How to disable Crashlytics iOS library using a flag?

Question

I am using latest Crashlytics library for iOS. I am looking to disable crashlytics using a single flag. How can I do that?

PS: I am not using set API key method as p

Answer 1

Swift language also supports conditional compilation:

#if FABRIC
Fabric.with([Crashlytics.self])
#endif

Define FABRIC as Swift compiler flag in Build Settings -> Swift Compiler - Custom Flags -> Other Swift Flags: