Xcode added folder in blue and related there files are not compiling

Question

From Xcode project right click and Add File to \"projectName\" there I created a NewFolder \"ABCD\" name and added to same \"ABCD\" empty folder to the

Answer 1

If you simply drag drop a file and choose Create Folder reference, it will add as a blue folder. Please make sure you select "Create groups" from the dialogue and make sure you have selected all the targets in the "Add To Targets" section.

Like this

It will be added as yellow

Group-> With groups, Xcode stores in the project a reference to each individual file. This can lead to problems:

Folder references-> Folder references are simpler. You can spot a folder reference because it shows up in blue instead of yellow.