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So far, in this series, you have essentially been operating on autopilot and letting FMS 3.5 automatically feed a video stream from the vod folder into the FLVPlayback component or a video object on the Stage. There will come a time when the vod folder is more of a hindrance than an asset, however. Also, the vod folder is a feature of Flash Media Streaming Server. If you are using Flash Media Interactive Server, you will need to know how to create an application that plays from this server.

Actually, it is not terribly mysterious to use, but if you are new to FMS 3.5 it can be a bit confusing. To start with, your publishing point is not a vod folder; it is your applications folder. This folder is placed in the applications folder of FMS 3.5 but it is named by you.

Free PDF Download: Adobe Flash ActionScript 3.0 Programming. This manual provides a foundation for developing applications in Adobe® ActionScript® 3.0. To best understand the ideas and techniques described, you should already be familiar with general programming concepts such as data types, variables, loops, and functions. WAFlash is a WebAssembly Flash compatible player built with Emscripten. It supports both ActionScript 3.0 and ActionScript 2.0.

The next big difference is the use of an instance. This has nothing to do with ActionScript. An instance is a specific folder named _definst_ that you must create and into which you place the video or audio files.

In addition, there is usually an .as file in the application folder that contains some relatively simple server-side code. Take a look at what I am talking about:

1. Inside the download folder is a folder called Exercise. Open it. Inside is a folder named BabyVultures. This is the application you will be using.
2. Open this folder and you will see a folder named streams and a file named main.asc (see Figure 3). This file must be named main.asc; it contains the server-side code that makes stuff work.

Note: I would like to thank my colleague Lisa Larson-Kelley for the use of this particular main.asc file.

Package	flash.utils
Class	public class Timer
Inheritance	Timer EventDispatcherObject

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

The Timer class is the interface to timers, which let you run code on a specified time sequence. Use the start() method to start a timer. Add an event listener for the timer event to set up code to be run on the timer interval.

You can create Timer objects to run once or repeat at specified intervals to execute code on a schedule. Depending on the SWF file's framerate or the runtime environment (available memory and other factors), the runtime may dispatch events at slightly offset intervals. For example, if a SWF file is set to play at 10 frames per second (fps), which is 100 millisecond intervals, but your timer is set to fire an event at 80 milliseconds, the event will be dispatched close to the 100 millisecond interval. Memory-intensive scripts may also offset the events.

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Property		Defined By
constructor : Object A reference to the class object or constructor function for a given object instance.	Object
currentCount : int [read-only] The total number of times the timer has fired since it started at zero.	Timer
delay : Number The delay, in milliseconds, between timer events.	Timer
repeatCount : int The total number of times the timer is set to run.	Timer
running : Boolean [read-only] The timer's current state; true if the timer is running, otherwise false.	Timer

Method		Defined By
Constructs a new Timer object with the specified delay and repeatCount states.	Timer
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	EventDispatcher
Dispatches an event into the event flow.	EventDispatcher
Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	EventDispatcher
Indicates whether an object has a specified property defined.	Object
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
Indicates whether the specified property exists and is enumerable.	Object
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	EventDispatcher
Stops the timer, if it is running, and sets the currentCount property back to 0, like the reset button of a stopwatch.	Timer
setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
Starts the timer, if it is not already running.	Timer
Stops the timer.	Timer
Returns the string representation of this object, formatted according to locale-specific conventions.	Object
Returns the string representation of the specified object.	Object
Returns the primitive value of the specified object.	Object
Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	EventDispatcher

Event		Summary	Defined By
[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.	EventDispatcher
[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.	EventDispatcher
Dispatched whenever a Timer object reaches an interval specified according to the Timer.delay property.	Timer
Dispatched whenever it has completed the number of requests set by Timer.repeatCount.	Timer

currentCount

property

currentCount:int [read-only]

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

The total number of times the timer has fired since it started at zero. If the timer has been reset, only the fires since the reset are counted.

Implementation
public function get currentCount():int

delay

property

delay:Number

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

The delay, in milliseconds, between timer events. If you set the delay interval while the timer is running, the timer will restart at the same repeatCount iteration.

