I tried to open the .xcodepoj file, but only one file is opened by Xcode, this is main.m.
Help me please! How to open a project? What is the problem?
We had a similar problem a few days ago. The way to fix it:
Hope this helps
This is how I restored it to its normal form.
Not necessary
Xcode should now be in the state you want.
Why did this happen?
Double click on one of the application files and it will open in a new bare editor. Close the Xcode application before closing the last open window. Close Xcode. Open the application again and we are here.
Decision:
you can Alt + click on the arrows expand the entire hierarchy.
Alt + click on the arrows