継続的に機能開発を進めながら行うマルチモジュール化

by Kazuki Chigita

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©2020 Wantedly, Inc. 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ • AndroidΛਖ਼͘͠ཧղ͠ͳ͍ͱϋϚΔ࿩ • ࣄྫ঺հ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ • Flavor / BuildTypeपΓ͸͜͏͠Α͏ • Α͘࢖͏ઃఆͷڞ༗Λߦ͏ Outline ( 1 / 2 ) 3

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©2020 Wantedly, Inc. 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ • བྷΈ߹ͬͨෳࡶͳؔ܎Λղ͖΄͙ͨ͢ΊʹͰ͖Δ͜ͱ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ • NavigationͷಋೖͱޮՌ • ࣄྫ঺հ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ • ҰาҰาਐΊΔϞδϡʔϧԽ  Outline ( 2 / 2 ) 4

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©2020 Wantedly, Inc. :feature A App module / ΞϓϦϞδϡʔϧ :app Library module / ϥΠϒϥϦϞδϡʔϧ [1] [1] https://developer.android.com/studio/projects/android-library layout΍navigation౳ͷres/ҎԼͷϑΝΠϧٴͼιʔείʔυΛ  ؚΉ͜ͱ͕Ͱ͖Δ AAR (Android Archive) Ͱ͋Δɽ ࡉ͔ͳ੍໿͸͋Δ͕ɼجຊతʹ͸:appͱಉ༷ʹ࢖͏͜ͱ͕Ͱ͖Δɽ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 21

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©2020 Wantedly, Inc. 1. ϞϊϦγοΫͳ؀ڥͰ͸Ͱ͖ͳ͍͜ͱ͕૿͍͑ͯΔ :app :feature A :feature C Instant App ͷ্ݶ͸10MBͰ͋Δɽ ػೳͷҰ෦Λମݧͤ͞Δ͜ͱ͸UXΛ޲্ͤ͞Δ͜ͱʹܨ͕Δɽ ϚϧνϞδϡʔϧԽ͞Ε͍ͯͳ͍ͱ؆୯ʹࢼ͢͜ͱ͸೉͍͠ɽ Under 4MB ← ࠷௿ݶඞཁͳϞδϡʔϧͷΈΛinclude͢Δɽ ← application Id౳ base ͱͯ͠ඞؚͣΉඞཁ͕͋Δɽ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 24

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©2020 Wantedly, Inc. 2. Ϗϧυ͕͔͔࣌ؒΔ mainframerͷΑ͏ͳ֎෦Ϗϧυ؀ڥΛ࡞ͬͯϚγϯεϖοΫʹΑͬͯղܾ͢Δ → ݶք͕͋Δ → ମݧͱͯ͠ѱ͍ɾมͳϋϚΓํΛ͢Δ͜ͱ΋͋Δɽ ΄ͱΜͲมߋͷͳ͍΋ͷʹରͯ͠Ϟδϡʔϧ·Δ͝ͱϏϧυ͢Δͷ͸΋͍ͬͨͳ͍ɽ (ͱ͍ͬͯ΋cache͸͋Δఔ౓ޮ͍͍ͯΔ) ಠཱ͍ͯ͠ΔϞδϡʔϧ͸ฒྻʹϏϧυ͕Ͱ͖Δ͸ͣͳͷʹɼ  γϯάϧΞϓϦέʔγϣϯͩͱͰ͖ͳ͍ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 26

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo 2. Ϗϧυ͕͔͔࣌ؒΔ :hogeΛมߋ͢Δ͚ͩͷͱ͖มߋΛड͚Δͷ͸ ͦΕʹؔ࿈͢Δ΋ͷ͚ͩɽ શؔ͘࿈ͷͳ͍΋ͷ͸ӨڹΛड͚ͣϏϧυ͕૸Βͳ͍ͨΊɼ Ϗϧυ͕࣌ؒૣ͘ͳΔͷ͕جຊతͳݪཧ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 27

