Building libraries for iOS — Going native (v2)

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Building libraries for iOS Going native Alexander Dodatko 2014

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The standard library saves programmers from having to reinvent the wheel. Bjarne Stroustrup http://bit.ly/1iqZ3JO

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Code Reuse is Important

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March 2008

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http://engt.co/1pOLKH9

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The fastest code is the code that reaches the market first

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Nobody Cares

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August 2011

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pod install SomeAwesomeLibXYZ

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Except...

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Typical Workflow

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Our own Busyness Logic

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In-Place Editing

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Modular Architecture Benefits Code Reuse Test Coverage Easier to Apply Changes

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Going Native

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--no-integrate

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Not Just Library Target

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#import #import "AFHTTPRequestOperation.h" VS

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#import "AFHTTPRequestOperation.h" For Implementation Files

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#import For Public Headers

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Incapsulation

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#import #import

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Static Framework for iOS

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CFBundleDevelopmentRegion English CFBundleIdentifier org.ocmock CFBundleInfoDictionaryVersion 6.0 CFBundlePackageType FMWK CFBundleSignature ???? CFBundleVersion 2.2.3

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Drag & Drop

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Framework Search Path is updated by Xcode

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Frameworks Reduce Compilation Time

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Sharing Swift Code is Painful

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Wrapper Obj-C Classes

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swift -emit-module swift -emit-library

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CocoaPods Makes you Care about Versioning

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CocoaPods set Rules for Library Vendors

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More Binary Pods In My Opinion

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For Distribution For Development and Unit Testing

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For You For End Users

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Library Dependencies and Linker

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Never Link Libraries into Other Libraries

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All Testable Code Should be in libraries

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Use Precompiled Headers Reduce Comping Duration

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#ifdef __OBJC__ #ifdef __cplusplus // Objective-C++ headers go here #import "MyObjectiveCppClass.h" #endif // Objective-C headers go here #import #endif #ifdef __cplusplus // Pure C++ headers go here #include #endif // Pure C headers go here #include