I have an app with huge data pre-stored in the SD Card.
We are supporting all tablets ICS onwards. I am not able to find a way to access the SDCard
If you are trying to get the path to the SD card use this code
String baseDir = Environment.getExternalStorageDirectory().getAbsolutePath();
Then use this to get the path of the specific folder/file
String path = baseDir + "/your folder(s)/" + fileName;