iOS知识要点总结

1. objective c(nsobject, runtime, )

2. concurrent(gcd, operationqueue, nsthread, pthread)

3. networking(socket, http)

4. uikit(uiview, uicontrol)

5. block

6. memory management

7. coredata, plist, sqlite

8. code signing(vertificate, private key, provisioning file)