Redux 番外篇

Transcript

1. IOS REDUX 番外篇 CJ LIN LINE TW IOS NERD
2. Why Redux
3. Redux Intro
4. Preferred Architecture MVVM + Redux + Data Normalization
5. Reducer design Reducer signature func reducer(action: Action, state: State) -> State Reducer, Pure Function: state needs to be copied and modified Performance of `Copy`?
6. ReSwift Implementation
7. Swift Struct Copy Struct copy is super fast! Copy-on-write: 
 usually the modification is not much
8. Swift / ObjC Class Copy Shallow Copy: Not worked… True Deep Copy • ObjC: NSKeyedArchiver & NSKeyedUnarchiver • Swift: Codable & JSONEncoder & JSONDecoder • 2000X+ slower
9. Swift / ObjC Class Copy Deep Copy with NSCopying • copyWithZone: • init(array:copyItems:) • Faster
10. Redux State Design Use struct!
 Eliminate duplicates State Normalization (Data shared in multi ViewControllers) Substate? Release unused / outdated data?
11. WE ARE HIRING!