Logging in Production - Speaker Deck

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Logging in Production @parrots

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zipzap, Mapbox-iOS-SDK, MapboxMobileEvents, GoogleMaps, VTAcknowledgementsViewController, KissXML, MHWDirectoryWatcher, FBSDKCoreKit, JLRoutes, Crashlytics, FXKeychain, ReachabilitySwift, 1PasswordExtension, Firebase/Core, Firebase/Analytics, Firebase/ RemoteConﬁg, GzipSwift, JWT, SHEmailValidator, SDWebImage, Mobile-Buy-SDK, AFNetworking, ClusterKit, ActionSheetPicker, SwiftLint, GPSKit, CSV.swift, CHCSVParser, SwiftyJSON, CocoaLumberjack/Swift, MMWormhole

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CocoaLumberjack pod 'CocoaLumberjack/Swift'

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Why Log?

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RECaf https://recaf.app

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Take a look at these logs for me, when you get a chance. Joe Cieplinski 09:50 2018/09/19 10:13:56:392 Received invalid product identifier: com.joecieplinski.RECaf.12months

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What Does It Look Like? Traditionally

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NSLog(“Something went wrong!”)

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NSLog(“There were \(entryCount) entries.”)

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What Does It Look Like? Suggested Way

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iOS Version: 12.0 App Version: 1.1.0 Is Subscribed: true Free Trial Expired: true Expiration Date: 2018-10-03 17:06:13 +0000 HealthKit Permission Granted: true DebugInfo.txt

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2018/10/11 10:31:00:014 Non-OK response from server: 401 2018/10/11 10:31:00:014 Error fetching metadata 401: ("{\n \"message\" : \"Authorization error\",\n \"success\" : false\n}") 2018/10/11 10:32:19:259 Non-OK response from server: 401 2018/10/11 10:32:19:259 Error fetching metadata 401: (“{\n \"message\" : \"Authorization error\",\n \"success\" : false\n}") DebugLogs.txt

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OK, Sounds Cool. How Do?

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CocoaLumberjack pod 'CocoaLumberjack/Swift'

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Levels Loggers

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Levels Loggers • Error • Warning • Info • Debug • Verbose

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Levels Loggers • Error • Warning • Info • Debug • Verbose • Console • System • Rolling Files

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Demo Agenda • Conﬁguring log output destinations (loggers) • Conﬁguring log level for debug vs release • Attaching logs to Crashlytics • Retrieving logs for customer support • Adding additional info for customer support

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@parrots Thanks! github/parrots/CocoaLumberjackDemo