android clean architecture for dummies
Post on 09-Jan-2017
2.293 Views
Preview:
TRANSCRIPT
2015/11/17 @kengoScal
Android Clean Architecture for
Dummies
About Me
2
Self Introductionname: Kengo Suzuki twitter: @kengoScal
3
2011~2014:Security Analyst 2014年11月: Joined MoneyForward 2014年11月~2015年01月: iOS 2015年02月~08月:Android 2015年09月~10月 : Security Architect 2015年11月 : Security Architect/Management + Android
4
In Charge of New Android App!
Android Clean Architecture
5
What is it & Why using it?
6
What is it & Why using it?
7
Not Today.
Plenty of Good Entries(with source codes)
8
• English • Architecting Android…The Clean Way? • Clean Android Architecture • MVP for Android: how to organize presentation layer
• Japanese • AndroidオールスターズでClean Architectureについて発表してきた
• これからの設計の話をしよう • AndroidではMVCよりMVPの方がいいかもしれない
Plenty of Good Entries(with source codes)
9
• English • Architecting Android…The Clean Way? • Clean Android Architecture • MVP for Android: how to organize presentation layer
• Japanese • AndroidオールスターズでClean Architectureについて発表してきた
• これからの設計の話をしよう • AndroidではMVCよりMVPの方がいいかもしれない
Big Picture
Source Code
Roles
Big Picture
Roles
Presenter
Right off the Bat?
10
訳: すぐに/直ちに
Need Endurance!
11
• Codes aren’t self explanatory • Lack of experience in using core liibraries could be pain
• Don’t know what goes where.
12
“Architecure is About Intent, not Frameworks”
13
by Robert Cecil Martin
With the Hope, no one gives up architecting
14
How to use it (Tutorial)
15
Primitive App
16
• Single Activity • Single List View
• Horizontally aligned texts • Fab
• click and fetch data • Fetch MusicList(data)
• by Retrofit • freemusicarchive.org
• DI and EventHub • Under Construction
Click And Fetch Data Tutorial
17
The Goal
18
• Click Fab • Run Retrofit to fetch data • Not considering data response
19
What We Will Implement
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
Thing You Need To Implement
20
• MainActivity • MusicListPresenter • MusicListUseCase • MusicListUseCaseImpl • MusicListRepository • MusicListRepositoryImpl • MusicListEntity
Data
Domain
Presentation
Thing You Need To Implement
21
• MainActivity • MusicListAdapter • MusicListPresenter • MusicListUseCase • MusicListUseCaseImpl • MusicListRepository • MusicListRepositoryImpl • MusicListEntity
Presentation - UserAction
22
• Main Activity & MusicListAdapter • Render List View attaching adapter • Initialize followings
• repository, usecase, presenter • Pass FAB clicked event along with Main Thread Info to Presenter
• MusicListPresenter • Receive FAB clicked event from View
• Execute MusicListUseCase(Imp) Job • Pass thread info to MusicListUseCas(Imp)
23
What We Just Implemented
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
Domain - User Action to Data Interface
24
• MusicUseCase • Provide interface between Domain Layer & Presentation Layer
• MusicUseCaseImp • Ask MusicListRepository(Imp) for API(External Resource)
• MusicListRepository • Provide interface between Domain Layer & Data Layer
25
What We Just Implemented
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
Data - Data Interface to DataSource
26
• MusicListRepositoryImp • To Fetch external Data • Declare and Execute Retrofit Http Client
• GET http://freemusicarchive.org/api?key={key}
• MusicListEntity • Parse Response and map to domain/model
• gson will handle it.
27
What We Just Implemented
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
That’s it for Fetching Data
28
Now we want to Reflect Data
Reflect Data to View Tutorial
29
The Goal
30
• Pass back data just fetched • Update View
31
What We Will Implement
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
Thing You Need To Implement
32
• MusicListRepository#MusicListFetchCallback • MusicListUseCaseImpl • MusicListUseCase#MusicListUseCaseCallback • MusicListPresenter • MusicListPresenter#MusicListViewCallback • MainActivity
Presentation
DomainData
Thing You Need To Implement
33
• MusicListRepository#MusicListFetchCallback • MusicListUseCaseImpl • MusicListUseCase#MusicListUseCaseCallback • MusicListPresenter • MusicListPresenter#MusicListViewCallback • MainActivity
Domain - Passing Data to User Interface
34
• MusicListRepository#MusicListFetchCallback • MusicListUseCaseImpl
• Implement MusicListFetchCallback • So that Main Threat can receive runnable with command with fetched data
• MusicListUseCase#MusicListUseCaseCallback • MusicListPresenter • MusicListPresenter#MusicListViewCallback • MainActivity
35
What We Just Implemented
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
Presentation - Updating View
36
• MusicListUseCase#MusicListUseCaseCallback • MusicListPresenter#MusicListViewCallback • MusicListPresenter
• Implement MusicListUseCaseCallback • Execute methods in MusicListViewCallback
• MainActivity • Implement MusicListViewCallback
• So that User Case can pass fetched data • So that Activity can update adapter data
37
What We Just Implemented
• reference • Architecting Android…The Clean Way?: • これからの設計の話をしよう
That’s it!
38
Lots of Room for Improvement
39
• Callback Repetition is quite Ugly • Many Reinvent Wheel
• Not using Dagger, RxJava • Not a big fun of passing thread around • Tutorial itself wasn’t thoroughly covered
Still, Worthwhile
40
Especially, in the team
Enjoy Clean Architecting!
41
Thank you!
References
43
• English • Architecting Android…The Clean Way?: http://fernandocejas.com/2014/09/03/architecting-android-the-clean-way/
• Clean Android Architecture: https://speakerdeck.com/richk/clean-android-architecture
• MVP for Android: how to organize presentation layer: http://antonioleiva.com/mvp-android/
• Japanese • AndroidオールスターズでClean Architectureについて発表してきた: http://tomoima525.hatenablog.com/entry/2015/08/13/190731
• これからの設計の話をしよう: http://www.slideshare.net/shinnosukekugimiya/ss-50705888
• AndroidではMVCよりMVPの方がいいかもしれない: http://konifar.hatenablog.com/entry/2015/04/17/010606
top related