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©2020 Wantedly, Inc. 2. Ϗϧυ͕͔͔࣌ؒΔ :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :hogeΛมߋ͢Δ͚ͩͷͱ͖มߋΛड͚Δͷ͸ ͦΕʹؔ࿈͢Δ΋ͷ͚ͩɽ શؔ͘࿈ͷͳ͍΋ͷ͸ӨڹΛड͚ͣϏϧυ͕૸Βͳ͍ͨΊɼ Ϗϧυ͕࣌ؒૣ͘ͳΔͷ͕جຊతͳݪཧ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 28

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo 3. ΑΓڧ੍͍໿Λ͔͚͍ͨ ModuleΛϊʔυɼdependencyΛΤοδͱͯ͠ݟͨ࣌ʹ DAGͰ͋Δɽ(Moduleͷ॥؀ࢀর͕ͳ͍) ҙਤ͠ͳ͍ݺͼग़͠Λߏ଄తʹະવʹ๷͙͜ͱ͕Ͱ͖Δ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 30

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :app Ͳ͏΍ͬͯϚϧνϞδϡʔϧԽ͢Δͷ͔ʁ 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 35

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :app Ͳ͏΍ͬͯϚϧνϞδϡʔϧԽ͢Δͷ͔ʁ ܧଓతʹػೳ։ൃΛਐΊͳ͕Β 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 36

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ :app ͸͡Ί͔Β͖Ε͍ʹ෼ׂ͢Δ͜ͱ͸೉͍͠ ΞϓϦͷΤϯτϦʔϙΠϯτ͚ͩΛ :app ʹ࡞੒͠ɼ શͯͷػೳΛ library_module ʹಈ͔͢ɽ ࠓޙ͸খ͍ͯ͘͘͞͠ͱ͍͏ࢥ͍ΛࠐΊͯ :legacyͱ໋໊ ͳͥ੾Γग़͢ͷ͔ʁ 1. ੾Γग़ͨ͠moduleؒΛભҠ͢ΔͨΊͷ  ࢓૊Έ͕࡞Γ΍͍͢ɽ(্Ґmodule͕ཉ͍͠) 2. Ϗϧυ࣌͸ϞδϡʔϧΛෳ਺ʹ੾Γग़͠ ͯ΋ɼඞͣ:appΛ௨ΔͷͰେ͖͍ͱ  ߴ଎Խʹد༩͠ʹ͍͘ 43

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ Epoxyͱ͸ʁ RecyclerViewͷϨΠΞ΢τ૊ΈΛ ؆қʹ͢Δ΋ͷ Groupie ͱ͔͕ྨࣅ @EpoxyDataBindingLayouts ͸ Epoxyʹରͯ͠resourceΛඥ෇͚ɼ BindingModelΫϥεΛ  ࣗಈੜ੒ͤ͞ΔͨΊͷΞϊςʔγϣϯ 54

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 2. Epoxyͷ @EpoxyDataBindingLayouts({ }) ʹ  ࣦഊ͢Δɽ :app͔Β:legacyʹ  ಈ͔͚ͨͩ͠ͳͷʹɽɽɽɽ -JCSBSZ.PEVMFͰͷSFTPVSDFTͷ࢓૊ΈΛ  ਖ਼͘͠ཧղ͍ͯ͠Δඞཁ͕͋Δʂ 57

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ :library moduleͷresource͸finalఆٛ͞Εͳ͍ (ޙʹϏϧυ࣌ʹ֤ϞδϡʔϧͷresourceͷmergeΛߦ͏ͨΊ) ↓ Javaͷ࢓༷ͷ໰୊ͳͷͰɼϥΠϒϥϦଆ͔Β͸Ͳ͏ʹ΋Ͱ͖ͳ͍ ↓ ίϯύΠϧΤϥʔͷൃੜ 60

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ Epoxyͷղܾ๏[2] [2] https://github.com/airbnb/epoxy/blob/master/README.md R2.javaΛੜ੒͢Δ butterknfie-gradle-plugin ΛೖΕΔ͜ͱͰղܾͰ͖Δʂ ↓ AndroidͷഎܠΛ஌Δͱ “ͳͥ ͜ͷΑ͏ͳղܾࡦ͔”  ΛཧղͰ͖Δ 63

