Hallo Forum,
auf der SUche nach einer geeigneten Überschrift habe ich den JXHeader gefunden, leider funktioniert dieser bei mir nicht und ich kann mir nicht erklären warum.
HIer einmal der TextCode:
hier die *jar die ich dem Buildpath hinzugefügt habe:
http://swinglabs.java.sun.com/hudson/job/SwingX%20Continuous%20Build/lastStableBuild/org.swinglabs$swingx-all/
dennoch bekomme ich diesen Fehler:
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.jdesktop.swingx.plaf.LookAndFeelAddons.getUI(LookAndFeelAddons.java:303)
at org.jdesktop.swingx.JXHeader.updateUI(JXHeader.java:181)
at javax.swing.JPanel.<init>(JPanel.java:69)
at javax.swing.JPanel.<init>(JPanel.java:92)
at javax.swing.JPanel.<init>(JPanel.java:100)
at org.jdesktop.swingx.JXPanel.<init>(JXPanel.java:126)
at org.jdesktop.swingx.JXHeader.<init>(JXHeader.java:113)
at header.<init>(header.java:48)
at header$1.run(header.java:24)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
aber warum?
vielen Dank für die Hilfe!!!
auf der SUche nach einer geeigneten Überschrift habe ich den JXHeader gefunden, leider funktioniert dieser bei mir nicht und ich kann mir nicht erklären warum.
HIer einmal der TextCode:
Java:
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import org.jdesktop.swingx.JXHeader;
public class header extends JFrame {
private JPanel contentPane;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
header frame = new header();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public header() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
JPanel panel = new JPanel();
panel.setBorder(new TitledBorder("Titel"));
add(panel);
JXHeader header2 = new JXHeader();
header2.setTitleForeground(Color.BLUE);
header2.setTitle("Programmeinstellungen vornehmen");
header2.setDescription("Nehmen Sie hier Ihre Programmeinstellungen und " +
"Netzwerkoptionen vor.");
//Icon icon = new ImageIcon(getClass().getResource("settings.png"));
//header.setIcon(icon);
//header.setIconPosition(JXHeader.IconPosition.LEFT);
}
}
hier die *jar die ich dem Buildpath hinzugefügt habe:
http://swinglabs.java.sun.com/hudson/job/SwingX%20Continuous%20Build/lastStableBuild/org.swinglabs$swingx-all/
dennoch bekomme ich diesen Fehler:
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.jdesktop.swingx.plaf.LookAndFeelAddons.getUI(LookAndFeelAddons.java:303)
at org.jdesktop.swingx.JXHeader.updateUI(JXHeader.java:181)
at javax.swing.JPanel.<init>(JPanel.java:69)
at javax.swing.JPanel.<init>(JPanel.java:92)
at javax.swing.JPanel.<init>(JPanel.java:100)
at org.jdesktop.swingx.JXPanel.<init>(JXPanel.java:126)
at org.jdesktop.swingx.JXHeader.<init>(JXHeader.java:113)
at header.<init>(header.java:48)
at header$1.run(header.java:24)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
aber warum?
vielen Dank für die Hilfe!!!