Ruby for iOS developer

A brief introduction to Ruby for iOS developer. S01 E01

Transcript

1. Ruby For iOS developer S01 E01
2. Concept • Ruby • Version manager(s) • Ruby versions • Gem • Bundler • CocoaPods
3. Ruby
4. A programming language
5. $ ruby
6. System Ruby /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
7. Why not use system ruby • Gem dependencies hell • Outdated
8. $ sudo gem install NEVER
9. Version manager(s)
10. • (RVM) http://rvm.io • (rbenv) https://github.com/sstephenson/rbenv • (chruby) https://github.com/postmodern/chruby
11. RVM Powerful. It can install, manager ruby versions $ \curl -sSL https://get.rvm.io | bash -s stable
12. rbenv Lightweight, but shims is a little painful $ brew install rbenv ruby-build
13. chruby Lightweight as rbenv, no shims RECOMMENDED $ brew install chruby ruby-install
14. Ruby versions
15. CRuby, MRI
16. • ruby-1.8 • ruby-1.9.3-p448 • ruby-2.0.0-p247 • ruby-2.0.0-p353 • ruby-2.1.0 • ruby-2.1.1
17. 1.8 is DEAD
18. 1.9 ~ 2.0
19. A patch breaks API too • ruby-1.9.3-p327 • ruby-1.9.3-p448
20. Since 2.1.0
21. Semantic Versioning https://www.ruby-lang.org/en/news/2013/12/21/semantic-versioning-after-2-1-0/ Finally
22. .ruby-version
23. • 2.0.0 • 2.0.0-p353 • 2.1.0 • 2.1.1
24. Gem
25. Ships with Ruby, manage gems
26. rubygems.org
28. Bundler
30. $ gem install bundler
31. Gemfile source 'https://rubygems.org' gem ‘nokogiri' gem 'rails', github: 'rails/rails' group :test do gem 'rspec', require: ‘spec' end
32. $ bundle install
33. CocoaPods
34. A Ruby gem $ gem install cocoapods
35. Podfile similar to Gemfile
36. Podfile platform :ios, '6.0' ! xcodeproj `MyProject` ! pod 'ObjectiveSugar', '~> 0.5’ ! target :test do pod 'OCMock', '~> 2.0.1' end
37. Q&A
38. Thanks