1. Apple's official documents: You can visit Apple's developer website (/), which provides complete iOS development documents and tutorials, including iOS application development guides and iOS technical short films. These resources will help you understand the development environment, basic concepts and best practices of iOS.
2. Online tutorial websites: There are many online tutorial websites that provide video tutorials, text tutorials and sample codes about iOS development. Some well-known websites include Ray Wenderlich(/) and AppCoda(/). These websites provide rich resources for iOS development tutorials, which can help you get started quickly and improve your skills.
3. Community forums and Q&A websites: There are many specialized iOS development community forums and Q&A websites, such as Stack Overflow(/) and CSDN(/), which provide paid iOS development courses. These courses are usually produced by experienced developers or technical experts, which can help you systematically learn iOS development skills.
No matter which channel you choose, I suggest you choose the appropriate course according to your learning needs and level, and pay attention to deepen your understanding and consolidate your knowledge through practical operation. I wish you good results in the development of commercial iOS!