Xcode's shortcut key finishing record

Split screen, click on a file, and then click Option, you can split the screen

Hold down the CTRL key and select the appropriate view to drag and drop into the interface of the corresponding file.

A list of files on the left, showing Command+0,

Command+n is a new file

Command+shift+n is a new project

Option+command-> creates a new group, which is actually similar to the Android package

Xcode does not have a direct copy line in Android Studio, but you can set select Line, which is the shortcut key for selecting a row. And then manually copy it.