1 want to view the relationship class diagrams in projects written by others, such as inheritance relationships, or member variable relationships. Someone said to create a new file file-> new file-> ios- > other- > class model but I didn"t find this option. Xiaobai has just started, asking for a hint of

2 recently looking at other people"s iOS projects, do you have any tips or tools that can be used to read the code? Just say a name. I can go and have a look for myself. Thank you very much, little brothers, ladies and sisters!