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Data binding provides two-way binding function, so many frameworks directly inject ViewModel into xml. I personally dislike this practice. It may be that getting up early and Databinding is immature often leads to inexplicable compilation errors XXX Br not found and can't find variable. When using Databinding, I use it more to get the control a ...

After the above two articles, you should have a general understanding of the principle of spring (the code is not important, but the focus is on the idea). spring is implemented, so we have to mention MVC architecture. MVC architecture How to design the structure of a program is a special knowledge, called "architectural pattern", w ...

Blog address: Coding Lemon's blog All articles will be updated on the blog at the first time! Big factory interview series fifth bullet! This chapter is special. It may summarize all the common design patterns, and then I will mark out some of the most frequently asked design patterns. There are many contents, but they are dry goods! In or ...

The principle or source code of each technology stack we usually use is more or less related to the concept of design patterns. It can also be said that only by better mastering design patterns, our code can be more standardized, concise and more efficient. Secondly, most of the design patterns are repeatedly summarized through the experience ...

Template method pattern 1. Template method mode In Template Pattern, an abstract class publicly defines the method / template for executing its method. Its subclass can override the method implementation as needed, but the call will be made in the way defined in the abstract class 1. Introduction Intent: define the skeleton of the algor ...

Design and thinking of fluent dynamic framework Fair Flutter dynamic framework Fair Document launch & open source countdown Fair is a Dart oriented framework. Although JavaScript is the "best language" in the world, we still choose Dart oriented rather than JS. There are two considerations: The framework community based on J ...

1, Introduction The 23 design modes are roughly divided into three categories: There are 5 kinds of creation modes: factory method mode, abstract factory mode, singleton mode, prototype mode and builder mode. 7 types (structural mode): adapter mode, decorator mode, agent mode, appearance mode, bridge mode, combination mode and sharing mode. ...

Jetpack Compose is a new library released by Google at the 2009 Google I / O conference. It is a modern toolkit for building native Android UI. It has powerful tools and intuitive Kotlin API to simplify and accelerate UI development on Android. It can help developers create views with less and more intuitive code, have more powerful functions, ...

Execute successful instance jundeMacBook-Pro:Phase I bubble junxu$ ./aapt c -S /Users/junxu/Desktop/Phase I bubble/Bubble demand finishing -C /Users/junxu/Desktop/Phase I bubble/output Crunching PNG Files in source dir: /Users/junxu/Desktop/Phase I bubble/Bubble demand finishing To destination dir: /Users/junxu/Desktop/Phase I bubble/output ...

Next is the source code analysis. Before analysis, you must understand the agent mode. What is the proxy model Proxy pattern is a common design pattern in java. Its feature is that the proxy class has the same interface as the delegate class. If other classes want to access this class, they must first pass through the proxy class. In some ca ...