Flutter iOS Command CompileSwift failed with a nonzero exit code

Question

enter image description hereUncategorized (Xcode): Command CompileSwiftSources failed with a nonzero exit code

Swift Compiler Error (Xcode): Cannot convert value of type 'UnsafeRawPointer' to expected argument type 'UnsafePointer<pb_byte_t>?' (aka 'Optional<UnsafePointer>') /Users/nex3012/Dev/flutterProjects/Fudosan/fudosan-calendar-application/ios/Pods/FirebaseS essions/FirebaseSessions/Sources/SessionStartEvent.swift:191:55

I tried to add firebase_crashlytics in my flutter project. it throws error in iOS when compiling.

Failed to build iOS app Uncategorized (Xcode): Command CompileSwiftSources failed with a nonzero exit code

Swift Compiler Error (Xcode): Cannot convert value of type 'UnsafeRawPointer' to expected argument type 'UnsafePointer<pb_byte_t>?' (aka 'Optional<UnsafePointer>') /Users/nex3012/Dev/flutterProjects/Fudosan/fudosan-calendar-application/ios/Pods/FirebaseS essions/FirebaseSessions/Sources/SessionStartEvent.swift:191:55

Answer 1

I fixed this issue by finding the issue in the Swift dependency and changing the offending line from:

let bytes = (transportBytes as NSData).bytes

TO

let bytes = (transportBytes as NSData).bytes.bindMemory(to: pb_byte_t.self, capacity: transportBytes.count)