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A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/

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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

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5IF"OESPJE5FBNJT)JSJOH
 jobs.groupon.com/careers/

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THE TALK WHY DI ? WHY TOOTHPICK? TOOTHPICK FEATURES 
 ADVANCED FEATURES 
 
 CONCLUSION SCOPE MODULES & BINDINGS SCOPE TREE SCOPE SINGLETONS MVP & STATE PRESERVATION MULTIPLE ACTIVITIES FLOWS

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WHY DI ?

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WHY DI ? DECOUPLE

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WHY DI ? DECOUPLE USES

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WHY DI ? DECOUPLE REUSE USES

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WHY DI ? DECOUPLE REUSE USES USES USES

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WHY DI ? DECOUPLE REUSE TEST USES USES USES

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WHY DI ? DECOUPLE REUSE TEST USES USES USES MOCK USES

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WHY TOOTHPICK?

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WHY TOOTHPICK? SIMPLER

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WHY TOOTHPICK? SIMPLER BETTER TEST SUPPORT

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WHY TOOTHPICK? SIMPLER BETTER TEST SUPPORT EVEN FASTER

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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;
 }


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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

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TOOTHPICK FEATURES SCOPE SCOPE

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TOOTHPICK FEATURES SCOPE SCOPE MAKE INJECTIONS

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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);
 } }

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TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE

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TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE BINDINGS

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TOOTHPICK FEATURES SCOPE, MODULES & BINDINGS SCOPE BINDINGS MODULES

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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);
 } }

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 1
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 2
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 2
 SCOPE SERVICE 1
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 2
 SCOPE SERVICE 1
 SCOPE FRAGMENT 1
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 2
 SCOPE SERVICE 1
 SCOPE FRAGMENT 1
 SCOPE FRAGMENT 2
 SCOPE SCOPE TREE

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY 2
 SCOPE SERVICE 1
 SCOPE FRAGMENT 3
 SCOPE FRAGMENT 1
 SCOPE FRAGMENT 2
 SCOPE SCOPE TREE

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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

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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

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY
 SCOPE SCOPE SINGLETONS

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY
 SCOPE APP SINGLETONS SCOPE SINGLETONS

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TOOTHPICK FEATURES APPLICATION
 SCOPE ACTIVITY
 SCOPE APP SINGLETONS ACTIVITY SINGLETONS SCOPE SINGLETONS

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TOOTHPICK FEATURES public class Module extends Module {
 public Module() {
 bind(Machine.class).toInstance(new Ice Machine());
 }
 } SCOPE SINGLETONS SINGLETONS CAN BE DEFINED IN MODULES

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TOOTHPICK FEATURES @Singleton
 public class IceMachine {
 } @ActivitySingleton
 public class SmoothieMachine {
 } APPLICATION
 SCOPE ACTIVITY
 SCOPE SCOPE SINGLETONS OR USING ANNOTATIONS

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ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION

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ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION

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ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION

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APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY SCOPE

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APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY SCOPE

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APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY SCOPE

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PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY SCOPE

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PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION

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PRESENTER INSTANCE APPLICATION SCOPE PRESENTER SCOPE ADVANCED TOOTHPICK FEATURES MVP & STATE PRESERVATION ACTIVITY SCOPE

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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);
 } }

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@PresenterSingleton
 public class MyPresenter {
 String dealId;
 int quantity;
 } PRESENTER SCOPE MVP & STATE PRESERVATION ADVANCED TOOTHPICK FEATURES

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS Purchase Flow

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS Purchase Flow

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS

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ACTIVITY 1 ADVANCED TOOTHPICK FEATURES ACTIVITY 3 ACTIVITY 2 MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ACTIVITY 1 SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE ACTIVITY 3 SCOPE ACTIVITY 2 SCOPE MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES FLOW SCOPE MULTI ACTIVITY FLOWS

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APPLICATION SCOPE ADVANCED TOOTHPICK FEATURES MULTI ACTIVITY FLOWS

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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);
 } }

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@FlowSingleton
 public class ShoppingCart {
 List purchases…
 } FLOW SCOPE MULTI ACTIVITY FLOWS ADVANCED TOOTHPICK FEATURES

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CONCLUSION QUESTIONS ? COMMENTS ?

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CONCLUSION QUESTIONS ? COMMENTS ?

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A FRESH APPROACH TO DI TOOTHPICK https://github.com/stephanenicolas/toothpick/ +stephane @D_Lemures