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⬢ ⬢ ⬢ ⬢ ⬢ ⬢
Las gemas del infinito
(del Universo Android)
Nicolas Patarino
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Nicolás Patarino
@npatarino
Staff Mobile Engineer at
Podcast host at
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⬢ Architecture
⬢ Build time
⬢ Modularization
⬢ Design System
⬢ Release Process
⬢ Metrics
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⬢ Architecture ⬢ Design System
⬢ Release Process
⬢ Metrics
⬢ Build time
⬢ Modularization
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Architecture
“
La arquitectura debe ser la expresión de nuestro
tiempo, y no un plagio de culturas pasadas.
Le Corbusier
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Architecture
MVP MVVM MVI
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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Architecture 14
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
Interface View
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
View
(Activities,
Fragments...)
ViewModel
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVVM
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Architecture
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
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View
(Activities,
Fragments...)
ViewModel
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVVM
Observable
(LiveData /
DataBinding)
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Architecture
View
(Activities,
Fragments...)
Presenter / VM
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVI
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
View
(Activities,
Fragments...)
ViewModel
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVVM
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Architecture
View
(Activities,
Fragments...)
Presenter / VM
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVI
View
(Activities,
Fragments...)
Presenter
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVP
View
(Activities,
Fragments...)
ViewModel
Domain
(Use cases.)
Data
(Repositories.)
Data
(Repositories.)
Data
(Repositories.)
MVVM
Reducer
(View State)
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Architecture
Clean Testable Works for you
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⬢ Architecture
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⬢ Build time
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Build Time
“
El problema es, que pensás que tenés tiempo.
Jack Kornfield
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Build Time 22
Modularization
Remote
compiling
Build cache
KSP vs APT Grade daemons
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⬢ Architecture
⬢ Build time
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⬢ Modularization
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Modularization
“
Divide cada problema en tantas partes como
sea posible para resolverlo.
René Descartes
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Modularization 25
Layers Features
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Modularization 26
Module 1
Presentation
Feature 1
Feature 2
Feature 3
By Layers
Module 3
Data
Feature 1
Feature 2
Feature 3
Module 2
Domain
Feature 1
Feature 2
Feature 3
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Modularization 27
Module 1
Feature 1
Presentation
Domain
Data
By Features
Module 3
Feature 3
Presentation
Domain
Data
Module 2
Feature 2
Presentation
Domain
Data
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Modularization 28
VS
Scalability
Speed
Simplicity
Separation of
concerns
Independency
Less conflicts
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⬢ Architecture
⬢ Build time
⬢ Modularization
⬢ Design System
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Design System 30
“
Esto es un hecho: no se puede innovar en
productos sin primero innovar en la forma en la
que se los crea.
Alex Schleifer
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Design System 31
Atomic Design
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⬢ Architecture
⬢ Build time
⬢ Modularization
⬢ Design System
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⬢ Release Process
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Release Process 33
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Release Process 34
“
A medida que las máquinas se vuelven cada
vez más eficientes y perfectas, queda claro que
la grandeza del ser humano es la imperfección.
Ernst Fischer
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Release Process 35
Bugs
Reduce effort
(Feature flags, tests A/B,
Developer Settings)
Automation
(Compilation, run tests,
artifacts generation,
publishing, transitioning
tickets..)
Release
frequently
Time
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⬢ Design System
⬢ Release Process
⬢ Metrics
⬢ Architecture
⬢ Build time
⬢ Modularization
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Metrics 37
“
Si no podés medir algo, no podés entenderlo. Si
no podés entenderlo, no podés controlarlo. Si no
podés controlarlo, no podés mejorarlo.
H. James Harrington
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Metrics 38
Development
(Errors, time-to-render,
API-calls)
Business
(Not finish payment, not
accept newsletter...)
User Experience
(Time-to-interact,
Performance for A/B
Testing)
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Metrics 39
Detect fast
Fail fast Alerts
Think about
business
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⬢ Architecture
⬢ Build time
⬢ Modularization
⬢ Design System
⬢ Release Process
⬢ Metrics
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"Los héroes están hechos por los caminos que
eligen, no por los poderes con los que nacieron"
#CodemotionConf21
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Nicolás Patarino
@npatarino
#ChimichurriCode
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