First of all, this is not a new technology，It's very old，So old that almost no one mentions it。
This is a product of Apple's MVC model，It was born when there was no iPhone，It is used in conjunction with the Xcode graphical setting interface-such as NIB，of course，Now it has become XIB，Oh，And storyboard。
Now if you want to bind one[……]
In a previous article, I introduced a way to install multiple versions at the same time Xcode Tool ofUse xcode-install to manage Xcode versionsBut when there are multiple Xcodes in your system at the same time，Will cause system confusion，Make Xcode plugins unrecognizable，The main manifestation is that it is not visible at all in the system preferences Xcode pluginOptions-just like you[……]