Java Utililty Methods Swing UIManager

List of utility methods to do Swing UIManager

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Description

The list of methods to do Swing UIManager are organized into topic(s).

Method

voidprintDefaults()
Convenience method to print all the UI settings to System.out. 
UIDefaults defaults = UIManager.getDefaults();
Enumeration<Object> keys = defaults.keys();
while (keys.hasMoreElements()) {
    Object key = keys.nextElement();
    System.out.println(key + ": " + defaults.get(key));
voidprintUIDefaults()
print UI Defaults 
UIDefaults uiDefaults = UIManager.getDefaults();
Enumeration<Object> e = uiDefaults.keys();
while (e.hasMoreElements()) {
    Object key = e.nextElement();
    Object val = uiDefaults.get(key);
    System.out.println("[" + key.toString() + "]:[" + (null != val ? val.toString() : "(null)") + "]");
booleansetComponentLF(JComponent comp, String ui)
set Component LF 
LookAndFeel previousLF = UIManager.getLookAndFeel();
try {
    for (UIManager.LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
        if (ui.equals(info.getName())) {
            UIManager.setLookAndFeel(info.getClassName());
            break;
    comp.updateUI();
    UIManager.setLookAndFeel(previousLF);
} catch (Exception e) {
    return false;
return true;
voidsetCrossPlatformProperties()
set Cross Platform Properties 
if (System.getProperty("os.name").startsWith("Mac")) {
    System.setProperty("apple.laf.useScreenMenuBar", "true");
try {
    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
voidsetDefaultSize(int size)
set Default Size 
Set<Object> keySet = UIManager.getLookAndFeelDefaults().keySet();
Object[] keys = keySet.toArray(new Object[keySet.size()]);
for (Object key : keys) {
    if (key != null && key.toString().toLowerCase().contains("font")) {
        System.out.println(key);
        Font font = UIManager.getDefaults().getFont(key);
        if (font != null) {
            font = font.deriveFont((float) size);
...
voidsetEnabled(Component component, boolean enabled, boolean recursively)
set Enabled 
component.setEnabled(enabled);
if (component instanceof JLabel) {
    Color color = enabled ? getLabelForeground() : getLabelDisabledForeground();
    if (color != null) {
        component.setForeground(color);
if (recursively && enabled == component.isEnabled()) {
...
voidsetNative()
Sets the default LAF. 
try {
    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException
        | UnsupportedLookAndFeelException e) {
booleanSetNetBeansCompatibleUIManager()
Set the application look-and-feel to match NetBeans. 
UIManager.LookAndFeelInfo[] info = UIManager.getInstalledLookAndFeels();
int lafno = 3; 
try {
    UIManager.setLookAndFeel(info[lafno].getClassName());
} catch (Exception e) {
    System.err.println("Couldn't load " + info[lafno].getClassName() + " look and feel " + e);
    return false;
return true;
booleansetNimbusLF()
Sets look and feel to Nimbus. 
try {
    for (LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
        if ("Nimbus".equals(laf.getName())) {
            UIManager.setLookAndFeel(laf.getClassName());
            break;
} catch (Exception e) {
...
voidsetSwingProperties(String appName)
set Swing Properties 
UIManager.getDefaults().put("SplitPane.border", BorderFactory.createEmptyBorder());
System.setProperty("com.apple.mrj.application.apple.menu.about.name", appName);
System.setProperty("apple.laf.useScreenMenuBar", "true");