1 After learning objective-c, you can learn Swift 2 The front-end principle of Cocoa used by MacOS is very similar to that of iOS. You can read Cocoa Programming developed by Apple (original book 4th edition) 3 Learning resources http://www. cimgf.com/ https://www.objc.io/ www.raywenderlich.com/
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1 After learning objective-c, you can learn Swift
2 The front-end principle of Cocoa used by MacOS is very similar to that of iOS. You can read Cocoa Programming developed by Apple (original book 4th edition)
3 Learning resources
http://www. cimgf.com/
https://www.objc.io/
www.raywenderlich.com/