell height based on that?
Or any other ideas?
Thanks.
The image they are loading probably comes from an rss or html feed where they list the width and height of the image in the html.
http://www.w3schools.com/tags/att_img_width.asp
If you can parse something like this or have your server return the height and width from a database table then you should be able to generate a placeholder image.