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
Search
Daniel Molinero Reguera
November 04, 2016
Programming
0
120
Toothpick - A fresh approach to DI
Presented at Mobile Era 2016, Andevcon SF 2016 and Andevcon Washington 2017
Daniel Molinero Reguera
November 04, 2016
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
50
Toothpick - A fresh approach to DI - Short Version
dlemures
0
53
Toothpick - A fresh approach to DI (Including Unit Testing)
dlemures
1
1k
Toothpick Bad Practices 🙅 and Nice Tricks 👌
dlemures
0
91
Dart & Henson - Better Android Intents
dlemures
1
210
Toothpick & Dependency Injection
dlemures
1
2k
Other Decks in Programming
See All in Programming
Architecture Decision Record (ADR)
nearme_tech
PRO
1
690
Kotlin 2.0が与えるAndroid開発の進化
masayukisuda
1
420
Regular Expressions, REXML, Automata Learning
makenowjust
0
220
Debugging: All you need to know (for simultaneous interpreting)
jmatsu
2
920
KSPの導入・移行を前向きに検討しよう!
shxun6934
PRO
0
290
rbs-inlineを導入してYARDからRBSに移行する
euglena1215
1
290
What is Parser
yui_knk
9
4.2k
いつか使える ObjectSpace / Maybe useful ObjectSpace
euglena1215
2
140
Why Prism?
kddnewton
4
1.7k
Securify_エンジニア採用資料
3shake
0
110
Go1.23で入った errorsパッケージの小さなアプデ
kuro_kurorrr
2
400
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
0
130
Featured
See All Featured
Agile that works and the tools we love
rasmusluckow
327
20k
What's new in Ruby 2.0
geeforr
340
31k
How to Ace a Technical Interview
jacobian
274
23k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
663
120k
Fireside Chat
paigeccino
31
2.9k
GraphQLの誤解/rethinking-graphql
sonatard
65
9.8k
The Pragmatic Product Professional
lauravandoore
31
6.2k
Fontdeck: Realign not Redesign
paulrobertlloyd
80
5.1k
How STYLIGHT went responsive
nonsquared
93
5.1k
How GitHub Uses GitHub to Build GitHub
holman
472
290k
YesSQL, Process and Tooling at Scale
rocio
167
14k
The World Runs on Bad Software
bkeepers
PRO
64
11k
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, BoundBox, … STEPHANE NICOLAS DANIEL MOLINERO REGUERA Android Dev @ Groupon Turbulence Ninja OSS: Dart, TP. +stephane @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 ?
WHY DI ? DECOUPLE
WHY DI ? DECOUPLE USES
WHY DI ? DECOUPLE REUSE USES
WHY DI ? DECOUPLE REUSE USES USES USES
WHY DI ? DECOUPLE REUSE TEST USES USES USES
WHY DI ? DECOUPLE REUSE TEST USES USES USES MOCK
USES
WHY TOOTHPICK?
WHY TOOTHPICK? SIMPLER
WHY TOOTHPICK? SIMPLER BETTER TEST SUPPORT
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; }
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
TOOTHPICK FEATURES SCOPE SCOPE MAKE INJECTIONS
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
TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE BINDINGS
TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE BINDINGS MODULES
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 SCOPE TREE
TOOTHPICK FEATURES APPLICATION SCOPE SCOPE TREE
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY 2 SCOPE SCOPE TREE
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY 2 SCOPE SERVICE 1 SCOPE
SCOPE TREE
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY 2 SCOPE SERVICE 1 SCOPE
FRAGMENT 1 SCOPE SCOPE TREE
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY 2 SCOPE SERVICE 1 SCOPE
FRAGMENT 1 SCOPE FRAGMENT 2 SCOPE SCOPE TREE
TOOTHPICK FEATURES APPLICATION 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
Machine machine; @Inject Context context; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Scope scope = Toothpick.openScopes(getApplication(), this); scope.installModules(…); Toothpick.inject(this, scope); } } SCOPE TREE
TOOTHPICK FEATURES public class LemonActivity extends Activity { @Inject
Machine machine; @Inject Context context; @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 SCOPE SINGLETONS
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY SCOPE APP SINGLETONS SCOPE SINGLETONS
TOOTHPICK FEATURES APPLICATION SCOPE ACTIVITY SCOPE APP SINGLETONS ACTIVITY SINGLETONS
SCOPE SINGLETONS
TOOTHPICK FEATURES public class Module extends Module { public Module()
{ bind(Machine.class).toInstance(new Ice Machine()); } } 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
ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION
APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY
SCOPE
APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY
SCOPE
APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE
PRESERVATION ACTIVITY SCOPE
PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP
& STATE PRESERVATION ACTIVITY SCOPE
PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP
& STATE PRESERVATION
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
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS Purchase Flow
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS Purchase Flow
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS
ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI
ACTIVITY FLOWS
APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE
MULTI ACTIVITY FLOWS
APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE
MULTI ACTIVITY FLOWS
APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE
ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS
APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE
ACTIVITY 3 SCOPE ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS
APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE MULTI ACTIVITY FLOWS
APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES 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 ?
CONCLUSION QUESTIONS ? COMMENTS ?
A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/ +stephane @D_Lemures