How to simulate a real mouse click using java

Question

I m attempting to perform a mouse click in Java  to click something in an external program  To do this  I m using java awt robot  and the following code   Robot bot   new Robot    int mask   InputEvent MOUSE BUTTON1 DOWN  bot mouseMove x  y              bot mousePress mask        bot mouseRelease mask     Here s the problem  The external program is able to detect that this click is computer-generated and not human-generated  and hence  its rejecting this click   I have already tried moving the mouse there naturally and that didn t have any effect  So my guess is  that it must be listening to the keyboard state or such  and telling from that  that the click is computer generated   What do I have to do to set all keyboard   mouse states to act in the same way as a normal mouse click would

User · Answer

Well I had the same exact requirement  and Robot class is perfectly fine for me  It works on windows 7 and XP  tried java 6  amp  7     public static void click int x  int y  throws AWTException      Robot bot   new Robot        bot mouseMove x  y           bot mousePress InputEvent BUTTON1 DOWN MASK       bot mouseRelease InputEvent BUTTON1 DOWN MASK       May be you could share the name of the program that is rejecting your click

User · Answer

it works in Linux  perhaps there are system settings which can be changed in Windows to allow it   jcomeau aspire  tmp  cat test java  javac test java  java test import java awt event    import java awt Robot  public class test    public static void main String args        Robot bot   null    try      bot   new Robot        catch  Exception failed       System err println  Failed instantiating Robot      failed         int mask   InputEvent BUTTON1 DOWN MASK    bot mouseMove 100  100     bot mousePress mask     bot mouseRelease mask          I m assuming InputEvent MOUSE BUTTON1 DOWN in your version of Java is the same thing as InputEvent BUTTON1 DOWN MASK in mine  I m using 1 6   otherwise  that could be your problem  I can tell it worked because my Chrome browser was open to http   docs oracle com javase 7 docs api java awt Robot html when I ran the program  and it changed to Debian org because that was the link in the bookmarks bar at  100  100     added later after cogitating on it today  it might be necessary to trick the listening program by simulating a smoother mouse movement  see the answer here  How to move a mouse smoothly throughout the screen by using java

User · Answer

FYI  in newer versions of Windows  there s a new setting where if a program is running in Adminstrator mode  then another program not in administrator mode  cannot send any clicks or other input events to it  Check your source program to which you are trying to send the click  right click -  properties   and see if the  run as administrator  checkbox is selected

User · Answer

With all respect the most likely thing is that you are mistaken about why the click is being  rejected    Why do you think some program is trying to determine if it s human or not   The Robot class  have used it a lot  should send messages that the operating system has no way to distinguish from a user doing the click

User · Answer

Some applications may detect click source at low OS level  If you really need that kind of hack  you may  just run target app in virtual machine s window  and run cliker in host OS  it can help

User · Answer

You could create a simple AutoIt Script that does the job for you  compile it as an executable and perform a system call there    in au3 Script     how to use  MouseClick    button     x  y    clicks   1    speed   10      MouseClick    left     CmdLine 1    CmdLine 1      Now find aut2exe in your au3 Folder or find  Compile Script to  exe  in your Start Menu and create an executable   in your Java class call   Runtime getRuntime   exec      new String             yourscript exe            String valueOf mypoint x           String valueOf mypoint y        AutoIt will behave as if it was a human and won t be detected as a machine   Find AutoIt here  https   www autoitscript com

[java] How to simulate a real mouse click using java?

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