[Design pattern] Android design pattern-Observer Pattern self-insight, android Design Pattern
The observer mode is widely used in Android. Now, let's take a look at your understanding and write a simple demo.
When a teacher lectur
============ Problem Description ============Android 4.4 Design UI Kit (Nexus 4 version) Open 10 PSD format, see online say the psd inside of the things you need to save the PNG format, and then you want to use the PNG format image as the background of the Android control?What about other tools like that?============ Solution 1============All do not ask is not as
============ Problem Description ============Android 4.4 Design UI Kit (Nexus 4 version) Open 10 PSD format, see online say the psd inside of the things you need to save the PNG format, and then you want to use the PNG format image as the background of the Android control?What about other tools like that?============ Solution 1============All do not ask is not as
Android Application Framework with borderless design intent, android with borderless design intent
The description of the feature space outside the Android Application Framework is clearly described in the SDK documentation, and the basic concepts and component lifecycles of
Android Material Design-Creating Apps with Material Design (use Material Design to Design Apps)-(0), materialandroid
Reprinted please indicate the source: http://blog.csdn.net/bbld_/article/details/40400031
Preface
This article is the first official material
Android design size and Android design sizeTerms and conceptsScreen Size
Refers to the actual physical size, which is measured on the diagonal line of the screen.For simplicity, Android divides the actual screen size into four broad sizes: small, normal, large, and extremely
UI elements
As you can imagine, the Android system is doing everything in the opposite of its competitors (which is called differentiation!). Honeycomb has its own UI specification, and it now has a new "holographic UI" visual language for day-to-day operations such as choosing a time date, selecting an option, setting the volume, and so on. Understanding this UI language is critical to creating screen flow and d
Android development-basic interface design knowledge, android Interface Design
A good APP not only has beautiful and nice interfaces, but also requires good performance and stability. As a developer, you need to understand the interface design principles and write excellent
Introduction to android Architecture Design and android Architecture Design
So far, android development has no accepted or unified development framework on the network or in the community. Many frameworks are based on method encapsulation. Today, I am talking about my unders
Android design mode: Template Method mode; android Design Mode
Template Method mode definition: defines an algorithm skeleton in a method, and delays some steps to the subclass. The template method allows the subclass to keep the algorithm structure unchanged, redefines some steps in the algorithm.
As Android smartphones continue to update. Android phone system is becoming more and more perfect, screen size is getting bigger! such as the recent release of Millet MIUI 6 and Meizu mobile phone system updates and so on.To Xiaomi MIUI6 's Android phone, MIUI6 has made a new design, insisting that " content is the ess
Android design mode-singleton mode and android Design ModeAndroid design mode-in singleton mode, under what circumstances do you need Singleton mode?
Some classes provide public functions for others to call and do not process the business logic.
Classes are called by many
Android development and design learning, Android Development and Design
3. Common UI Layout
1). LinearLayout: Linear LayoutUsed to control the display of its subviews in horizontal or vertical mode.2). RelativeLayout: relative LayoutUsed to control its subviews for layout display in relative positioning Mode3). FrameL
Android color design concept and android Design ConceptColor
Colors are inspired by contemporary buildings, road signs, crosstab charts, and sports ground pavilions. This creates a bold color expression that activates the color and is in stark contrast to the monotonous surrounding environment. Emphasize bold shadows
Android design mode-policy mode, android design mode --
1. Definition:
The Strategy Pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable. Strategy lets the algorithm vary independently from clients that use it.
Defines a series of algorithms (these algorithms implement the same
GOF23 Type design patternDesign principles:1. Single responsibility Principle (SRP): In the case of a class, there should be only one cause for it to change2. Open-Close principle (OCP): Software entities (classes, modules, functions, etc.) should be extensible, but not modifiable. That is, the extension is open, and the modification is closed.3. Dependency reversal principle: a. High-level modules should not rely on low-layer modules, and two should
Analysis of Android source code design patterns Reading Notes-design patterns you should know in Android
On and off, I also read the Android source code design pattern parsing. Many design
Intermittent, "Android source code design mode analysis" also read, the book mentions a lot of design patterns, but some in the development of the odds are very small, so can not master nor too much influence.
I think the maximum value of this book is two points, one is from the point of view of design mode to unde
This course solves the problem of how to understand the beginner's mind of Android architecture design and develop a featured product with Android system with deep customization and soft and hard integration capability.The course takes the five core of Android: HAL, Binder, Native service,
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