Now that ActionScript is reengineered from top to bottom as a true object-oriented programming (OOP) language, reusable design patterns are an ideal way to solve common problems in Flash and Flex applications. If you're an experienced Flash or Flex developer ready to tackle sophisticated programming techniques with ActionScript 3.0, this hands-on introduction to design patterns is the book you need. ActionScript 3.0 Design Patterns takes you step by step through the process, first by explaining how design patterns provide a clear road map for structuring code that actually makes OOP languages easier to learn and use. You then learn about various types of design patterns and construct small abstract examples before trying your hand at building full-fledged working applications outlined in the book. Topics in ActionScript 3.0 Design Patterns include: * Key features of ActionScript 3.0 and why it became an OOP language * OOP characteristics, such as classes, abstraction, inheritance, and polymorphism * The benefits of using design patterns * Creational patterns, including Factory and Singleton patterns * Structural patterns, including Decorator, Adapter, and Composite patterns * Behavioral patterns, including Command, Observer, Strategy, and State patterns * Multiple design patterns, including Model-View-Controller and Symmetric Proxy designs During the course of the book, you'll work with examples of increasing complexity, such as an e-business application with service options that users can select, an interface for selecting a class of products and individual products in each class, an action game application, a video record and playback application, and many more. Whether you're coming to Flash and Flex from Java or C++, or have experience with ActionScript 2.0, ActionScript 3.0 Design Patterns will have you constructing truly elegant solutions for your Flash and Flex applications in no time.
ActionScript 3.0 Design Patterns
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"Design Patterns sind extrem nützliche Helfer im Programmieralltag. Wer die Verwendung von Design Patterns in Actionscript 3.0 erlernen will, der wird seine wahre Freude mit diesem Buch haben." - blog.jensfranke.com, November 2007
Synopsis
Describes various types of reusable ActionScript design patterns and ways to build working applications.
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Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
Kundenrezensionen
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5 von 5 Kunden fanden die folgende Rezension hilfreich
Von Markus Rossler
Format:Taschenbuch
Design Pattern sind grundsätzlich schwierig zu verstehen. Dieses Buch ist gut geschrieben: Didaktisch gut aufgebaut (Theorie+Erklärung pro Pattern, Pattern-Abhängikeiten beachtet) und das Englisch ist leicht lesbar.
Das Dilemma, in dem alle Design Pattern Bücher stecken, ist, dass das Thema nicht unschwierig ist und Beispiele für das Verständnis absolut notwendig sind. Diese Beispiele sind jedoch stets irgendwelche konstruierten Mini-Beispiele. So auch in diesem Buch. Die Beispiele sind nicht falsch - ich persönlich finde nur ihre Übertragbarkeit auf die Praxis schwierig. Daher der Punkt Abzug.
Das Dilemma, in dem alle Design Pattern Bücher stecken, ist, dass das Thema nicht unschwierig ist und Beispiele für das Verständnis absolut notwendig sind. Diese Beispiele sind jedoch stets irgendwelche konstruierten Mini-Beispiele. So auch in diesem Buch. Die Beispiele sind nicht falsch - ich persönlich finde nur ihre Übertragbarkeit auf die Praxis schwierig. Daher der Punkt Abzug.
Von Christian Janata
Format:Taschenbuch
Jeder AS3 Developer sollte dieses Buch besitzen. Die detailliert vorgestellten Design Patterns sind unbedingte Grundlage guter Software Architektur. Alle von der GoF erarbeiteten Patterns werden hier mit praxisnahen Beispielen im AS3 Kontext umgesetzt. Absolut empfehlenswert.
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Worse than uninformative, it's actually mis-leading
27. August 2007
Von Lawrence Maccherone Jr.
- Veröffentlicht auf Amazon.com
Format:Taschenbuch
My biggest complaint with this book is that the authors basically just took the design patterns found in Java and C++ and re-implemented them to run under ActionScript 3 (AS3). The list is comprehensive, but it's clear that the authors don't "think in AS3".
In several core ways, AS3 is very different than Java and even more so with respect to C++. For instance, the event model is baked into the language and asynchronous programming is a different style. Also, XML and XPath are native constructs in ActionScript 3, not libraries like they are in other languages. These differences (among others) imply that some of the original Gang of Four (GoF) and Java patterns manifest themselves differently and some patterns don't apply at all. There are a few places in the book where the authors use the built-in events infrastructure and few other native features, but it's clear that they don't think in AS3. It seems like they think in Java.
