1.certificatesigningrequest.certsigningrequest file, always thought this file and iOS development has a relationship, it is not, you just have an Apple user even if not the developer can also get this file. (Because of this, so I have been very confused in the beginning do not know what happened.) )
2. Go to the Developer portal
3. From top to bottom 1,2,3,4 down is OK
1) CER requires a certificatesigningrequest.certsigningrequest file that has just been obtained;
2) Configure iOS app IDs, which is the content of Targets–general–identity–bundle identifier in iOS apps (configurable com.xxx.*);
3) Devices, indicates the current development machine can be installed on which the real machine on the development of the application, if there is a new machine added, need to configure here, and then download the fourth step of the Profiles file double-click on it;
4) Profiles file configuration, here is exactly the above 3-step configuration of the cer,appids,devices content.
5) Take the first step of the CER, and the fourth step profiles file download down, double click on OK, this time the machine can be developed.
4. Members of the newly added development team want to develop iOS, only two files are required:. P12(export from keychain) and profile (Fourth step profiles file)
iOS development How to develop iOS on a single Mac