Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
TP-Mobile-Era-2016-final-compressed.pdf
Search
stephanenicolas
November 04, 2016
Programming
1
1.6k
TP-Mobile-Era-2016-final-compressed.pdf
Introduction to Toothpick: a fresh approach to DI
(Java / Android)
stephanenicolas
November 04, 2016
Tweet
Share
More Decks by stephanenicolas
See All by stephanenicolas
Comparing DI frameworks
stephanenicolas
0
1.2k
Dart & Henson: Better Android Intents
stephanenicolas
0
760
Migrate from RoboGuice 4 to Toothpick
stephanenicolas
0
520
Toothpick: a fresh approach to Dependency Injection (DI) on Android.
stephanenicolas
0
4.7k
Reflection No Reflection
stephanenicolas
5
170
Mocking workshop at Groupon
stephanenicolas
3
210
Byte Code Weaving for Android
stephanenicolas
2
610
Blender : Boosting Guice with annotation processing
stephanenicolas
9
2.9k
RoboSpice presentation
stephanenicolas
1
600
Other Decks in Programming
See All in Programming
いま中途半端なSwift 6対応をするより、Default ActorやApproachable Concurrencyを有効にしてからでいいんじゃない?
yimajo
2
320
AI Coding Meetup #3 - 導入セッション / ai-coding-meetup-3
izumin5210
0
370
CSC509 Lecture 02
javiergs
PRO
0
400
私達はmodernize packageに夢を見るか feat. go/analysis, go/ast / Go Conference 2025
kaorumuta
2
470
defer f()とdefer fの挙動を 誤解していた話
kogamochiduki
2
170
GitHub Actions × AWS OIDC連携の仕組みと経緯を理解する
ota1022
0
230
Serena MCPのすすめ
wadakatu
4
880
Le côté obscur des IA génératives
pascallemerrer
0
100
CSS Linter の現在地 2025年のベストプラクティスを探る
ryo_manba
10
3.2k
高度なUI/UXこそHotwireで作ろう Kaigi on Rails 2025
naofumi
4
3.2k
(Extension DC 2025) Actor境界を越える技術
teamhimeh
1
210
2025年版 サーバーレス Web アプリケーションの作り方
hayatow
23
25k
Featured
See All Featured
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.7k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.1k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
45
2.5k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
The Invisible Side of Design
smashingmag
301
51k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.5k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
A better future with KSS
kneath
239
17k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
The Language of Interfaces
destraynor
162
25k
We Have a Design System, Now What?
morganepeng
53
7.8k
Transcript
A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/
ABOUT US Senior Android Dev @ Groupon ~20 years of
Java coding OSS: Dart, TP STEPHANE NICOLAS DANIEL MOLINERO REGUERA Android Dev @ Groupon Best level 3 ever OSS: Dart, +stephane)nicolas @D_Lemures
5IF"OESPJE5FBNJT)JSJOH jobs.groupon.com/careers/
THE TALK WHY DI ? WHY TOOTHPICK? TOOTHPICK FEATURES
ADVANCED FEATURES CONCLUSION SCOPE MODULES & BINDINGS SCOPE TREE SCOPE SINGLETONS MVP & STATE PRESERVATION MULTIPLE ACTIVITIES FLOWS
WHY DI ? DECOUPLE REUSE TEST USES USES USES MOCK
USES
WHY TOOTHPICK? SIMPLER BETTER TEST SUPPORT EVEN FASTER
TOOTHPICK FEATURES public class SmoothieMachine { @Inject IceMachine iceMachine;
public void doSmoothie() { iceMachine.makeIce(); } } @Singleton public class IceMachine { Foo foo; @Inject public IceMachine(Foo foo) { this.foo = foo; } JSR 330 annotations→nothing new here
TOOTHPICK FEATURES SCOPE SCOPE MAKE INJECTIONS public class MyApplication extends
Application { @Inject Machine machine; @Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(this); appScope.installModules(…); Toothpick.inject(this, appScope); } }
TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE BINDINGS MODULES public
class MyApplication extends Application { @Inject Machine machine; @Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(this); appScope.installModules(new Module() {{ bind(Machine.class).to(IceMachine.class); }}); Toothpick.inject(this, appScope); } }
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY 1 SCOPE ACTIVITY 2 SCOPE
SERVICE 1 SCOPE FRAGMENT 3 SCOPE FRAGMENT 1 SCOPE FRAGMENT 2 SCOPE SCOPE TREE
TOOTHPICK FEATURES public class LemonActivity extends Activity { @Inject
SmoothieMachine smoothieMachine; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Scope scope = Toothpick.openScopes(getApplication(), this); scope.installModules(…); Toothpick.inject(this, scope); } } SCOPE TREE APPLICATION SCOPE ACTIVITY SCOPE
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY SCOPE APP SINGLETONS ACTIVITY SINGLETONS
SCOPE SINGLETONS
TOOTHPICK FEATURES public class Module extends Module { public Module1()
{ bind(Machine.class).toInstance(new IceMachine()); } } SCOPE SINGLETONS SINGLETONS CAN BE DEFINED IN MODULES
TOOTHPICK FEATURES @Singleton public class IceMachine { } @ActivitySingleton public
class SmoothieMachine { } APPLICATION SCOPE ACTIVITY SCOPE SCOPE SINGLETONS OR USING ANNOTATIONS
ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION
ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION Landscape Portrait
PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP
& STATE PRESERVATION ACTIVITY SCOPE
ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION public class MyActivity
extends Activity { @Inject MyPresenter presenter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Scope scope = openScopes(getApplication(), PresenterSingleton.class, this); Toothpick.inject(this, scope); } }
@PresenterSingleton public class MyPresenter { String dealId; int quantity; }
PRESENTER SCOPE MVP & STATE PRESERVATION ADVANCED TOOTHPICK FEATURES
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS Purchase Flow !
APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE
ACTIVITY 3 SCOPE ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS
ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION public class MyActivity
extends Activity { @Inject ShoppingCart shoppingCart; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Scope scope = openScopes(getApplication(), FlowSingleton.class, this); Toothpick.inject(this, scope); } }
@FlowSingleton public class ShoppingCart { List<PurchaseItem> purchases… } FLOW SCOPE
MULTI ACTIVITY FLOWS ADVANCED TOOTHPICK FEATURES
CONCLUSION QUESTIONS ? COMMENTS ?
A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/ +stephane)nicolas @D_Lemures