Swing and threads: invoke later

  

import java.awt.FlowLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

public class InvokeLaterDemo extends Object {
  private static void print(String msg) {
    String name = Thread.currentThread().getName();
    System.out.println(name + ": " + msg);
  }

  public static void main(String[] args) {
    final JLabel label = new JLabel("--------");

    JPanel panel = new JPanel(new FlowLayout());
    panel.add(label);

    JFrame f = new JFrame();
    f.setContentPane(panel);
    f.setSize(300, 100);
    f.setVisible(true);

    try {
      print("sleeping for 3 seconds");
      Thread.sleep(3000);
    } catch (InterruptedException ix) {
      print("interrupted while sleeping");
    }

    print("creating code block for event thread");
    Runnable setTextRun = new Runnable() {
      public void run() {
        try {
          Thread.sleep(500);
          print("about to do setText()");
          label.setText("New text!");
        } catch (Exception x) {
          x.printStackTrace();
        }
      }
    };

    print("call invokeLater()");
    SwingUtilities.invokeLater(setTextRun);
    print("return from invokeLater()");
  }
}

Related examples in the same category

1.	Is Event Dispatcher Thread
2.	GUI clock
3.	Race Conditions using Swing Components
4.	Eliminating race Conditions using Swing Components
5.	Using the Runnable interface
6.	Write your Beans this way so they can run in a multithreaded environment
7.	User interface responsiveness
8.	InvokeExample: Swing and thread
9.	Counter: Swing and thread
10.	Thread accuracy: Swing and threads
11.	Swing and thread: invoke and wait
12.	Swing and threads: slide
13.	Swing and threads: scroll text
14.	Animation: Swing and thread
15.	Swing and Thread for length operation
16.	Swing and Thread: cancel a lengthy operation
17.	Swing and Thread: repaint
18.	Thread and Swing 1
19.	Thread and Swing 2
20.	Thread and Swing 3
21.	Swing Type Tester 10
22.	Swing and Threading
23.	SwingUtilities.invokeLater and swing thread
24.	An abstract class to perform lengthy GUI-interacting tasks in a dedicated thread.
25.	This program demonstrates that a thread that runs in parallel with the event dispatch thread can cause errors in Swing components

Swing and threads: invoke later : Swing Thread « Threads « Java

Related examples in the same category