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©2020 Wantedly, Inc. 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 2. Epoxyͷ@EpoxyDataBindingLayouts({ })ʹ  ࣦഊ͢Δɽ 1. Android Library͔ΒpackageΛ࡞ͬͯ  :appͷϑΝΠϧΛmove͢Δͱ൵ࢂʹͳΔɽ ΞϓϦέʔγϣϯϞδϡʔϧͱ ϥΠϒϥϦϞδϡʔϧͷࡉ͔ͳҧ͍ʹ ஫ҙ͠ͳ͕ΒҠͦ͏ʂ 67

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©2020 Wantedly, Inc. 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ ڞ௨ͷ:appʹ͋ΔBuildConfigΛ࢖͍͍ͨʂ ͕:legacy -> :appͷࢀর͕Ͱ͖ͳ͍ɽ :legacy :app BuildConfig.java Θͨ͠ʮ͑ͬɽશ෦ͷbuild.gradleʹॻ͔ͳ͖Ό͍͚ͳ͍ͷʁʯ 1. BuildConfigͱͷ޲͖߹͍ํ 81

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©2020 Wantedly, Inc. 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ :app :legacy :BuildConfig BuildConfigͷinterface͚ͩఏڙ͢Δɽ ۩ମతͳ஋͸:appͷapplication಺ͰॳظԽ/஫ೖ :legacy͔Β͸:BuildConfigΛࢀর͢Δ͚ͩ 1. BuildConfigͱͷ޲͖߹͍ํ 86

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©2020 Wantedly, Inc. :B 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 2. ֤moduleΛͲ͏΍ͬͯͭͳ͙͔ :AͰ:BͷΫϥεΛݺͼग़ͤΔ :BͰ:CͷΫϥεΛݺͼग़ͤΔ :C api api :A :AͰ:CͷΫϥεΛݺͼग़ͤΔ ҧ͍͸ ϞδϡʔϧΛލ͍Ͱ ਪҠతʹ ݺͼग़͠Λڐ༰͢Δ͔ʁ 102

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©2020 Wantedly, Inc. :app :legacy :legacy2 :legacy3 core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़ͦ͏ͱࢼΈͨɽ ͳͥʁ ʹͳͬͯ͠·ͬͨɽ ͳͥʁ طଘίʔυΛ  ͦͷ··Ҡ২͠Α͏ͱ͔ͨ͠Βɽ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 116

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©2020 Wantedly, Inc. $MBTT# $MBTT% $MBTT& $MBTT* $MBTT' $MBTT$ $MBTT" $MBTT+ $MBTT) $MBTT( coreͬΆ͍෦෼Λ ੾Γग़ͦ͏ʂ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 118

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©2020 Wantedly, Inc. $MBTT# $MBTT% $MBTT& $MBTT* $MBTT' $MBTT$ $MBTT" $MBTT+ $MBTT) $MBTT( coreͬΆ͍෦෼Λ ੾Γग़ͦ͏ʂ Class J,H,I͚͕ͩཉ͍͠ͷʹɼ ༨ܭʹD,F,G΋੾Γग़͢Ӌ໨ʹ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 122

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©2020 Wantedly, Inc. $MBTT# $MBTT% $MBTT& $MBTT* $MBTT' $MBTT$ $MBTT" $MBTT+ $MBTT) $MBTT( coreͬΆ͍෦෼Λ ੾Γग़ͦ͏ʂ Class J,H,I͚͕ͩཉ͍͠ͷʹɼ ༨ܭʹD,F,G΋੾Γग़͢Ӌ໨ʹ ҶͮΔࣜʹ૿৩ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 123

