Old bug return in version 2.1.6

What steps will reproduce the problem?
Taking picture from screen for opened document in EBookDroid

What is the expected output?
Taking picture WITHOUT freezing of EBookDroid

What do you see instead?
After taking screen shot & saving it, side menu (both left & right) freezed & 
not responed. Also when I try to click on "back (<----)" icon of system menu, 
it does not responed!

What version of the product are you using?
2.1.6

On what operating system?
ICS 4.0.4

What device are you using?
Samsung galaxy 7.7 3G version

Please provide any additional information below.
This was old bug I noteced in versions before 2.1.5 In version 2.1.5 it 
disappear completely. Yeasterday whan I take many screen shots that I post here 
in issue about duplication of annotation I never suffer from this crush.

Original issue reported on code.google.com by dr.y.j.k...@gmail.com on 28 Feb 2014 at 8:46

Behzad9 / ebookdroid

Old bug return in version 2.1.6 #730