Hi I am new to Android and I want to know that how can we get the path of the installed application in android, So that we can open the file in our application by using that installed application.

for example:
I want to open the pdf file or doc file in my application but i require the path of that application which can open this file...

Please Help me 
Thanks in advance...


Question: Reftex \cite command binding
Answer: I'm moving my comment here as it gives me more space:

But then again, there are quite a lot of Emacs + reftex users reading this site as well. C-c [, runs reftex-citation, you you could just define your own short cut. Here is what I would do

; unset C-z, to be used to make my own C-z prefix
(global-unset-key [(control z)])
(global-set-key [(control z) (c)] 'reftex-citation)


(untested)

The above is how I normally add my own short cuts. By using C-z as a prefix, I'm usually not messing with some existing ones.