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©2020 Wantedly, Inc. 1. ໌֬ͳarchitectureΛࡦఆ͢Δ 2. DIPΛۦ࢖͢Δ ྫ͑͹MVVMͷΑ͏ͳΞʔΩςΫνϟΛఆΊɼͦΕʹԊ࣮ͬͯ૷ ݺͼग़͠ͷํ޲Λ੍ݶ͢Δ͜ͱͰɼ Ϟδϡʔϧ෼཭Λଅਐͤ͞Δɽ ΋ͱͷ࣮૷ʹΑͬͯ͸վमίετ૿ ղܾࡦ͸2ͭ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 125

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©2020 Wantedly, Inc. 1. ໌֬ͳarchitectureΛࡦఆ͢Δ 2. DIPΛۦ࢖͢Δ DIP(Dependency Inversion Principle, ґଘੑٯసͷ๏ଇ)͸  ந৅ʹґଘͤ͞Δ͜ͱͰɼґଘํ޲Λٯʹ͢Δɽ ۩৅ͷ஫ೖ͸DIίϯςφΛ༻͍Δ͜ͱ͕AndroidͰ͸ଟ͍(ҹ৅)ɽ ղܾࡦ͸2ͭ 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 127

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©2020 Wantedly, Inc. $MBTT# $MBTT% $MBTT& $MBTT* $MBTT' $MBTT$ $MBTT" $MBTT+ $MBTT) $MBTT( coreͬΆ͍෦෼Λ ੾Γग़ͦ͏ʂ * * * … Interface 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 129

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©2020 Wantedly, Inc. $MBTT# $MBTT% $MBTT& $MBTT* $MBTT' $MBTT$ $MBTT" $MBTT+ $MBTT) $MBTT( coreͬΆ͍෦෼Λ ੾Γग़ͦ͏ʂ * * ֎ͷmodule΁ͷґଘ͕ ͳ͘ͳΓ੾Γग़͠Մೳʹʂ * … Interface 1. core΍utilͷΑ͏ͳ΋ͷΛҾͬுΓग़͢ͱ͖ͷϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 131

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©2020 Wantedly, Inc. 2. ը໘ؒભҠͷͨΊͷϦϑΝΫλϦϯά 'SBHNFOU # 'SBHNFOU % 'SBHNFOU & 'SBHNFOU $ 'SBHNFOU " Feature X Feature Y ಛผͳinterfaceΛ༻ҙ͢Δ͜ͱͳ͘ભҠΛߦ͍ͬͯΔͱɼ Ϟδϡʔϧ෼ׂΛߦ͓͏ͱ͢Δͱ͖ʹোนͱͳΔɽ DeepLink DeepLink 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 137

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©2020 Wantedly, Inc. 2. ը໘ؒભҠͷͨΊͷϦϑΝΫλϦϯά 'SBHNFOU # 'SBHNFOU % 'SBHNFOU & 'SBHNFOU $ 'SBHNFOU " Feature X Feature Y ಛผͳinterfaceΛ༻ҙ͢Δ͜ͱͳ͘ભҠΛߦ͍ͬͯΔͱɼ Ϟδϡʔϧ෼ׂΛߦ͓͏ͱ͢Δͱ͖ʹোนͱͳΔɽ DeepLink DeepLink → Routing༻ͷmoduleΛ௥Ճ͢Δͱྑ͍ 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 138

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©2020 Wantedly, Inc. 2. ը໘ؒભҠͷͨΊͷϦϑΝΫλϦϯά 'SBHNFOU # 'SBHNFOU % 'SBHNFOU & 'SBHNFOU $ 'SBHNFOU " Feature X Feature Y 3PVUJOH *OUFSGBDF *OUFSGBDF 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 139

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©2020 Wantedly, Inc. 2. ը໘ؒભҠͷͨΊͷϦϑΝΫλϦϯά 'SBHNFOU # 'SBHNFOU % 'SBHNFOU & 'SBHNFOU $ 'SBHNFOU " Feature X Feature Y 3PVUJOH *OUFSGBDF *OUFSGBDF ΋͠΋ಠࣗͷભҠϩδοΫ͕͋ͬͯ΋ɼ Navigation Component౳ʹ৐Γ׵͑ΒΕΔɽ 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 140

