ACTIONSCRIPT 3 Developer’s Guide en

ACTIONSCRIPT 3.0 DEVELOPER’S GUIDE
Working with video
Finally, the xmlCompleteHandler() method calls the main() method which sets up the various component instances
on the display list, as well as the NetConnection and NetStream objects which are used to load the external FLV files.
Creating the user interface
Flash Player 9 and later, Adobe AIR 1.0 and later
To build the user interface you need to drag five Button instances onto the display list and give them the following
instance names: playButton, pauseButton, stopButton, backButton, and forwardButton.
For each of these Button instances, you’ll need to assign a handler for the click event, as seen in the following snippet:
playButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);
pauseButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);
stopButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);
backButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);
forwardButton.addEventListener(MouseEvent.CLICK, buttonClickHandler);
The buttonClickHandler() method uses a switch statement to determine which button instance was clicked, as seen
in the following code:
private function buttonClickHandler(event:MouseEvent):void
{
switch (event.currentTarget)
{
case playButton:
ns.resume();
break;
case pauseButton:
ns.togglePause();
break;
case stopButton:
ns.pause();
ns.seek(0);
break;
case backButton:
playPreviousVideo();
break;
case forwardButton:
playNextVideo();
break;
}
}
Next, add a Slider instance to the display list and give it an instance name of volumeSlider. The following code sets
the slider instance’s liveDragging property to true and defines an event listener for the slider instance’s change
event:
Last updated 6/6/2012
507