To resolve the sandbox is not a sync with the podfile.lock problem, as shown below

Problem Description:

Github/sourcetree downloaded demo, often used to cocoapods, sometimes because of dependencies or version problems can not be compiled run. Occurs The sandbox is not sync with the Podfile.lock when, for example, the problem is as follows

Solution Solutions

Close the current workspace, delete the workspace in the folder, and then after the pod Install,install is complete, open the workspace through workspace, Clean+build, as shown below

Before pod install, make sure that the Pod Setup command has been executed.

To resolve the sandbox is not a sync with the podfile.lock problem, as shown below