Example usage for javax.swing JOptionPane showMessageDialog

Introduction

In this page you can find the example usage for javax.swing JOptionPane showMessageDialog.

Prototype

public static void showMessageDialog(Component parentComponent, Object message) throws HeadlessException

Source Link

Document

Brings up an information-message dialog titled "Message".

Usage

From source file:Main.java

public static void main(String[] args) {
    JPanel ui = new JPanel(new BorderLayout(20, 20));

    ui.setBorder(new LineBorder(Color.RED, 1));

    JTextField fileName = new JTextField();
    ui.add(fileName, BorderLayout.NORTH);

    JPanel buttonPanel = new JPanel(new GridLayout(1, 0, 10, 30));
    ui.add(buttonPanel, BorderLayout.CENTER);

    JButton creater = new JButton("Create File");
    buttonPanel.add(creater);//w  ww  . j  a  va2  s.com
    JButton deleter = new JButton("Delete File");
    buttonPanel.add(deleter);

    JOptionPane.showMessageDialog(null, ui);

}

From source file:Main.java

public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            final Date date = new Date();
            final JLabel timeLabel = new JLabel(date.toString());
            Timer timer = new Timer(1000, new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    date.setTime(System.currentTimeMillis());
                    timeLabel.setText(date.toString());
                }/* www.j a v  a  2  s.  c  o m*/
            });
            timer.start();
            JOptionPane.showMessageDialog(null, timeLabel);
        }
    });
}

From source file:Main.java

public static void main(String[] args) {
    String[] items = { "item1", "item2", "item1" };
    JList<String> list = new JList<>(items);
    JTextField output = new JTextField(15);
    JPanel gui = new JPanel();
    gui.add(list);//  w ww  .j  av a 2 s .  c o  m
    gui.add(output);
    list.addListSelectionListener(new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent lse) {
            int index = list.getSelectedIndex();
            String outputText = "Index: " + index + "  Value: " + items[index];
            output.setText(outputText);
        }
    });
    JOptionPane.showMessageDialog(null, gui);
}

From source file:Main.java

public static void main(String[] args) {
    String s = "The quick brown fox jumps over the lazy dog!";
    BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    FontMetrics fm = g.getFontMetrics();
    Rectangle2D b = fm.getStringBounds(s, g);
    System.out.println(b);//from   ww  w .j ava 2s. c o  m
    bi = new BufferedImage((int) b.getWidth(), (int) (b.getHeight() + fm.getDescent()),
            BufferedImage.TYPE_INT_RGB);
    g = bi.getGraphics();
    g.drawString(s, 0, (int) b.getHeight());

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));

    // Technique 3 - JLabel
    JLabel l = new JLabel(s);
    l.setSize(l.getPreferredSize());
    bi = new BufferedImage(l.getWidth(), l.getHeight(), BufferedImage.TYPE_INT_RGB);
    g = bi.getGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, 400, 100);
    l.paint(g);

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));
}

From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout(5, 5));

    int sz = 4;// w ww .  j a v a  2  s  .  c  o  m
    Container content = new JPanel(new GridLayout(sz, 0, 2, 2));
    for (int f = 0; f < sz * sz; f++) {
        content.add(new JButton());
    }
    gui.add(content, BorderLayout.CENTER);

    Container info = new JPanel(new FlowLayout(FlowLayout.CENTER, 50, 5));
    info.add(new JLabel("Flow"));
    info.add(new JLabel("Layout"));
    gui.add(info, BorderLayout.PAGE_START);

    gui.add(new JLabel("Label"), BorderLayout.LINE_END);

    JOptionPane.showMessageDialog(null, gui);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setSize(800, 600);//  w w  w  . j  a  va  2 s  .c om
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    GraphicsDevice device = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
    device.setFullScreenWindow(frame);
    device.setDisplayMode(new DisplayMode(800, 600, 32, 60));
    frame.setVisible(true);

    JButton btn = new JButton();
    btn.setText("Button");
    JPanel panel = new JPanel();

    panel.add(btn);
    frame.add(panel);

    btn.addActionListener(e -> {
        JOptionPane.showMessageDialog(frame.getContentPane(), "JOptionPane");
    });
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Robot robot = new Robot();
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
    BufferedImage image = robot.createScreenCapture(new Rectangle(d));
    BufferedImage sub = image.getSubimage(0, 0, 400, 400);
    File f = new File("SubImage.png");
    ImageIO.write(sub, "png", f);
    final ImageIcon im = new ImageIcon(f.toURI().toURL());

    Runnable r = new Runnable() {

        @Override/*www .j  av a2s  . c o m*/
        public void run() {
            JOptionPane.showMessageDialog(null, new JLabel(im));
        }
    };
    SwingUtilities.invokeLater(r);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    GradientLabel label = new GradientLabel("java2s.com");

    JOptionPane.showMessageDialog(null, label);

}

From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new GridLayout(0, 1, 5, 5));

    String[] speciesName = { "1", "2", "3" };
    String[][] breedName = { { "A", "P", "A" }, { "B", "P", "S" }, { "DDo", "A", "P" } };
    JComboBox<String> petSpecies = new JComboBox<>(speciesName);
    JComboBox<String> petBreed = new JComboBox<>();
    petSpecies.addItemListener(e -> {
        int ii = petSpecies.getSelectedIndex();
        ComboBoxModel cbm = new DefaultComboBoxModel(breedName[ii]);
        petBreed.setModel(cbm);/*from  w ww  . j  a v a 2  s.c  o m*/
        petBreed.requestFocusInWindow();
    });
    gui.add(petSpecies);
    gui.add(petBreed);

    JOptionPane.showMessageDialog(null, gui);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();

    JTextArea textArea = new JTextArea();
    f.add(new JScrollPane(textArea), BorderLayout.CENTER);

    Timer timer = new Timer(1000, new ActionListener() {
        @Override/*  w ww.  j a  v  a  2  s  .  co  m*/
        public void actionPerformed(ActionEvent e) {
            textArea.append("bla");
        }
    });
    timer.setRepeats(true);
    timer.start();
    JButton button = new JButton("Click me");
    button.addActionListener(e -> {
        System.out.println("Before option pane");
        JOptionPane.showMessageDialog(f, "A message dialog");
        System.out.println("After option pane");
    });
    f.add(button, BorderLayout.SOUTH);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    f.setVisible(true);
}