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Annotation ProcessingΛ ۦ࢖ͨ͠ίʔυੜ੒Ͱ ϘΠϥʔϓϨʔτίʔυΛۦஞ͠Α͏ʂ @KazaKago DroidKaigi 2018 2018/02/08 Thu. (Day 1) 16:50-17:20 Room5

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Self-Introduction • ాଜ ݠհʢ@KazaKagoʣ • גࣜձࣾΠάχεॴଐ • ࿀Ѫ࿀׆ΞϓϦʮwithʯ։ൃϝϯόʔ • AndroidΞϓϦ։ൃྺ͸6~7೥͘Β͍

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Self-Introduction • ాଜ ݠհʢ@KazaKagoʣ • גࣜձࣾΠάχεॴଐ • ࿀Ѫ࿀׆ΞϓϦʮwithʯ։ൃϝϯόʔ • AndroidΞϓϦ։ൃྺ͸6~7೥͘Β͍

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Self-Introduction ϝϯλϦετDaiGo؂म
 ࿀Ѫɾ࿀׆ϚονϯάαʔϏεʮwithʯ

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0. લஔ͖ طଘίʔυΛோΊΔɺ͘͝ҰൠతͳΤϯδχΞͷྫ

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0. લஔ͖ ಉ͡ίʔυ͕2ճॻ͔Ε͍ͯͨ࣌

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0. લஔ͖ ಉ͡ίʔυ͕2ճॻ͔Ε͍ͯͨ࣌

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0. લஔ͖ ಉ͡ίʔυ͕3ճॻ͔Ε͍ͯͨ࣌

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0. લஔ͖ ಉ͡ίʔυ͕3ճॻ͔Ε͍ͯͨ࣌

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0. લஔ͖ ಉ͡ίʔυ͕4ճҎ্ॻ͔Ε͍ͯͨ࣌

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0. લஔ͖ ಉ͡ίʔυ͕4ճҎ্ॻ͔Ε͍ͯͨ࣌

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ಉ͡ίʔυΛԿ౓΋ ॻ͘ͷ͸ͭΒ͍ 0. લஔ͖

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ॲཧΛ·ͱΊͯ
 ڞ௨Խ͠Α͏ʂ 0. લஔ͖

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0. લஔ͖ ॲཧ͸ಉ͚ͩ͡Ͳ
 ౉͢ύϥϝʔλ͕ҟͳͬͯͯ
 ͏·͘ڞ௨ԽͰ͖ͳ͍ɾɾɾ ͳΜͯ͜ͱ΋

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Annotation Processing ʹΑΔίʔυੜ੒Ͱ
 ͰղܾͰ͖Δ͔΋ʁ 0. લஔ͖

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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1. Annotation Processingͬͯʁ Processing Annotation

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1. Annotation Processingͬͯʁ Processing Annotation

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1. Annotation Processingͬͯʁ • Java5 SE͔Βొ৔ • @͔Β࢝·Δɺίʔ υʹରͯ͠஫ऍΛೖ ΕΔػೳ • @Override΍ @Deprecated͸Ұ౓ ͸ݟͨ͜ͱ͋Δ͸ͣ ←ίϨʂ ࣗ࡞Annotationͷྫ Α͘ݟΔAnnotationͷྫ

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1. Annotation Processingͬͯʁ Processing Annotation

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1. Annotation Processingͬͯʁ Processing Annotation

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1. Annotation Processingͬͯʁ • ਖ਼֬ʹ͸Pluggable Annotation Processing API • Java6 SE͔Βొ৔ • Ϗϧυ࣌ʹ Annotationʹରͯ͠ ಛఆͷॲཧΛߦ͏࢓ ૊Έ Ϗϧυ։࢝ ίϯύΠϧ࣮ߦ Annotation Processing࣮ߦ ͳΜ΍͔Μ΍ͷޙϏϧυऴྃ ※͍Ζ͍Ζ୺ંͬͯ·͢

