How can I make Robot press and hold a mouse button for a certain period of time?

java swing mouseevent awtrobot
Neutralise picture Neutralise · Jun 19, 2011 · Viewed 18.4k times · Source

I am using Java to generate a mouse press using the Robot class:

robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);

However, I want the Robot to press the button for a certain period of time. How can I achieve this?

Answer

Martijn Courteaux picture Martijn Courteaux · Jun 19, 2011

Just sleep a bit between the two actions (specified in milliseconds):

  1. Thread.sleep(long millis);

    robot.mousePress(InputEvent.BUTTON1_MASK);
try { Thread.sleep(1000); } catch(Exception e) {} // Click one second
robot.mouseRelease(InputEvent.BUTTON1_MASK);

  2. Robot.delay(long millis);

    robot.mousePress(InputEvent.BUTTON1_MASK);
robot.delay(1000); // Click one second
robot.mouseRelease(InputEvent.BUTTON1_MASK);

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