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I've found a corner case for crashing the Android app that appears on locked questions. I produced this in app v1.0.31, on a HTC One running Android 4.4.2.

A preamble: the usual behaviour

First: visit a locked question, such as this one. Tap a comment and select 'Vote up'. This won't crash your app, but you'll notice that: (a) a loading spinner appears, and then (b) the dialog will close and you'll get an error message telling you that you can't actually vote for that comment.

Now, here's how to crash the app

  1. Visit a locked question
  2. Vote the comment up
  3. When the loading spinner appears, tap anywhere outside the dialog to dismiss it. This could happen if, say, you want to wipe some dust off the screen or you just happen to bump it whilst waiting for the loading to finish.
  4. Wait a second or two - probably for as long as it'd take for that error message to appear - and the app will suddenly crash.
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closed as off-topic by Ward, doppelgreener, PythonMaster, Werner, ɥʇǝS Mar 18 at 17:38

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "The problem described here can no longer be reproduced. Changes to the system or to the circumstances affecting the asker have rendered it obsolete. If you encounter a similar problem, please post a new question." – Ward, doppelgreener, PythonMaster, Werner, ɥʇǝS
If this question can be reworded to fit the rules in the help center, please edit the question.

I was able to reproduce this. But it took 20ish seconds to crash. Long enough for me to start writing a comment saying I wasn't able to reproduce it. – Steven V Apr 29 '14 at 1:17
Does it take about as long to crash each time as it does for the "you can't flag this" message to appear? – doppelgreener Apr 29 '14 at 1:52
Just tried it again. The message shows up nearly immediately, but still 20ish second delay before it crashed. But I'd say that's a minor detail in the grand scheme of things. Kasra has been awesome hunting bugs down. – Steven V Apr 29 '14 at 1:56
Interesting! It only takes a couple of seconds for either for me. I agree on all counts though. :) – doppelgreener Apr 29 '14 at 2:16
I flagged this as "not reproducible" since on v1.0.83, voting up a comment doesn't show a loading spinner, and thus the app cannot be crashed by this. – Portal Mar 18 at 1:48