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Tip of the Day
Language: Java
Expertise: Intermediate
Jul 12, 2005

WEBINAR:

On-Demand

Building the Right Environment to Support AI, Machine Learning and Deep Learning


Use the Robot Class for Automatic Keyboard and Mouse Control

This code uses the Robot class to give you automatic keyboard and mouse control.

import java.awt.*;
import java.awt.event.*;
import java.io.IOException;
import javax.swing.*;

public class RobotDemo extends JFrame implements ActionListener
{
	//Store Keystrokes in an array
                   static int keyInput[] = {KeyEvent.VK_R,KeyEvent.VK_O,
                      KeyEvent.VK_B,KeyEvent.VK_O,KeyEvent.VK_T};

	static JTextArea ta = new JTextArea();
	
	static JButton bold = new JButton("Bold");

	public RobotDemo()
	{
		getContentPane().add(ta,BorderLayout.CENTER);
		 
		JPanel p = new JPanel();
		bold.addActionListener(this);
		p.add(bold);
		getContentPane().add(p,BorderLayout.SOUTH);
	}

	public static void main(String[] args) throws AWTException, IOException
	{
		RobotDemo rd = new RobotDemo();

		rd.setLocation(100,100);
		rd.setTitle("Robot Demo");
		rd.setSize(200,200);
		rd.show();

		Robot robot = new Robot();

		//This types the word 'robot' in the Textarea		
		for (int i = 0; i < keyInput.length; i++)
		{
			if(i > 0)
		  	{
		             robot.keyRelease(KeyEvent.VK_SHIFT);
			}
	
	        	robot.keyPress(keyInput[i]);

			robot.delay(500);

		}

		//The following clicks the button 'Bold' to get the text bolder
		robot.mouseMove(180,280);

		robot.delay(2000);

		robot.mousePress(InputEvent.BUTTON1_MASK);
	
		//This delay keeps the button pressed for 2 seconds
		robot.delay(2000);
	
		robot.mouseRelease(InputEvent.BUTTON1_MASK);
	}

	public void actionPerformed(ActionEvent ae)
	{
		Font f = new Font("Times New Roman", Font.BOLD, 20);
		ta.setFont(f);
	}
}
Kameswari Sreedharan
 
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