New answers tagged hierarchy
One trick (and the one that popular Reddit mobile client Alien Blue uses) is to indent the first few comments, then after indenting as far as is appropriate prefix subsequent item bylines with increasing numbers of dots:
You can use background color to represent going deeper in the hierarchy and avoid using too much indentation. If you do not want to color the entire background of the post, you can do just highlighting the edge with a color. In any case, I would still have the tiniest amount of indenting because it is a much stronger visual cue. You can compensate the ...
Make them Auto-collapse and use good to read/understand titles for each expandable part. http://ui-patterns.com/patterns/AccordionMenu Look at that it is really clear and easy to use on mobile devices. Maybe this is helpfull too: http://www.mobile-patterns.com/lists Hope it helps.
You can use Expand / Collapse on click of their headers. It will eventually help you to use whitespace perfectly and also be interactive for end users. It will look like multi-level accordion ( for example : http://sower.com.au/demo/accordion.html) so that the user won't be loosing the track of what they are reading or commenting on.
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