IOS Xcode7 new PCH file

First step: Create a new file find Othere in iOS click PCH file to click Next

The second step: Modify the file name is the current project name (usually the same name as the project name), tick targets, click Create created

Step three: Check the path copy in the red box

Fourth step: Search for the prefix header and enter in the blanks after this option, or double-click

Fifth Step: Enter $ (srcroot) in the box and paste the path you just copied.

Sixth step: Delete the extra parts and you're done.

IOS Xcode7 new PCH file