Tuesday, February 17, 2015

Screen capture by Java robot class

Came across a rare util class of java "Robot" class, which provie the control/auto typing of letter/keyboard controll and screen capering.

sample code
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
/**
*
* @author Rivet Systems
*/
public class RobotSample {
public static void main(String[] args) throws Exception {
for(int i=0;i<2;i++){
captureScreen(System.currentTimeMillis()+"_"+i);
}
}
public static void captureScreen(String fileName) throws Exception {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Rectangle screenRectangle = new Rectangle(screenSize);
Robot robot = new Robot();
BufferedImage image = robot.createScreenCapture(screenRectangle);
ImageIO.write(image, "png", new File(fileName));
}
}
view raw RobotSample hosted with ❤ by GitHub

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