title: ios : Changes in info.plist for opening file types like doc and pdf
body: <p>I am a newbie to ios,there is a requirement in my app to support showing and opening up of file types like doc,pdf when requested in other app like dropbox. I read Apple's documentation and it says adding a row "Document types" in info.plist. But i am not sure what values i have  to put in there if its for doc ,pdf.</p>
  
  <p>I am not sure either if this is the right the approach i have to follow .</p>