For instance, the observer pattern is one of the core GoF and HeadFirst patterns. However, the native event capability in AS3 serves the same purpose. Rather than show you how/why to use the native event capability, this book happily shows you an AS3 translation of the GoF/HeadFirst observer pattern and never tells you to use the built-in event capability instead. In contrast, the Joey Lott and Danny Patterson book from Adobe Press, does not have a section on the observer pattern, but there is a chapter on "WORKING WITH EVENTS".
The above problem would be enough for me to recommend that you not buy this book but it gets worse. This book is not even great at teaching you how to think in design patterns. To be fair, neither is the original GoF design patterns book nor is the Lott/Patterson book. The best book for this purpose is the HeadFirst book. Its examples are Java but, the HeadFirst book walks you through application evolution which really makes the case for why the patterns are useful. The HeadFirst book also includes exercises and discussion as well as a quirky style that really make the concepts sink in so you learn to recognize when to use each pattern.
If you are an AS3 programmer who is already familiar with design patterns, just get the Lott/Patterson book. If you are new to design patterns, get the HeadFirst book AND the Lott/Patterson book.
In several core ways, AS3 is very different than Java and even more so with respect to C++. For instance, the event model is baked into the language and asynchronous programming is a different style. Also, XML and XPath are native constructs in ActionScript 3, not libraries like they are in other languages. These differences (among others) imply that some of the original Gang of Four (GoF) and Java patterns manifest themselves differently and some patterns don't apply at all. There are a few places in the book where the authors use the built-in events infrastructure and few other native features, but it's clear that they don't think in AS3. It seems like they think in Java.
For instance, the observer pattern is one of the core GoF and HeadFirst patterns. However, the native event capability in AS3 serves the same purpose. Rather than show you how/why to use the native event capability, this book happily shows you an AS3 translation of the GoF/HeadFirst observer pattern and never tells you to use the built-in event capability instead. In contrast, the Joey Lott and Danny Patterson book from Adobe Press, does not have a section on the observer pattern, but there is a chapter on "WORKING WITH EVENTS".
The above problem would be enough for me to recommend that you not buy this book but it gets worse. This book is not even great at teaching you how to think in design patterns. To be fair, neither is the original GoF design patterns book nor is the Lott/Patterson book. The best book for this purpose is the HeadFirst book. Its examples are Java but, the HeadFirst book walks you through application evolution which really makes the case for why the patterns are useful. The HeadFirst book also includes exercises and discussion as well as a quirky style that really make the concepts sink in so you learn to recognize when to use each pattern.
If you are an AS3 programmer who is already familiar with design patterns, just get the Lott/Patterson book. If you are new to design patterns, get the HeadFirst book AND the Lott/Patterson book.
6 von 6 Kunden fanden die folgende Rezension hilfreich
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Great detailed book
18. Februar 2008
Von I. Asseo
- Veröffentlicht auf Amazon.com
Format:Taschenbuch|Von Amazon bestätigter Kauf
I bought this book when I wanted to pick up on Design Patterns in AS3 (I had little to no experience with DP in AS2), and after I read "Essential ActionScript 3.0". I bought it without reading any reviews because I like O'reilly books, but after I placed the order, I looked at the reviews, and noticed that people were favoring "Advanced ActionScript 3 with Design Patterns" (by Joey Lott and Danny Patterson) -- so I went to the closest B&N and picked it up a day before the O'reilly one arrived, so I was able to compare. I must say that I liked the O'reilly book by FAR over the other one, mostly because of the detailed and extensive examples, descriptive copy and easy-to-follow real-life samples (even though the author referred to Gnarls Barkley as a person at one point.. haha).
So - for someone like me, who knew AS3 (the books assumes you do), but wanted to get into OOP with Design Patters, this was an excellent choice. I would highly recommend it.
So - for someone like me, who knew AS3 (the books assumes you do), but wanted to get into OOP with Design Patters, this was an excellent choice. I would highly recommend it.
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4.0 von 5 Sternen
Impressive resource on Design Patterns for ActionScript 3.0
24. November 2007
Von Peter Elst
- Veröffentlicht auf Amazon.com
Format:Taschenbuch
I've been reading through O'Reilly's "ActionScript 3.0 Design Patterns: Object Oriented Programming Techniques" by William Sanders and Chandima Cumaranatunge for the last few weeks and have to say its an incredibly useful resource.
The interesting thing is that this book approaches design patterns in the more traditional sense, not dumbing down on the object-oriented terminology. In that sense it is very approachable to those coming from a Java or C background and are looking for ActionScript 3.0 implementations of specific patterns.
Full review at: [...]
The interesting thing is that this book approaches design patterns in the more traditional sense, not dumbing down on the object-oriented terminology. In that sense it is very approachable to those coming from a Java or C background and are looking for ActionScript 3.0 implementations of specific patterns.
Full review at: [...]
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