How to use

setBackground

method

in

javax.swing.JPasswordField

 /**
  * Handles the UI feedback for an incorrect credentials
  */
 public void incorrectPassword() {

  Preconditions.checkState(SwingUtilities.isEventDispatchThread(), "Must execute on EDT.");

  password.setBackground(Themes.currentTheme.invalidDataEntryBackground());

 }
}

private void addLabelArea() {
  labelPanel.setLayout(new GridLayout(3, 1));
  Border labelsPadding = BorderFactory.createEmptyBorder(0, 0, 15, 0);
  labelPanel.setBorder(labelsPadding);
  deviceLabel = new JLabel(AgentConstants.APP_PUBLIC_NAME.toUpperCase());
  Icon icon = new ImageIcon(TrayProcess.createImage(AgentConstants.ICON24_PATH, AgentConstants.ICON_DESCRIPTION));
  deviceLabel.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
  deviceLabel.setIcon(icon);
  deviceLabel.setIconTextGap(10);
  deviceLabel.setFont(new Font(null, Font.BOLD, 15));
  passcodeLabel = new JLabel(LocalizedLogger.getLocalizedMessage("DIALOG_ENTER_PIN"));
  passcodeField = new JPasswordField(3);
  passcodeField.setEditable(false);
  passcodeField.setBackground(Color.white);
  labelPanel.add(deviceLabel, BorderLayout.NORTH);
  labelPanel.add(passcodeLabel, BorderLayout.CENTER);
  labelPanel.add(passcodeField, BorderLayout.SOUTH);
}

private void addInputArea() {
  labelPanel.setLayout(new GridLayout(3, 1));
  Border labelsPadding = BorderFactory.createEmptyBorder(0, 0, 15, 0);
  labelPanel.setBorder(labelsPadding);
  deviceLabel = new JLabel(AgentConstants.APP_PUBLIC_NAME.toUpperCase());
  Icon icon = new ImageIcon(TrayProcess.createImage(AgentConstants.ICON24_PATH, AgentConstants.ICON_DESCRIPTION));
  deviceLabel.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
  deviceLabel.setIcon(icon);
  deviceLabel.setIconTextGap(10);
  deviceLabel.setFont(new Font(null, Font.BOLD, 15));
  passcodeLabel = new JLabel(LocalizedLogger.getLocalizedMessage("DIALOG_ENTER_PASSPHRASE"));
  passcodeField = new JPasswordField();
  passcodeField.requestFocusInWindow();
  passcodeField.setBackground(Color.white);
  labelPanel.add(deviceLabel, BorderLayout.NORTH);
  labelPanel.add(passcodeLabel, BorderLayout.CENTER);
  labelPanel.add(passcodeField, BorderLayout.SOUTH);
}

/**
 * Trigger any UI updates
 */
private void updateModel() {
 // Reset the credentials background
 password.setBackground(Themes.currentTheme.dataEntryBackground());
 getModel().get().setPassword(password.getPassword());
}

private void setProxyChainPromptEnabled(boolean isEnabled) {
  txtProxyChainPassword.setEnabled(!isEnabled);
  chkShowPassword.setEnabled(!isEnabled);
  
  Color color = Color.WHITE;
  if (isEnabled) {
    txtProxyChainPassword.setText("");
    color = panelProxyChain.getBackground();
  }
  txtProxyChainPassword.setBackground(color);
  
}
 

 private JPasswordField password;
  private String typedPassword;
  private final String defaultPassword = "yourDesiredPassword";

  public void createPasswordField(){

  password = new JPasswordField(30);
  password.setBounds(280, 240, 90, 20);
  password.setEchoChar('*');
  password.setBackground(Color.white);
  password.addActionListener(new ActionListener() {

    @Override
    public void actionPerformed(ActionEvent e) {

      password = (JPasswordField) e.getSource();
      char [] tempPass = password.getPassword();
      typedPassword = new String(tempPass);

      if (!typedPassword.equals(defaultPassword)){

        JOptionPane.showMessageDialog(null,
      "Your password is not correct",
      "Stack Over Flow example",
      JOptionPane.ERROR_MESSAGE);
      }
    }
  });
}

private void setWidgetActivation() {
 passwordField.setEnabled(requirePasswordCheckBox.isSelected());
 final Color backGround = passwordField.isEnabled() ? portField.getBackground() : getBackground();
 passwordField.setBackground(backGround);
}

@Override
public void installUI (JComponent c) {
  super.installUI (c);
  JPasswordField passwordField = (JPasswordField) c;
  passwordField.setOpaque (false);
  passwordField.setBorder (BorderFactory.createEmptyBorder (5, 2, 10, 0));
  passwordField.setBackground (MaterialColors.LIGHT_BLUE_400);
  this.focusedBackground = passwordField.getBackground ();
  this.unfocusedBackground = MaterialColors.GRAY_200;
  this.focusedSelectionBackground = MaterialColors.bleach (focusedBackground, 0.3f);
  this.unfocusedSelectionBackground = unfocusedBackground;
}

private void setProxyChainAuthEnabled(boolean isEnabled) {
  txtProxyChainRealm.setEnabled(isEnabled);
  txtProxyChainUserName.setEnabled(isEnabled);
  txtProxyChainPassword.setEnabled(isEnabled);
  // ZAP: Added prompt option
  chkProxyChainPrompt.setEnabled(isEnabled);
  chkShowPassword.setEnabled(isEnabled);
  
  if (chkProxyChainPrompt.isSelected()) {
    setProxyChainPromptEnabled(true);
  }
  Color color = Color.WHITE;
  if (!isEnabled) {
    // ZAP: Added prompt option
    color = panelProxyChain.getBackground();
  }
  txtProxyChainRealm.setBackground(color);
  txtProxyChainUserName.setBackground(color);
  txtProxyChainPassword.setBackground(color);
  
}
 

@Override
public void paintSafely (Graphics g) {
  JPasswordField c = (JPasswordField) getComponent ();
  g = MaterialDrawingUtils.getAliasedGraphics (g);
  if (getComponent ().hasFocus ()) {
    c.setBackground (focusedBackground);
    c.setSelectionColor (focusedSelectionBackground);
  }
  else {
    c.setBackground (unfocusedBackground);
    c.setSelectionColor (unfocusedSelectionBackground);
  }
  int x = getComponent ().getInsets ().left;
  int y = getComponent ().getInsets ().top;
  int w = getComponent ().getWidth () - getComponent ().getInsets ().left - getComponent ().getInsets ().right;
  g.setColor (c.getBackground ());
  g.fillRect (x, c.getHeight () - y, w, 2);
  super.paintSafely (g);
}

passwordField.setBackground(Themes.currentTheme.dataEntryBackground());