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©2020 Wantedly, Inc. 2. ը໘ؒભҠͷͨΊͷϦϑΝΫλϦϯά 'SBHNFOU # 'SBHNFOU % 'SBHNFOU & 'SBHNFOU $ 'SBHNFOU " Feature X Feature Y 3PVUJOH *OUFSGBDF *OUFSGBDF ΋͠΋ಠࣗͷભҠϩδοΫ͕͋ͬͯ΋ɼ Navigation Component౳ʹ৐Γ׵͑ΒΕΔɽ ͜͜Ͱ΋DIPΛ׆༻͍ͯ͠Δʂ 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ 141

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©2020 Wantedly, Inc. Nested NavGraphͱ͸ʁ @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me NavGraphͷதʹNavGraph͕͋Δߏ଄ 155 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. Nested NavGraphͱ͸ʁ NavGraphͷதʹNavGraph͕͋Δߏ଄ @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me Ϟδϡʔϧͷߏ੒ͱ/BW(SBQIΛ  ରԠͤ͞Δࣄ͕Ͱ͖Δʂ 156 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D 157 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D ରԠ 158 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D ରԠ ରԠ 159 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D ରԠ ରԠ ରԠ 160 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D ରԠ ରԠ ରԠ ɾ ɾ ɾ 161 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. @id/navigatoin_graph @id/navigatoin_home @id/navigatoin_register @id/navigatoin_me :app :feature A :feature B :feature C :feature D ରԠ ରԠ ରԠ ɾ ɾ ɾ /BW(SBQIΛ௨ͯ͠ɼ  GFBUVSFϞδϡʔϧͷؔ܎͕͸͖ͬΓͱ͢Δʂ 162 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ

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©2020 Wantedly, Inc. 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ   6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 168

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©2020 Wantedly, Inc. 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ   ͜ͷ4UFQ͑͞৐Γ੾Ε͹ɼ  جຊతʹ͸ฒߦ։ൃ͕Մೳʂ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 170

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©2020 Wantedly, Inc. 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 171 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ  

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©2020 Wantedly, Inc. 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ   ͜Ε͸ஈ֊తʹϞδϡʔϧΛ෼ׂ͍ͯ͘͠ ख๏ͷྫɽ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 173

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©2020 Wantedly, Inc. 1. What is a multi-module app? / ϚϧνϞδϡʔϧԽͱ͸ʁ 2. The first step is :app to :legacy / ͸͡ΊͷҰา͸:app͔Β:legacy΁ 3. A strategy of Gradle in multi-module app / ϚϧνϞδϡʔϧͱGradleઓུ 4. Modularization as refactoring / ϦϑΝΫλϦϯάͱͯ͠ͷϚϧνϞδϡʔϧԽ 5. Modularization and Android Jetpack / JetpackͱϚϧνϞδϡʔϧ 6. A continuous process of modularization with feature development  / ܧଓతʹػೳ։ൃΛߦ͍ͳ͕ΒਐΊΔͨΊʹ   ͜Ε͸ஈ֊తʹϞδϡʔϧΛ෼ׂ͍ͯ͘͠ ख๏ͷྫɽ ͜ΕΒΛ౷߹ͨ͠ҠߦखॱྫΛࣔ͢ɽ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 174

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©2020 Wantedly, Inc. 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 2. ੾Γग़͞ΕΔ૝ఆͰ࣮૷ΛਐΊΔ 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ 5. ը໘ؒͷભҠγεςϜ͕׬੒͔ͯ͠ΒfeatureΛ෼ׂ 4. :legacy΁ͷdependencyΛ࣋ͨͳ͍Α͏ʹ࣮૷ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 175

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©2020 Wantedly, Inc. 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ ΛਐΊΔ 1. ໌֬ͳarchitectureΛࡦఆ͢Δ 2. DIPΛۦ࢖͢Δ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 177