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1. Annotation Processingͬͯʁ ༗໊Ͳ͜ΖͷϥΠϒϥϦʹ΋Α͘׆༻͞Ε͍ͯ·͢ɻ

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1. Annotation Processingͬͯʁ ༗໊Ͳ͜ΖͷϥΠϒϥϦʹ΋Α͘׆༻͞Ε͍ͯ·͢ɻ

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࣮ࡍԿ΍ͬͯΔͷ͔
 ݟͨ͜ͱ͋Δʁ 1. Annotation Processingͬͯʁ

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1. Annotation Processingͬͯʁ • JakeWharton / Butterknife http://jakewharton.github.io/butterknife/

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1. Annotation Processingͬͯʁ • Butterknifeͷ৔߹

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1. Annotation Processingͬͯʁ 3ͭͷ
 Annotationɹ →

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1. Annotation Processingͬͯʁ 3ͭͷ
 Annotationɹ 42ߦͷΫϥε͕
 ੜ੒͞ΕͯΔʂ →

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1. Annotation Processingͬͯʁ • maskarade / Android-Orma https://github.com/maskarade/Android-Orma

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1. Annotation Processingͬͯʁ • Android-Ormaͷ৔߹

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1. Annotation Processingͬͯʁ 4ΧϥϜͷ
 1ςʔϒϧʢΫϥεʣ →

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1. Annotation Processingͬͯʁ 4ΧϥϜͷ
 1ςʔϒϧʢΫϥεʣ → ܭ1175ߦʢʂʁʣ
 ͷίʔυੜ੒

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1. Annotation Processingͬͯʁ ͜Ε͚ͩͷίʔυΛ ॻ͘ख͕ؒল͚Δʂ

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ͭ·Γ… 1. Annotation Processingͬͯʁ

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ͦͷ෼ͷ࣌ؒΛ
 ༗ҙٛʹ࢖͑Δʂ 1. Annotation Processingͬͯʁ

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1. Annotation Processingͬͯʁ ੜ੒͞Εͨιʔείʔυ͸ҎԼ΁഑ஔ͞Εͯ·͢
 {MODULE}/build/generated/source/apt/

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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Annotation Processing Λ࢖ͬͯίʔυੜ੒
 ͢Δʹ͸ʁ 2. Annotationͱίʔυੜ੒

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2. Annotationͱίʔυੜ੒ ProcessingΛߦ͏ʹ͸ɺAbstractProcessorΛܧঝͨ͠ ProcessorΫϥεΛ࡞Γ·͢ processϝιου΁AnnotationΛ͚ͭͨର৅͕Πϕϯτͱ ͯ͠ίϯύΠϧલʹྲྀΕ͖ͯ·͢

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2. Annotationͱίʔυੜ੒ ͜ͷAbstractProcessorΫϥεɺAndroid Application΍ Android LibraryͩͱΫϥεࣗମ͕ଘࡏ͠ͳ͍ͷͰ
 Java LibraryͰಋೖͯ͠Լ͍͞

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2. Annotationͱίʔυੜ੒ ͜ͷAbstractProcessorΫϥεɺAndroid Application΍ Android LibraryͩͱΫϥεࣗମ͕ଘࡏ͠ͳ͍ͷͰ
 Java LibraryͰಋೖͯ͠Լ͍͞

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Google / AutoService 2. Annotationͱίʔυੜ੒ https://github.com/google/auto/tree/master/service

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ProcessorΫϥεʹରͯ͠@AutoServiceΞϊςʔγϣϯ Λ෇༩͢Δ͜ͱͰϏϧυ࣌ʹࣗಈతʹProcessingͤ͞ Δ͜ͱ͕ՄೳͰ͢ 2. Annotationͱίʔυੜ੒