Note: A delay lower than 20 milliseconds is not recommended. Timer frequency is limited to 60 frames per second, meaning a delay lower than 16.6 milliseconds causes runtime problems.

Implementation
public function get delay():Number
public function set delay(value:Number):void
Throws

Error — Throws an exception if the delay specified is negative or not a finite number.

repeatCount

property

repeatCount:int

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

The total number of times the timer is set to run. If the repeat count is set to 0, the timer continues indefinitely, up to a maximum of 24.86 days, or until the stop() method is invoked or the program stops. If the repeat count is nonzero, the timer runs the specified number of times. If repeatCount is set to a total that is the same or less then currentCount the timer stops and will not fire again.

Implementation
public function get repeatCount():int
public function set repeatCount(value:int):void

running

property

running:Boolean [read-only]

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

The timer's current state; true if the timer is running, otherwise false.

Implementation
public function get running():Boolean

Timer

()

Constructor

public function Timer(delay:Number, repeatCount:int = 0)

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Constructs a new Timer object with the specified delay and repeatCount states.

The timer does not start automatically; you must call the start() method to start it.

Parameters

delay:Number — The delay between timer events, in milliseconds. A delay lower than 20 milliseconds is not recommended. Timer frequency is limited to 60 frames per second, meaning a delay lower than 16.6 milliseconds causes runtime problems.

repeatCount:int (default = 0) — Specifies the number of repetitions. If zero, the timer repeats indefinitely, up to a maximum of 24.86 days (int.MAX_VALUE + 1). If nonzero, the timer runs the specified number of times and then stops.

Throws

Error — if the delay specified is negative or not a finite number

Example ( How to use this example )
In the following example, the user is given 90 seconds to enter a response in an input text field. Also, every 30 seconds, a status message lets the user know how many seconds are left.

A Timer object is created that starts in 30 seconds (delay is set to 30000 milliseconds) and repeats three times, for a total of 90 seconds. (The timer stops after the third time.)

Two event listeners are added for the myTimer timer. The first is triggered by the TimerEvent.TIMER event, which occurs every time the timer is started. The timerHandler() method changes the text for the statusTextField text field to reflect the seconds remaining.

Note: The Timer class keeps track of the number of times it has to start (repeats) by increasing the number in the currentCount property.)

After the timer is called for the last time, the TimerEvent.TIMER_COMPLETE event is dispatched and the completeHandler() method is called. The completeHandler() method changes the type of the inputTextField text field from INPUT to DYNAMIC, which means the user can no longer enter or change text.

reset

()

method

public function reset():void

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Stops the timer, if it is running, and sets the currentCount property back to 0, like the reset button of a stopwatch. Then, when start() is called, the timer instance runs for the specified number of repetitions, as set by the repeatCount value.

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Related API Elements

start

()

method

public function start():void

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Starts the timer, if it is not already running.

stop

()

method

public function stop():void

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Stops the timer. When start() is called after stop(), the timer instance runs for the remaining number of repetitions, as set by the repeatCount property.

Related API Elements

timer

Event

Event Object Type: flash.events.TimerEvent
property TimerEvent.type = flash.events.TimerEvent.TIMER

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Dispatched whenever a Timer object reaches an interval specified according to the Timer.delay property.

Defines the value of the type property of a timer event object.

This event has the following properties:

Property	Value
bubbles	false
cancelable	false; there is no default behavior to cancel.
currentTarget	The object that is actively processing the Event object with an event listener.
target	The Timer object that has reached its interval.

timerComplete

Event

Event Object Type: flash.events.TimerEvent
property TimerEvent.type = flash.events.TimerEvent.TIMER_COMPLETE

Language Version:

ActionScript 3.0

Runtime Versions:

AIR 1.0, Flash Player 9, Flash Lite 4

Dispatched whenever it has completed the number of requests set by Timer.repeatCount.

Defines the value of the

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type

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property of a timerComplete event object.

Learning Flash Actionscript 3.0

This event has the following properties:

Property	Value
bubbles	false
cancelable	false; there is no default behavior to cancel.
currentTarget	The object that is actively processing the Event object with an event listener.
target	The Timer object that has completed its requests.

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Thu Dec 6 2018, 01:12 PM -08:00