Explanation of Android MVP Architecture Pattern. This slide deck is used to explain the principles behind the pattern. It has a companion github repository which helps demonstrate the pattern. https://github.com/jpotts18/android-mvp

1. ANDROID MVP
Jeff Potter
@jpotts18
github.com/jpotts18

2. MOTIVATION
• Activities with millions of callbacks. God objects.
• Single Responsibility Principle
• https://github.com/antoniolg/androidmvp
• http://en.wikipedia.org/wiki/
Single_responsibility_principle

3. MVP RESPONSIBILITIES
• The model defines the data to be displayed or
acted upon.
• The view is a passive interface that displays data
and routes user events.
• The presenter retrieves data from the model,
and notifies the view to display it.

4. MVP
ModelPresenterView
User Events

5. MVP
ModelPresenterView
User Events Update Model

6. MVP
ModelPresenterView
User Events Update Model
State Changed Event

7. MVP
ModelPresenterView
User Events Update Model
UpdateViews State Changed Event

8. LOGIN MVP
Network
Interactor
PresenterActivity
loginTapped

9. LOGIN MVP
Network
Interactor
PresenterActivity
loginTapped attemptLogin()

10. LOGIN MVP
Network
Interactor
PresenterActivity
loginTapped attemptLogin()
networkFailure()
networkSuccess()

11. LOGIN MVP
Network
Interactor
PresenterActivity
loginTapped attemptLogin()
networkFailure()
networkSuccess()
loginFailure()
loginSuccess()

12. LET’STRY IT!
$ git clone git@github.com:jpotts18/android-mvp.git

13. GOAL
• Demonstrate MVP
• Switch out Model without affecting theView
• Switch out theView without affecting the Model