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ίʔυੜ੒Λߦ͏ʹ͸ɺProcessorΫϥεͰऔಘͰ͖Δ processingEnvม਺͔ΒwriterΫϥεΛऔಘͯ͠ιʔε ίʔυͷ಺༰Λྲྀ͠ࠐΈ·͢ 2. Annotationͱίʔυੜ੒

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2. Annotationͱίʔυੜ੒ process()ϝιουͰ౉͞ΕΔRoundEnvironmentҾ਺Λ ࢖͏ͱɺAnnotationΛ෇༩͞Εͨର৅ΛElementͱ͍͏ ୯ҐͰऔಘ͢Δ͜ͱ͕ग़དྷ·͢ɻ
 ElementΫϥε͔Β͸ܕ΍ύοέʔδ໊ɺΫϥε໊ͳͲ ιʔείʔυʹؔΘΔ΋ͷ͸͍͍ͩͨऔಘͰ͖·͢ MyAnnotation͕෇༩͞ΕͨҰཡͷऔಘྫ

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2. Annotationͱίʔυੜ੒ Q. Ͳ͏΍ͬͯίʔυॻ͘ͷʁ

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2. Annotationͱίʔυੜ੒ A. JavaPoetΛ࢖͏ͷ͕ ͓͢͢Ίʂ

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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Square / JavaPoet 3. JavaPoetͱKotlinPoet https://github.com/square/javapoet

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Square / KotlinPoet 3. JavaPoetͱKotlinPoet https://github.com/square/kotlinpoet

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3. JavaPoetͱKotlinPoet ͲͪΒ΋Javaݴޠ࢓༷Ͱ͸αϙʔτ͞Ε͍ͯͳ͍ Java(Kotlin)ιʔείʔυΛಈతʹੜ੒͢ΔͨΊͷϥΠϒ ϥϦɻ • JavaPoet • Javaίʔυੜ੒ → Java&Kotlin݉༻ • KotlinPoet • Kotlinίʔυੜ੒ → Kotlinʢ͕ϏϧυͰ͖Δ؀ڥʣ ઐ༻

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3. JavaPoetͱKotlinPoet ࡞੒͍ͨ͠Ϋϥε໊΍ύοέʔδΛTypeSpecΫϥε΁ ࢦఆ͢Δ͜ͱͰιʔείʔυΛੜ੒Ͱ͖·͢ ·ͨɺwriteToϝιου΁processingEnv.getFiler()ΛҾ ਺ͱͯ͠ࢦఆ͢Δ͜ͱͰίϯύΠϧର৅ͱؚͯ͠ΊΔ ͜ͱ͕ՄೳͰ͢

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3. JavaPoetͱKotlinPoet TypeSpecʹ͸ιʔείʔυΛಈతʹ
 هड़͢ΔͨΊʹ༷ʑͳ৘ใΛࢦఆͰ͖·͢

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3. JavaPoetͱKotlinPoet • جఈͱͳΔSuperΫϥεͷࢦఆ • ίϯετϥΫλͷఆٛ • private΍publicͳͲͷम০ࢠͷ෇༩ • ϝιουͷఆٛ • ϑΟʔϧυม਺ɺϩʔΧϧม਺ͷఆٛ • ͦͷଞ೚ҙͷίʔυͷૠೖ TypeSpecʹ͸ιʔείʔυΛಈతʹ
 هड़͢ΔͨΊʹ༷ʑͳ৘ใΛࢦఆͰ͖·͢

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ • Android Frameworkͷݹ͍API͸ಛʹࣗಈԽͷ༨஍͕ ͋Δͱࢥ͍·͢ • ଞʹ΋ۀ຿্ɺಛ༗ͷ͓·͡ͳ͍తͳίʔυΛॻ͔ͳ ͚Ε͹ͳΒͳ͍৔߹ʹ΋ޮՌΛൃش͢ΔͱࢥΘΕ·͢

