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
Dagger2 has been released!
Search
Masaki Ogata
April 15, 2015
Programming
3
3.2k
Dagger2 has been released!
Migrated story from Dagger1 to Dagger2 in Qiitanium App
Masaki Ogata
April 15, 2015
Tweet
Share
More Decks by Masaki Ogata
See All by Masaki Ogata
Jetpack Composeで始めるServer Cache State
ogaclejapan
2
240
AbemaTVを支えるアプリの優しさ / abematv_devcon_2017
ogaclejapan
3
6.6k
Architecture Components - Lifecycle library
ogaclejapan
3
2.6k
How to keep data between orientation changes
ogaclejapan
7
2.6k
Your app name
ogaclejapan
1
2.9k
Flux de Relax :)
ogaclejapan
13
61k
Other Decks in Programming
See All in Programming
新しいモバイルアプリ勉強会(仮)について
uetyo
1
260
コンテキストエンジニアリング Cursor編
kinopeee
1
590
#QiitaBash TDDで(自分の)開発がどう変わったか
ryosukedtomita
1
370
AIエージェント開発、DevOps and LLMOps
ymd65536
1
250
tool ディレクティブを導入してみた感想
sgash708
1
150
Understanding Ruby Grammar Through Conflicts
yui_knk
1
120
WebAssemblyインタプリタを書く ~Component Modelを添えて~
ruccho
1
860
AI OCR API on Lambdaを Datadogで可視化してみた
nealle
0
120
サイトを作ったらNFCタグキーホルダーを爆速で作れ!
yuukis
0
380
書き捨てではなく継続開発可能なコードをAIコーディングエージェントで書くために意識していること
shuyakinjo
1
290
一人でAIプロダクトを作るための工夫 〜技術選定・開発プロセス編〜 / I want AI to work harder
rkaga
12
2.7k
未来を拓くAI技術〜エージェント開発とAI駆動開発〜
leveragestech
2
160
Featured
See All Featured
Faster Mobile Websites
deanohume
309
31k
Why You Should Never Use an ORM
jnunemaker
PRO
58
9.5k
Bash Introduction
62gerente
614
210k
Designing for humans not robots
tammielis
253
25k
Raft: Consensus for Rubyists
vanstee
140
7.1k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
30
9.6k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
A better future with KSS
kneath
239
17k
Art, The Web, and Tiny UX
lynnandtonic
301
21k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
6k
Writing Fast Ruby
sferik
628
62k
Why Our Code Smells
bkeepers
PRO
338
57k
Transcript
Dagger 2.0 has been released! at potatotips #16
About me Job $> Android Engineer v0.1 GitHub $> https://github.com/ogaclejapan
Company $> CyberAgent, Inc. Name $> Masaki Ogata (@ogaclejapan)
Qiitanium
http://github.com/ogaclejapan/qiitanium ɾRxJava ɾClean Architecture + MVVMʢࣗশʣ ɾDagger ɾOkHttp
http://github.com/ogaclejapan/qiitanium ɾ ɾ ɾDagger ɾ
http://github.com/ogaclejapan/qiitanium ɾ ɾ ɾDagger 1.x ɾ Dagger 2.0 Migrated!
