Framework Oriented Programming - MobiConf 2016

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FRAMEWORK ORIENTED PROGRAMMING @PEPIBUMUR / [email protected]

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CZEŚĆ! ! Pedro IOS DEVELOPER AT SOUNDCLOUD @PEPIBUMUR TWITTER/GITHUB WWW.PPINERA.ES

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FRAMEWORK ORIENTED PROGRAMMING

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CONTEXT HOW TIPS DOWNSIDES

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BOX

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THINGS WITH SOMETHING IN COMMON

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!"#

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BOXES FRAMEWORKS

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In computer science, a framework is a collection of implementations of behavior, written in terms of a language, that has a well-defined interface by which the behavior is invoked Wikipedia

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EXTERNAL FRAMEWORKS

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inhibit_all_warnings! use_frameworks! target 'MyApp' do pod "PureLayout" pod 'FLEX' pod 'DateTools' pod 'Reachability' pod 'RxSwift' pod 'SDWebImage' pod "SDVersion" pod 'BlocksKit' pod 'CTFeedback' pod 'TOWebViewController' pod '1PasswordExtension' pod 'SlackTextViewController' pod 'FeedbackMe' pod 'Localize-Swift' pod 'Smooch' pod 'Fabric' pod 'Crashlytics' pod 'CWStatusBarNotification' pod "ImagePickerSheetController" pod 'KYNavigationProgress' end

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! 1 APP TARGET + X EXTERNAL FRAMEWORKS

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SIMPLE PROJECTS

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SMALL TEAMS (and not distributed)

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ONLY 1-2 PLATFORMS ! "

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NEW PLATFORMS !"⌚$

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SIMPLE COMPLEX PROJECTS

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COULDN'T REUSE CODE SCALE EASILY

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BIGGER PROJECTS BIGGER TEAMS (and also distributed)

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CONFLICTS BETWEEN TEAMS (Interdependencies)

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FRAMEWORK ORIENTED PROGRAMMING

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Architectural Approach MODULARIZING YOUR APPS CODE BASES IN LOCAL AND MULTIPLATFORM FRAMEWORKS THAT EXPOSE A HOOKABLE INTERFACE.

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NEW PLATFORMS/TARGETS GLUING

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ATOMIC TEAMS THAT OWN FRAMEWORKS

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DECIDE ABOUT PERSISTENCE DECIDE ABOUT PATTERNS DECIDE ABOUT ARCHITECTURE DECIDE ABOUT LANGUAGE

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FRAMEWORK EXPOSES AN API

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FEWER INTERDEPENDENCIES FEWER CONFLICTS FEWER BUGS

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HOW TO SETUP THE PROJECT

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USING COCOAPODS CREATE PODS LINK THE PROJECT AGAINST THEM

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mkdir Frameworks; cd Frameworks; pod lib create Core pod lib create UI pod lib create Player pod lib create Offline

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Pod::Spec.new do |s| s.name = 'Player' s.dependency 'Core' s.dependency 'UI' end

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abstract_target 'Frameworks' do pod "Core", :path => "Frameworks/Core" pod "UI", :path => "Frameworks/UI" pod "Player", :path => "Frameworks/Player" pod "Offline", :path => "Frameworks/Offline" # Platforms target "MyApp" target "MyTVApp" target "MyWatchApp" end

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MANUALLY CREATING/LINKING

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WORKSPACE MULTIPLE FRAMEWORK PROJECTS LINKED/EMBEDDED

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MULTI-PLATFORM FRAMEWORK # Supported platforms SUPPORTED_PLATFORMS = iphoneos iphonesimulator appletvsimulator appletvos macosx watchsimulator watchos # Valid architectures VALID_ARCHS[sdk=macosx*] = x86_64 VALID_ARCHS[sdk=iphone*] = arm64 armv7 armv7s # Frameworks Search Path LD_RUNPATH_SEARCH_PATHS[sdk=iphone*] = $(inherited) @executable_path/Frameworks @loader_path/Frameworks LD_RUNPATH_SEARCH_PATHS[sdk=macosx*] = $(inherited) @executable_path/../Frameworks @loader_path/../Frameworks LD_RUNPATH_SEARCH_PATHS[sdk=watch*] = $(inherited) @executable_path/Frameworks @loader_path/Frameworks LD_RUNPATH_SEARCH_PATHS[sdk=appletv*] = $(inherited) @executable_path/Frameworks @loader_path/Frameworks

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TIPS

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MINIMIZE EXTERNAL DEPENDENCIES (Do it by yourself)

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HOW FRAMEWORKS ARE LINKED? SHOULD A FRAMEWORK BE EMBEDDED? CAN I LINK IT STATICALLY?

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ANALYZE EXISTING TOOLS (e.g. CocoaPods)

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FIND THE SETUP THAT WORKS FOR YOU

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FREELANCE

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FEATURE TEAMS

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MULTI-PLATFORM APPS

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DEFINE A PUBLIC CONTRACT AND COMMUNICATION PATTERNS

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INTERNAL BY DEFAULT

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MONOREPO UNIFIED VERSIONING

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DOWNSIDES

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DOCUMENTATION NOT GOOD ENOUGH

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NO HOMOGENEITY APIS

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MACROS #if !os(macOS) import AppKit typealias Image = NSImage #else import UIKit typealias Image = UIImage #end

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XCODE HAS A LONG WAY TO GO ! "

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CONCLUSSIONS ▸ Fewer conflicts in big teams. ▸ Easy multiplatfom apps. ▸ Aims good practices (API). DO IT IF ONLY IF YOUR PROJECT NEEDS IT

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REFERENCES ▸ frameworkoriented.io ▸ Building Modern Frameworks ▸ How to create a Framework for iOS ▸ Framework vs Library ▸ Static and Dynamic libraries ▸ The Unofficial Guide to xcconfig files

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THANKS QUESTIONS? @PEPIBUMUR / [email protected] PHOTOS FROM UNSPLASH SLIDES BIT.LY/FRAMEWORKORIENTED

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