Po modyfikacji kodu błąd nie wyskakuje, ale za to pojawia się inny java.lang.NullPointerException Dołączam kod: public void onClick(View vv) {
new Thread(new Runnable(){
@Override
public void run() {
try {
TextView kod_waluty[];
TextView kurs_sredni[];
try {
URL url = new URL("http://www.nbp.pl/kursy/xml/LastA.xml");
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(new InputSource(url.openStream()));
doc.getDocumentElement().normalize();
NodeList nodeList = doc.getElementsByTagName("pozycja");
kod_waluty = new TextView[nodeList.getLength()];
kurs_sredni = new TextView[nodeList.getLength()];
for (int i = 0; i < nodeList.getLength(); i++) {
Node node = nodeList.item(i);
Element kodElmnt = (Element) node;
NodeList kodList = kodElmnt.getElementsByTagName("kod_waluty");
Element kodElement = (Element) kodList.item(0);
kodList = kodElement.getChildNodes();
kod_waluty[i].setText(((Node) kodList.item(0)).getNodeValue());
Element kursElmnt = (Element) node;
NodeList kursList = kursElmnt.getElementsByTagName("kurs_sredni");
Element kursElement = (Element) kursList.item(0);
kodList = kursElement.getChildNodes();
kurs_sredni[i].setText(((Node) kursList.item(0)).getNodeValue());
}
} catch (Exception e) {
onClick.setText("Blad: " + e);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}).start();
}