Using Java Robot class in Parfeval

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Rick Han
Rick Han 2016-7-21
评论： Walter Roberson 2016-7-22
Now I want to use Java Robot Class in a function. That function will be called by parfeval(), which will be evaluated in background.
  • It seems that Java robot class can not be used in parfeval().*
May I kindly know if there is a solution for this problem?

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Edric Ellis
Edric Ellis 2016-7-22
编辑：Edric Ellis 2016-7-22
If you're referring to java.awt.Robot, then this will not work since the MATLAB worker executing the body of the parfeval function is a separate process. You might be better off writing some Java code to spawn a thread to drive the java.awt.Robot.
  2 个评论
Rick Han
Rick Han 2016-7-22
Thanks a lot for answering!
And actually, the parfeval seems not to recognize this command "robot=Robot()" or "robot = java.awt.Robot;" . This is the step to construct a java Robot object.
So you mean I need to write some codes to construct this object bu myself?
Thanks a lot!
Walter Roberson
Walter Roberson 2016-7-22
Possibly you need to import it, or make sure it is on the java class path?

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更多回答（1 个）

Walter Roberson
Walter Roberson 2016-7-22
Each worker has its own process, and that process has no assigned graphics and no assigned keyboard or mouse. When you use the Java Robot class within that process, there is no keyboard or mouse to simulate presses of.

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