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ • Android Frameworkͷݹ͍API͸ಛʹࣗಈԽͷ༨஍͕ ͋Δͱࢥ͍·͢ • ଞʹ΋ۀ຿্ɺಛ༗ͷ͓·͡ͳ͍తͳίʔυΛॻ͔ͳ ͚Ε͹ͳΒͳ͍৔߹ʹ΋ޮՌΛൃش͢ΔͱࢥΘΕ·͢ Orma Realm IcePick Permissions Dispatcher Android Annotations Dagger ButterKnife

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ၟӽͳ͕Β
 ࢲ͕ࣗ࡞ͨ͠ϥΠϒϥϦΛ
 ྫʹͯ͠Έ·͢ 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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ྫ1 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ SharedPreferences͸Key-ValueͰอଘ͢ΔͨΊɺΞϓϦ ͝ͱʹ࢖͍΍͘͢ϥοϓͨ͠ΫϥεΛॻ͘͜ͱ͕Α͋͘ Δͱࢥ͍·͢ɻ

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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อଘ͍ͨ͠ର৅͑͞
 Θ͔Ε͹ࣗಈతʹ૊Ίͦ͏ 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ KazaKago / Preferhythm https://github.com/KazaKago/Preferhythm

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ ϥούʔΫϥεΛҎԼͷίʔυ͔Βੜ੒Ͱ͖ΔΑ͏ʹʂ

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 7ߦˠ65ߦ Key໊΍
 ϝιου໊ͳͲ
 typo͠΍͍͢
 ෦෼Λࣗಈੜ੒

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ ☺

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ྫ2 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ AndroidͰը໘ؒͰ஋Λ౉͢৔߹ɺKey-ValueͰ౉͢ͷͰ ؅ཧ͕൥ࡶ͔ͭtypoͷཁҼʹͳΓ΍͍͢෦෼Ͱ͢

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ ܕͱϑΟʔϧυ໊͑͞
 Θ͔Ε͹Bundleʹ٧ΊΔͷ͸
 ػցతʹ૊ΊΔΑͶ

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ KazaKago / Factolize https://github.com/KazaKago/Factolize

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ ౉͞ΕΔଆͷActivityͱม਺ʹAnnotationΛ͚͓ͭͯ͘ ͜ͱͰProcessor͕൑அͰ͖ΔΑ͏ʹ͠·͢

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ AnnotationΛݩʹϑΝΫτϦʔϝιουΛࣗಈੜ੒ͯ͠ɺ
 ద੾ʹBundle΁٧ΊͯऔΓग़͢࢓૊ΈΛ࣮ݱ͍ͯ͠·͢ ࣗಈੜ੒Ϋϥε

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ Activity΁෇༩ͨ͠
 2ՕॴͷAnnotation →

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ Activity΁෇༩ͨ͠
 2ՕॴͷAnnotation → 38ߦͷΫϥε

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ ☺

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ AndroidϓϩδΣΫτ্Ͱ
 ࣮૷͢Δʹ͋ͨͬͯ

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ AbstractProcessor͸Java Libraryʹ͔͠ଘࡏ͠ͳ͍ͷ ͰɺAndroidϓϩδΣΫτͰAnnotation ProcessingΛ࢖ ͏৔߹ɺϞδϡʔϧΛ͋Δఔ౓ࡉ͔͘෼͚ͨ΄͏͕औΓ ճ͠΍͍͢Ͱ͢

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ Android LibraryϞδϡʔϧɺProcessor࣮૷Ϟδϡʔ ϧɺAnnotationఆٛϞδϡʔϧͷ3૚ߏ੒ΛΑ͘ݟ·͢

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4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ Application Module Processor Module Library Module Annotation Module ΞϓϦ ϥΠϒϥϦ Java Library Android Library Java Library annotationProcessor (kapt) implementation implementation api Android Application

