java JToggleButton freezes in while loop

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0

  public void playMet(){
        int tempo = Integer.parseInt(met_speed.getText());
        tempo = tempo/60;
        int delay = tempo*1000; 

        if(Play.isSelected()){
        try
        {
             FileInputStream in = new FileInputStream(new File("Click1.wav"));

             AudioStream as = new AudioStream(in);
             AudioPlayer.player.start(as);

             Thread.sleep(tempo*1000);
             playMet();

         } catch (Exception e)
         {
             JOptionPane.showMessageDialog(null, e);
         }

        } 
        else
            System.out.println("not playing");
        }

Here's a section of my code, basically when a button is pressed it plays a click x times per minute.

I've tried the code with a while loop like this

while(Play.isSelected()){
....

and that didn't work either. In both cases the program runs like it should, but freezes and I have to close it down from the task manager.

How can I call a function when the button is pressed and be able to stop it if i deselect it?

asked 1 min ago

user3562657

24

java JToggleButton freezes in while loop