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
Toothpick - A fresh approach to DI - Short Version
Search
Daniel Molinero Reguera
September 26, 2017
Programming
0
61
Toothpick - A fresh approach to DI - Short Version
Presented at GDG East Bay - Samsung office
Daniel Molinero Reguera
September 26, 2017
Tweet
Share
More Decks by Daniel Molinero Reguera
See All by Daniel Molinero Reguera
TP3 & KTP: Simple, fast, and boilerplate-free DI for Kotlin
dlemures
0
56
Toothpick - A fresh approach to DI (Including Unit Testing)
dlemures
1
1.1k
Toothpick Bad Practices 🙅 and Nice Tricks 👌
dlemures
0
100
Dart & Henson - Better Android Intents
dlemures
1
220
Toothpick - A fresh approach to DI
dlemures
0
120
Toothpick & Dependency Injection
dlemures
1
2k
Other Decks in Programming
See All in Programming
爆速スッキリ! Rspack 移行の成果と道のり - Muddy Web #11
dora1998
0
130
아직도 SOLID 를 '글'로만 알고 계신가요?
sh1mj1
0
350
ローコードサービスの進化のためのモノレポ移行
taro28
1
320
英語文法から学ぶ、クリーンな設計の秘訣
newnomad
1
260
20250326_生成AIによる_レビュー承認システムの実現.pdf
takahiromatsui
15
4.5k
CRE Meetup!ユーザー信頼性を支えるエンジニアリング実践例の発表資料です
tmnb
0
150
イベントソーシングによってインピーダンスミスマッチから解放された話
tkawae
1
310
NestJSのコードからOpenAPIを自動生成する際の最適解を探す
astatsuya
0
160
AHC 044 混合整数計画ソルバー解法
kiri8128
0
290
アプリのビルドを楽にするかわいいスクリプトを作ってみた
reimim
0
120
Go1.24で testing.B.Loopが爆誕
kuro_kurorrr
0
140
Django for Data Science (Boston Python Meetup, March 2025)
wsvincent
0
190
Featured
See All Featured
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
28
2k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
A Tale of Four Properties
chriscoyier
158
23k
BBQ
matthewcrist
88
9.5k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
60k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.4k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Fireside Chat
paigeccino
37
3.3k
GitHub's CSS Performance
jonrohan
1030
460k
Transcript
A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/
5IF"OESPJE5FBNJT)JSJOH jobs.groupon.com/careers/ @D_Lemures #ToothpickDI @GrouponEng @SteffNicolas
THE TALK WHY TOOTHPICK? USING TOOTHPICK REUSING INSTANCES
VERSION 2.0 CONCLUSION DEFINING DEPENDENCIES INJECTING DEPENDENCIES MODULES & BINDINGS SCOPE TREE SCOPE SINGLETONS MULTI-ACTIVITY FLOW @D_Lemures | #ToothpickDI
WHY TOOTHPICK? @D_Lemures | #ToothpickDI The Ancient Roma Coffee Machine
Visual Toy javierarres.wordpress.com
WHY TOOTHPICK? SIMPLER BETTER TEST SUPPORT EVEN FASTER @D_Lemures |
#ToothpickDI
USING TOOTHPICK public class DealPresenter { @Inject DealApiClient apiClient;
@Inject Navigator navigator; } @Singleton public class DealApiClient { Retrofit retrofit; @Inject public IceMachine(Retrofit retrofit) { this.retrofit = retrofit; } } JSR 330 annotations→nothing new here @D_Lemures | #ToothpickDI DEFINING DEPENDENCIES
INJECTING DEPENDENCIES public class DealActivity extends Activity { @Inject DealPresenter
presenter; @Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(getApplication()); Toothpick.inject(this, appScope); } } @D_Lemures | #ToothpickDI USING TOOTHPICK
INJECTING DEPENDENCIES @D_Lemures | #ToothpickDI USING TOOTHPICK SCOPE MAKE INJECTIONS
