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I added a bridge header to my app the other day because I was trying to add Objective-C files to my Swift project. I was having trouble getting the connection to work(and I also did not know how to implement the Objective-C files), so I decided I wanted to start over again. I deleted the Objective-C files and the Bridge-Header file and now I am getting an error saying:<unknown>:0: error: bridging header '/Users/CalebKleveter/Documents/Development/iOS/personal/swift/Projects/Dicey/Dicey/Dicey-Bridging-Header.h' does not exist
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Its correct to say, Bridging header allows user to use Objective-C classes/files in their swift code in same project. A Swift bridging header allows you to communicate with your old Objective-C classes from your Swift classes. You will need one if you plan to keep portions of your codebase in Objective-C.
To create an Objective-C bridging header file, all you need to do is drag some Objective-C code into your Swift project – Xcode should prompt you with the message "Would you like to configure an Objective-C bridging header?" Click "Creating Bridging Header" and you'll see a file called YourProjectName-Bridging-Header.
Alternatively, you can create a bridging header yourself by choosing File > New > File > [operating system] > Source > Header File. Edit the bridging header to expose your Objective-C code to your Swift code: In your Objective-C bridging header, import every Objective-C header you want to expose to Swift.
Go to Build Settings of your project, find Objective-C Bridging Header row and remove its contents.
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