Errata

figure 1-5 appears to show a function signature. The caption and surrounding text refer
to objects' signatures. Also, the text above figure 1-5 on page 19, reads: "An object's
signature is it's operation name, parameters, and return data type". I don't think
objects have return data types in this language. It looks to me like the word "object"
was used where "function" would have made sense, a few times on this page.

This is not a error at all but any other people can have the same troubles i did.

I got some problems testing the exercise "1.6.2. Implementing Polymorphism with
Interfaces" I have used my own FLV catched on the web file to test the app and i got the
Follow error on the file "Plasma.as".

Error #2044: Unhandled AsyncErrorEvent:. text=Error #2095: flash.net.NetStream was
unable to invoke callback onMetaData. error=ReferenceError: Error #1069: Property
onMetaData not found on flash.net.NetStream and there is no default value.
at Plasma/productDisplay() at DoBusiness$iinit()

By reference in Adobe documents, AsyncErrorEvent is Dispatched when an exception is
thrown asynchronously, from native asynchronous code. This event is dispatched when a
server calls a method on the client that is not defined.

This happened because my FLV file on test embedded properties inside it and the Plash
Player 9 has dispatched the event onMetaData but that event was not defined on the class
Plasma.as.

To avoid this problem I sugest use one clear FLV or change the code a bit as follow:

private var nc:NetConnection;
private var flvFile:String;

public function productDisplay(flv:String):void
{
nc = new NetConnection();
nc.addEventListener(NetStatusEvent.NET_STATUS,onStatus); //play when onStatus.info is
filled
nc.connect(null);
}
/*Dispatched when a NetConnection object is reporting its
status or error condition, in this case connection success.*/
private function onStatus(e:NetStatusEvent):void
{
if (e.info.code == "NetConnection.Connect.Success")
{
ns=new NetStream(nc);

/* To implement this event cannot use the addEventListener here
look in Adobe documents to find another valid way extending the class
I have used this way here to be simple on the solution */
var obj:Object = new Object();
obj.onMetaData = onMetaDataEvent;
ns.client = objMeta;

ns.play(flvFile);
vid= new Video();
vid.attachNetStream(ns);
addChild(vid);
}
}
/*Dispatched when Flash Player receives descriptive
information embedded in the FLV file being played.*/
private function onMetaDataEvent(obj:Object):void
{
trace("properties found in FLV");
for (var str:String in obj)
{
trace(str+":"+ obj[str]);
}
}

Another way to solve this is extends the class NetStream and use that on the Plasma.as:

//Plasma.as

private var nc:NetConnection;
private var flvFile:String;

public function productDisplay(flv:String):void
{
flvFile = flv;
nc = new NetConnection();
nc.addEventListener(NetStatusEvent.NET_STATUS,onStatus);
nc.connect(null);
}
/*Dispatched when a NetConnection object is reporting its
status or error condition, in this case connection success.*/
private function onStatus(e:NetStatusEvent):void
{
if (e.info.code == "NetConnection.Connect.Success")
{
ns=new NetStreamCustom(nc); //using our subclass 'NetStreamCustom'

ns.play(flvFile);
vid= new Video();
vid.attachNetStream(ns);
addChild(vid);
}
}

Later write a subclass to extend the NetStream class:

//NetStreamCustom.as

package
{
import flash.net.NetStream;
import flash.net.NetConnection;

public class NetStreamCustom extends NetStream
{
public function NetStreamCustom(nc:NetConnection):void
{
super(nc);
}
/*Dispatched when Flash Player receives descriptive
information embedded in the FLV file being played.*/
public function onMetaData(obj:Object):void
{
trace("properties found in FLV");
for (var str:String in obj)
{
trace(str+":"+ obj[str]);
}
}
}
}

"(or the client for that manner)" should most likely be changed to read "(or the client
for that matter)"

The code example shows incorrect capitalisation, suggesting that FactoryMethod is a
class.

The code example should look like:
operation()
{
..
product = factoryMethod();
..
}

The trace statement should read, "to color inkjet printer", not "to color LASER
printer" (emphasis mine) as it does currently.

In the diagram there's a duplicate of the classes InkjetPrintJob and ColorInkjetPrintJob
where WorkgroupPrintJob and ColorLaserPrintJob should be.

The class in the upper left corner of this diagram is labeled "Printjob" when it should be labeled "PrintCenter."

Under the heading Product Classes: Shape Widgets it reads "Unlike in previous examples,
we define ShapeWidget as an abstract interface" it should read "... we define
ShapeWidget as an abstract class".

The class in Example 3-11 is referred to as AlertText.as but it should be AlertTest.as. The class name inside the example is AlertTest, and the sample code for the book is also named AlertTest.as

Should be:
file AlertTest.as and save it in the same folder as Alert.as.

Instead of:
file AlertText.as and save it in the same folder as Alert.as.

Should be:
Example 3-11. AlertTest.as

Instead of:
Example 3-11. AlertText.as

code says:
Tuner._instance = new Tuner(new PrivateClass );
should read:
Tuner._instance = new Tuner(new PrivateClass());

The name of the class is given as "HeatedSeat.as", when it should be plural
"HeatedSeats.as" as shown by the name of the class two lines down: public class
HeatedSeats....

Should have been:
allows the method to access the superclass property, text, directly.

Instead of:
allows the method to access the superclass property, listText, directly.

The equation is supposed to display the division sign, but instead shows the ascii
equivalent ÷

Unless I am missing a point in the composition idea, I think there is a typo in the last
function (bolded) "setSkit" which should set the skit property. I'd imagine one would
want to use the skit type for the typing of the passed parameter addskit /* instead of
(addskit:Tricks)*/ as well as setting the skit property to the addskit parameter instead
of setting the trick property /* tricks = addSkit; */. While I believe this code would
compile, calling setSkit and passing an instance of Skit would could throw an error, or
simply set the trick for that clown instead of the skit. /* the setSkit method is not
called in example 11-20, pg.413 */

target.addEventListener(KeyboardEvent.KEY_DOWN,

The last parameter and closing parentheses are missing.

Figure 12-2 has two "view" classes in the diagram below the "RootNodeView" class. The
second class is labeled "ACIICharLeafView". This should be "ASCIICharLeafView".

In the constructor there are two parameters missing: aController:IKeyboardInputHandler,
target:Stage) and on line 14 there's the second parameter missing for the
target.addEventListener(KeyboardEvent.KEY_DOWN, onKeyPress)