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mode, one part is the component construction and the product assembly, the other part is the overall built algorithm . It is important to recognize this because in the construction model, the emphasis is on fixing the overall built algorithm, while flexibly extending and switching the specific construction of the part and the way the product is assembled.To put it bluntly, the focus of the construction model is to separate the construction algorithm and the concrete construction implementation,
Design patterns in the software domain provide a useful way for developers to use expert design experience. The design pattern uses the Object-oriented programming language the important characteristic: the encapsulation, the inheritance, the polymorphism, the true understanding de
extends Carbuilder {private Benzmodel benz=new Benzmodel (); Here is the key @Override public Carmodel Getcarmodel () { return This.benz;} @Override the public void Setsequence ( ArraylistYou can assemble it here.public static void Main (string[] args) { arraylistAdvantagesgood encapsulation, only inform the customer the use of the rules can beIndependent and easy to expand Usage ScenariosThe same method, different execution order, when different event results are generatedmultiple parts o
("2");Wuyi } the - @Override Wu PublicProduct getproduct () - { About returnproduct; $ } - } - - Public classDirector A { + PrivateFactory Factory =Newfactory1a2b (); the - PublicProduct newproduct () $ { the factory.init (); the Factory.buildparta (); the FACTORY.BUILDPARTB (); the returnfactory.getproduct (); - } in } the the Public classTest About { the Public Static voidMain (string[] args) the { theDirector Director =NewD
"); $ } the the Virtual voidBUILDPARTB () the { theM_PSTPRODUCT-GT;SETB ("B Style"); - } in the Virtual voidBUILDPARTC () the { AboutM_PSTPRODUCT-GT;SETC ("C Style"); the } the }; the + classStdirector - { the Public:Bayi~Stdirector () the { the DeleteM_pstbuilder; - } - the voidSetbuilder (stbuilder*Psttmpbuilder) the { theM_pstbuilder =Psttmpbuilder; the } - thestproduct*Constr
This article is from the "Wang Nimei Adult Road" blog, so be sure to keep this source http://8335914.blog.51cto.com/8325914/1613673PHP design Pattern-builder mode
Builder mode: Used primarily to create complex objects in which the built-in order of internal builds is usually stable, but the construction of objects within the object often faces complex changes. The advantage is that the construction code is separated from the presentation code, and because the builder hides how the product is assembled, the internal representation of a product needs to be changed, and
Looking back at what you wrote, when it comes to Android custom controls, the code is more adaptable, but it doesn't seem to have any technical content, so when you're learning design patterns, think about something that might improve, like:Custom dialog is a must for Android apps, and the system's controls are really ugly;In the construction, it is completely, a
Android source code design pattern analysis phase I release, android source code design patternBrief Introduction
Design patterns have become one of the most important skills of developers. They allow you to solve
Ubiquitous Design Pattern in Android development-dynamic proxy pattern
Continue to update the design pattern series. The main reason for writing this pattern is that the dynamic proxy c
Android Design Pattern series (1)-SDK source code combination pattern, android-sdk
The application of the combination mode in Android is everywhere, that is, the use of the View and ViewGroup classes. In
Ubiquitous Design Pattern in Android development-Rule Pattern
This series has been stopped for a long time and can be pulled up again. This article mainly introduces the policy mode. Before that, let's review the four modes described above.
The design mode is very important!
want to draw, and you decide whether to draw using the GPU. In general, CPU drawing is used, which is called the Drawsoftware function to draw.No8:View Tree Drawing steps :1) Decide whether to use CPU drawing or GPU drawing2) Get the Surface object for drawing surfaces3) Get and lock canvas drawing objects from surface objects4) Start the whole tree drawing process from Decorview5) Surface object unlocks canvas and notifies Surfaceflinger to update viewNo9:Windowmanagerservice systemNo10:Advant
. viewfactory and viewswitcher. viewfactory, and also defines the abstract product view.Viewswitcher. viewfactoryView makeview ()Layoutinflater. FactoryView oncreateview (string name, context, attributeset attrs)
Builder:See http://blog.csdn.net/cjjky/article/details/7327200The builder in the Standard Design Pattern Defines the abstract methods for each step of t
An example of the Android Design Pattern gives you a thorough understanding of the Decorator Pattern)Guide
In this article, I will not use conceptual text to describe the decorator mode, because the conceptual issues are usually abstract and difficult to understand, making it difficult for readers to understand why thi
Android design pattern-MVC pattern-androidmvc
Speaking of the MVC pattern of Android design, it is estimated that many people are familiar with it. Here we will take a closer look at wh
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