ACTIONSCRIPT 3 Developer’s Guide en

ACTIONSCRIPT 3.0 DEVELOPER’S GUIDE
Working with dates and times
package
{
import flash.display.Sprite;
import flash.events.TimerEvent;
import flash.utils.Timer;
}
public class ShortTimer extends Sprite
{
public function ShortTimer()
{
// creates a new five-second Timer
var minuteTimer:Timer = new Timer(1000, 5);
}
}
// designates listeners for the interval and completion events
minuteTimer.addEventListener(TimerEvent.TIMER, onTick);
minuteTimer.addEventListener(TimerEvent.TIMER_COMPLETE, onTimerComplete);
// starts the timer ticking
minuteTimer.start();
public function onTick(event:TimerEvent):void
{
// displays the tick count so far
// The target of this event is the Timer instance itself.
trace("tick " + event.target.currentCount);
}
public function onTimerComplete(event:TimerEvent):void
{
trace("Time's Up!");
}
When the ShortTimer class is created, it creates a Timer instance that will tick once per second for five seconds. Then
it adds two listeners to the timer: one that listens to each tick, and one that listens for the timerComplete event.
Next, it starts the timer ticking, and from that point forward, the onTick() method executes at one-second intervals.
The onTick() method simply displays the current tick count. After five seconds have passed, the
onTimerComplete() method executes, telling you that the time is up.
When you run this sample, you should see the following lines appear in your console or trace window at the rate of
one line per second:
tick 1
tick 2
tick 3
tick 4
tick 5
Time's Up!
Last updated 6/6/2012
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