Orbit MVI in a nutshell
- Coroutines
- MVVM+
- Lightweight syntax (no inheritance!)
- Easy async code
- Safe state management
- Easy unit testing
Orbit - what's that?
Introducing MVI
Introducing MVI
State
UI
Action
(ViewModel/Presenter)
(Fragment/ViewController)
User
Intent
Model
View
Reducer
State
Data source
Intent
Transformer
View
Model
Reducer
State
Data source
Intent
Transformer
View
Model
Side effect
Key concepts
- Unidirectional cycle of data
- Non-blocking
- Immutable state
MVI - benefits
MVI - benefits
- Simplicity
- Well defined contract
- Easy unit testing
MVI - benefits
- Screenshot testing
- Interaction testing
- Time-travel debugging
Conclusions
Next steps
- Do we want this in our app?
- Draw up migration plan
Thanks!
Orbit in a nutshell
By Mikołaj Leszczyński