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ Kotlin Java ϓϩύςΟ ϑΟʔϧυ GetterΛ࢖ͬͯऔಘ ϑΟʔϧυʹ௚઀ΞΫηε AnnotationΛ෇༩͢Δର৅͕Java͔Kotlin͔ʹΑͬͯɺ
 ΞΫηοαʔͷํ๏͕ҟͳΔ৔߹͕͋Δ͜ͱʹ஫ҙͰ͢

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5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ Processor܅ Javaιʔείʔυ Kotlinιʔείʔυ ʁ JavaͱKotlinͷΞΫηοαʔͷҧ͍ʹΑͬͯɺϑΟʔϧ υͷ஋ΛऔಘͰ͖ͳ͍͜ͱ͕͋ΔͷͰProcessorΫϥε ͰKotlinΛߟྀ͢Δඞཁ͕͋Γ·͢

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5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ • ରࡦ1. ϦϑϨΫγϣϯͰΞΫηε͢ΔίʔυΛੜ੒͢ Δ • ϝϦοτɿJava͔Kotlin͔Λ΄΅ҙࣝͤͣ࢖͏͜ͱ͕ Ͱ͖Δ • σϝϦοτɿ࣮ߦ଎౓͕஗͘ɺProguard౳Λ༻͍ͨ ೉ಡԽΛߦ͏ͱ৔߹ʹΑͬͯ͸আ֎ઃఆ͕ඞཁʹͳ Δ

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5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ • ରࡦ2. ʢඞཁʹԠͯ͡ʣGetterΛܦ༝͢Δ • ϝϦοτɿϦϑϨΫγϣϯͷσϝϦοτ͕ൃੜ͠ͳ ͍ • σϝϦοτɿΞΫηε͢ΔϑΟʔϧυม਺΍ϝιο υΛprivateʹͰ͖ͳ͍ɻΧελϚΠζ͞Εͨ GetterɺSetter͕ࣗ࡞͞Ε͍ͯͨ৔߹ͦΕΛࢀর͠ ͯ͠·͏

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5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ • ଞʹ΋Kotlinಛ༗ͷڍಈ͕Өڹ͢Δ͜ͱ΋͋ΔͨΊඞͣ JavaͱKotlinͰಈ࡞͢Δ͔֬ೝ͢Δ͜ͱΛ͓͢͢Ί͠· ͢ • Java΍KotlinͷݴޠόʔδϣϯʹΑͬͯ΋ɺαϙʔτ͠ ͍ͯͳ͍ίʔυΛੜ੒ͯ͠΋౰વಈ࡞ͤ͞Δ͜ͱ͕ग़ དྷͳ͍ͷͰ஫ҙͯ͠ωˑ

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺

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໨࣍ 1. Annotation Processingͬͯʁ 2. Annotationͱίʔυੜ੒ 3. JavaPoetͱKotlinPoet 4. Android։ൃʹ͓͍ͯͲͷΑ͏ʹ׆༻Ͱ͖Δͷ͔ 5. Kotlin͔Β࢖͏৔߹ͷ஫ҙ఺ ·ͱΊ

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·ͱΊ Don't Repeat Yourself, Generate Your Code!

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αϯϓϧίʔυ https://github.com/KazaKago/AnnotationProcessingSample Annotation ProcessingΛ༻͍ͯ
 τʔετΛදࣔ͢ΔαϯϓϧͰ͢

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࠷ޙʹ גࣜձࣾIGNISͰ͸ΤϯδχΞΛେืू͍ͯ͠·͢ʂ https://recruit.1923.co.jp/

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࠷ޙʹ גࣜձࣾIGNISͰ͸ΤϯδχΞΛେืू͍ͯ͠·͢ʂ https://recruit.1923.co.jp/

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࠷ޙʹ ͋Γ͕ͱ͏͍͟͝·ͨ͠ https://github.com/KazaKago/AnnotationProcessingSample αϯϓϧίʔυ https://github.com/KazaKago/Preferhythm Preferhythm Factolize https://github.com/KazaKago/Factolize