About Dagger
About Dagger Let me ask Wasabeef !! https://speakerdeck.com/wasabeef/dagger at potatotips
#9
Dagger2.0 Overview
100% Proguard friendly @Generated("dagger.internal.codegen.ComponentProcessor") public final class AppModule_ProvideApplicationFactory implements Factory<Application>
{ private final AppModule module; @Override public Application get() { Application provided = module.provideApplication(); if (provided == null) { throw new NullPointerException("Cannot return null from a non-@Nullable @Provides method"); } return provided; } }
100% Proguard friendly ɾ θϩϦϑϨΫγϣϯ ɾ ࣗಈੜίʔυσόοάτϨʔε͕Մೳ ɾύϑΥʔϚϯε্͕
@Component Dagger1: FeatureModule ObjectGraph SubModule1 SubModule2 SubModule3 load Includes AppModule
plus SubGraph
@Component Dagger1: @Module(includes={Module1.class, …}, injects={…}) public class AppModule { @Provided
public Hoge provideHoge() { return new Hoge(); } } ObjectGraph graph = ObjectGraph.create(new Object[] { new AppModule()}); graph.inject(this); ObjectGraph sub = graph.plus(new FeatureModule());
@Component Dagger2: AppComponent FeatureComponent Module1 Module2 Module3 modules FeatureModule AppModule
modules dependencies
@Component Dagger2: @Component(modules={ AppModule.class, …}) public interface AppComponent { public
void inject(Application app); } @Generated(“…”) public class DaggerAppComponent { //… } Annotation Processor AppComponent component = DaggerAppComponent.builder() .appModule(…).build(); component.inject(this);
Migrate Dagger 1.x to 2.0 (ͦͷұ)
Scope @Module public class Module1 { @Singleton @Provided public Hoge
provideHoge() { return new Hoge(); } } @Component(modules = { Module1.class }) public interface AppComponent { //… }
Error: AppComponent (unscoped) may not reference scoped bindings: @Singleton @Provides
Hoge Compile Error…
Fix @Module public class @Provided public return new } }
@Component(modules = { public interface AppComponent { //… } @Singleton
Custom Scope Component୯ҐͰΠϯελϯεΛཧ͍ͯ͠Δ @Generated(“…”) public final class DaggerAppComponent { //…
private void initialize(final Builder builder) { this.…Provider = ScopedProvider.create(…); } //… } ScopedProviderͰSingleton੍ޚ͕͞Ε͍ͯΔ
Custom Scope @Scope @Retention(RetentionPolicy.RUNTIME) public @interface PerActivity { } @Module(modules={…})
public class ActivityModule { @PerActivity @Provided public Hoge provideHoge() { return new Hoge(); } } Dagger2ͰScopeΛಠࣗʹఆٛͯ͠͏
Migrate Dagger 1.x to 2.0 (ͦͷ್)
Override Module Dagger1: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
{ @Singleton @Provided public Hoge provideHoge() { return new DebugHoge(); } } class Modules { Object[] list() { return ObjectGraph.create(new Object[] { new AppModule(), new DebugAppModule }); } }
Override Module Dagger2: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
{ @Singleton @Provided public Hoge provideHoge() { return new DebugHoge(); } } class Modules { Object[] list() { return ObjectGraph.create(new Object[] { new AppModule(), new DebugAppModule }); } }
Override Module Dagger2: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
extends AppModule { @Singleton @Provided public Hoge provideHoge() { return new DebugHoge(); } } class Modules { Object[] list() { return ObjectGraph.create(new Object[] { new AppModule(), new DebugAppModule }); } }
Override Module Dagger2: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
extends AppModule { @Singleton @Provided @Override public Hoge provideHoge() { return new DebugHoge(); } } class Modules { Object[] list() { return ObjectGraph.create(new Object[] { new AppModule(), new DebugAppModule }); } }
Override Module Dagger2: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
extends AppModule { @Singleton @Provided @Override public Hoge provideHoge() { return new DebugHoge(); } } class Modules { Object[] list() { return ObjectGraph.create(new Object[] { new AppModule(), new DebugAppModule }); } }
Override Module Dagger2: src/debug/java/.. @Module(addsTo=AppModule.class, override=true, …) public class DebugAppModule
extends AppModule { @Singleton @Provided @Override public Hoge provideHoge() { return new DebugHoge(); } } class Modules { AppModule appModule() { return new DebugAppModule(); } }
Override Module Dagger2: src/main/java/.. public class MyApplication extends Application {
@Inject Hoge mHoge; @Override public void onCreate() { AppComponent component = DaggerAppComponent.builder() .appModule(Modules.appModule()) .build(); component.inject(this); System.out.println(mHoge instanceof DebugHoge); //true } }
Let’s enjoy Dagger2 !!
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ m(_ _)m