public class DealActivity extends Activity { @Inject DealPresenter presenter; @Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(getApplication()); Toothpick.inject(this, appScope); } }
INJECTING DEPENDENCIES @D_Lemures | #ToothpickDI USING TOOTHPICK DEAL PRESENTER public
class DealActivity extends Activity { @Inject DealPresenter presenter; @Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(getApplication()); Toothpick.inject(this, appScope); } } DEAL APICLIENT NAVIGATOR RETROFIT
public class DealActivity extends Activity { @Inject DealPresenter presenter;
@Override protected void onCreate() { super.onCreate(); Scope appScope = Toothpick.openScope(getApplication()); appScope.installModules(new Module() {{ bind(Navigator.class).to(NavigatorImpl.class); bind(Retrofit.class).toInstance(retrofitInstance); }}); Toothpick.inject(this, appScope); } } MODULES & BINDINGS @D_Lemures | #ToothpickDI USING TOOTHPICK BINDINGS MODULES SCOPE
@D_Lemures | #ToothpickDI USING TOOTHPICK SCOPE 1 SCOPE 2 SCOPE
4 SCOPE 3 MODULES & BINDINGS
APPLICATION SCOPE ACTIVITY 1 SCOPE ACTIVITY 2 SCOPE SERVICE 1
SCOPE FRAGMENT 3 SCOPE FRAGMENT 1 SCOPE FRAGMENT 2 SCOPE SCOPE TREE @D_Lemures | #ToothpickDI USING TOOTHPICK
public class DealActivity extends Activity { @Inject DealPresenter presenter; @Inject
Context context; @Override protected void onCreate() { super.onCreate(); Scope scope = Toothpick.openScope(getApplication(), this); scope.installModules(new Module() {{ bind(Context.class).toInstance(this); }}); Toothpick.inject(this, scope); } } SCOPE TREE APPLICATION SCOPE ACTIVITY SCOPE @D_Lemures | #ToothpickDI USING TOOTHPICK
SCOPE SINGLETONS @D_Lemures | #ToothpickDI REUSING INSTANCES ANDROID INTENT ACTIVITY
FRAGMENT RECYCLER VIEW LOCAL SINGLETON
APPLICATION SCOPE ACTIVITY SCOPE APP SINGLETONS ACTIVITY SINGLETONS SCOPE SINGLETONS
@D_Lemures | #ToothpickDI REUSING INSTANCES
public class Module extends Module { public Module() { bind(ViewHelper.class).toInstance(new
ViewHelper()); } } SCOPE SINGLETONS SINGLETONS CAN BE DEFINED IN MODULES @D_Lemures | #ToothpickDI REUSING INSTANCES
@Singleton public class DealApiClient { } @ActivitySingleton public class ViewHelper
{ } APPLICATION SCOPE ACTIVITY SCOPE SCOPE SINGLETONS OR USING ANNOTATIONS @D_Lemures | #ToothpickDI REUSING INSTANCES
ACTIVITY 1 ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS Purchase
Flow @D_Lemures | #ToothpickDI REUSING INSTANCES
APPLICATION SCOPE ACTIVITY 1 SCOPE FLOW SCOPE ACTIVITY 3 SCOPE
ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS @D_Lemures | #ToothpickDI REUSING INSTANCES
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); } } @D_Lemures | #ToothpickDI REUSING INSTANCES MULTI ACTIVITY FLOWS
@FlowSingleton public class ShoppingCart { List<PurchaseItem> purchases… } FLOW SCOPE
MULTI ACTIVITY FLOWS @D_Lemures | #ToothpickDI REUSING INSTANCES
VERSION 2.0 RELEASABLE SINGLETONS @D_Lemures | #ToothpickDI BETTER SCOPE ANNOTATIONS
KILLING REGISTRIES BETTER API
CONCLUSION QUESTIONS ? COMMENTS ? @D_Lemures | #ToothpickDI
A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/ @D_Lemures #ToothpickDI @GrouponEng
@SteffNicolas