Can I change my ICS phone camera trigger? I am using Sony Xperia LT18I. It's ICS 4.0.4 and I was wondering about changing the trigger of my phone's camera with the headset key press. If I connect my headset it should find and change it's default option and should take a photo when I press the key of my headset. Can anyone help on this?
You could probably give Camera Touch-Free a try.


  
  Solution for touch phones that did not have hardware camera button such as Samsung GALAXY S II.  
  Making shots on touch phone without touches.  
  Just use hardware buttons "Volume Up" or headset.  
  Use "Volume Down" hardware button for exit from application.
  


Others worth trying:


Sensor Camera Pro: 


  (New) Use the headset's previous and forward media button as focus and shutter release.
  
  You could also search Google Play for: camera headset