cursorToCSV

	private int cursorToCSV(Cursor cursor, String file)
	{
		// TODO Auto-generated method stub
	    StringBuffer out = new StringBuffer();
	    int count=0;

	    // loop thru all the records
	    while (cursor.moveToNext())
	    {
	      // loop thru all the columns
	      for (int i = 0; i < cursor.getColumnCount(); i++)
	      {
	        String column = cursor.getString(i);
	        if (i != 0)
	          out.append(",");
	        out.append(column); // adds a column
	      }
	      out.append("\n");
	      count++;
	    }

//	     save to a file
	    try
	    {
	      FileOutputStream outStream = context.openFileOutput(file, Context.MODE_PRIVATE);
	      outStream.write(out.toString().getBytes());
	      outStream.close();
	      Log.d("Backup", out.toString());
	    } catch (IOException e)
	    {
	      Log.d("Backup", "Error writing CSV to file: "+file); e.printStackTrace();
	    }
	    return count;
	}