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©2020 Wantedly, Inc. 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 1. ໌֬ͳarchitectureΛࡦఆ͢Δ 2. DIPΛۦ࢖͢Δ ͜͜Ͱɼ৽ͨͳarchitectureʹଇͬͨ৔߹͸ PackageΛ෼͚Δͱྑ͍ɽ ΛਐΊΔ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 178 4. Modularization as refactoring / ϦϑΝΫλͱͯ͠ͷϚϧνϞδϡʔϧԽ

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©2020 Wantedly, Inc. 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ 5. ը໘ؒͷભҠγεςϜ͕׬੒͔ͯ͠ΒfeatureΛ෼ׂ 4. :legacy΁ͷdependencyΛ࣋ͨͳ͍Α͏ʹ࣮૷ 2. ੾Γग़͞ΕΔ૝ఆͰ࣮૷ΛਐΊΔ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 179

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©2020 Wantedly, Inc. 2. ੾Γग़͞ΕΔ૝ఆͰ࣮૷ΛਐΊΔ - internalम০ࢠΛ͚ͭΔ͜ͱͰείʔϓͷՄࢹൣғΛ੍ݶ͢Δɽ - ಉ͡Ϟδϡʔϧʹ੾Γग़͍ͨ͠΋ͷಉ࢜͸ಉ͡package໊Ͱ੾Γग़͢ɽ - :legacyʹ௥Ճͤͣʹ࣮ݱͰ͖ͦ͏ͳΒੵۃతʹϞδϡʔϧΛ࡞ͬͯΈΔɽ ػցతʹ஄͘ͷ͕ͳ͔ͳ͔೉͍͠ͷͰPRͷϨϏϡʔͳͲͰҙࣝ͢Δɽ νʔϜͱͯ͠ϞδϡʔϧԽʹऔΓ૊ΜͰ͍Δ͜ͱΛҙࣝ͢Δʂ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 180

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©2020 Wantedly, Inc. 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 5. ը໘ؒͷભҠγεςϜ͕׬੒͔ͯ͠ΒfeatureΛ෼ׂ 4. :legacy΁ͷdependencyΛ࣋ͨͳ͍Α͏ʹ࣮૷ 2. ੾Γग़͞ΕΔ૝ఆͰ࣮૷ΛਐΊΔ 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 181

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ :app :legacy 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 183

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :app :legacy 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 184

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :app :legacy 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ ԼҐͷϨΠϠʔ͔ΒϞδϡʔϧ෼͚Λߦ͏ ͜ͱͰɼMFHBDZΛ΋ͭඞཁ͕ͳ͍ʂ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 185

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©2020 Wantedly, Inc. :app :feature A :feature B :feature C :feature D :library X :library Y :library Z :core :constants :hoge :piyo :app :legacy 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ ԼҐͷϨΠϠʔ͔ΒϞδϡʔϧ෼͚Λߦ͏ ͜ͱͰɼMFHBDZΛ΋ͭඞཁ͕ͳ͍ʂ "OESPJE"1*Ҏ֎ͷΈͰߏ੒͞ΕΔॴ ΍DPOTU஋ͳͲҠߦ͠΍͍͢ʂ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 186

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©2020 Wantedly, Inc. 2. ੾Γग़͞ΕΔ૝ఆͰ࣮૷ΛਐΊΔ 3. ԼͷϨΠϠʔͱͳΔϞδϡʔϧ͔ΒҠߦ 5. ը໘ؒͷભҠγεςϜ͕׬੒͔ͯ͠ΒfeatureΛ෼ׂ 1. :legacy -> :legacy΁ͷΞʔΩςΫνϟվม΍ϦϑΝΫλϦϯά 4. :legacy΁ͷdependencyΛ࣋ͨͳ͍Α͏ʹ࣮૷ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 187

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©2020 Wantedly, Inc. 5. ը໘ؒͷભҠγεςϜ͕׬੒͔ͯ͠ΒfeatureΛ෼ׂ 5. Modularization and Android Jetpack / Android JetpackͱϚϧνϞδϡʔϧ ΛਐΊΔ 6. A continuous process of modularization with feature development /   ܧଓతʹػೳ։ൃΛਐΊͳ͕Βߦ͏ͨΊʹ 190

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