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shyamvs.prasad@gmail.com
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 Posted: Thu Nov 23, 2006 11:36 pm Post subject: starting a thread in applet |
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i have an applet and i want to do this :-
when the button in it is pressed :-
in the actionperformed of the button i want to set a flag to true;
another method must somehow know that the flag is set and that method
must start executing
so lemme tell u what i did :-
in the init() of the applet i gave
Thread t = new Thread(this); thread.start()
then in run() i gave
try{ System.out.println("in run"); t.sleep(1000);
if(flag){methodname();System.out.println("in run if");
t.sleep(1200);}
}
catch(Exception e){System.out.println("exception");}
but what happens in that "in run" is printed only once at the beginning
how do i accomplish what i want to ?
please need help !!! |
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Knute Johnson
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| Posted: Fri Nov 24, 2006 12:37 am Post subject: Re: starting a thread in applet |
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shyamvs.prasad (AT) gmail (DOT) com wrote:
| Quote: | i have an applet and i want to do this :-
when the button in it is pressed :-
in the actionperformed of the button i want to set a flag to true;
another method must somehow know that the flag is set and that method
must start executing
so lemme tell u what i did :-
in the init() of the applet i gave
Thread t = new Thread(this); thread.start()
then in run() i gave
try{ System.out.println("in run"); t.sleep(1000);
if(flag){methodname();System.out.println("in run if");
t.sleep(1200);}
}
catch(Exception e){System.out.println("exception");}
but what happens in that "in run" is printed only once at the beginning
how do i accomplish what i want to ?
please need help !!!
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public class XXX extends Applet implements ActionListener, Runnable {
public void init() {
Button b = new Button("Button");
b.addActionListener(this);
add(b);
}
public void actionPerformed(ActionEvent ae) {
String ac = ae.getActionCommand();
if (ac.equals("Button"))
new Thread(XXX.this).start();
}
public void run() {
while (???) { // while some condition is true, eg true
// do whatever
// if you want to sleep in the thread, use Thread.sleep()
// Thread.sleep() is a static method that sleeps the
// currently running thread
}
// when condition isn't true the thread will end
}
--
Knute Johnson
email s/nospam/knute/ |
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