private void getColumns(File[] folderList) {

		try {
			addHeaders();
		} catch (WriteException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}

		for (File valuesVersion : folderList) {
			System.out.println("Parsing xml from " + valuesVersion.getName()
					+ "\n");
			if (valuesVersion.isDirectory()) {

				File stringsDotXml = new File(valuesVersion, "strings.xml");
				Document document = Utils.getXmlFromFile(stringsDotXml);
				NodeList nodes = document.getElementsByTagName("string");

				for (int i = 0; i < nodes.getLength(); i++) {
					Node item = nodes.item(i);
					String key = "" + item.getAttributes().getNamedItem("name");
					// System.out.println(key);
					// addCell(excellSheet, 0, i + 1, key);
					addColumn(key);

				}
				System.out.println(keysList.size());
				// excellFile.write();

			}
		}

	}