既存プロダクトのKotlin移行でハマったところ

by nakamuuu

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طଘϓϩμΫτͷ,PUMJOҠߦͰ ϋϚͬͨͱ͜Ζ

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Fablic, inc. Android Application Developer தଜܙଠ @nakamuuu @chicken_111 2 ࣗݾ঺հ

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ྦྷܭ ສ μ΢ϯϩʔυ ಥഁʂ 3 ϑϦϚΞϓϦʮϑϦϧʯʹ͍ͭͯ

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ʮϑϦϧʯ΁ͷ,PUMJOͷಋೖ 4

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5 ʮϑϦϧʯ΁ͷ,PUMJOಋೖ w΋ͱ΋ͱςετίʔυͷҰ෦Ͱ,PUMJOΛ࢖༻ wࠓ೥݄ͷެࣜαϙʔτͷΞφ΢ϯεΛػʹɹɹɹ ϓϩμΫγϣϯʹ,PUMJOΛಋೖ։࢝ wத௕ظతʹ͸ϑϧ,PUMJOԽ͍ͨ͠ʜʂ

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6 ʮϑϦϧʯ΁ͷ,PUMJOಋೖ ਐḿ͸ʜʁ

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7 ʮϑϦϧʯ΁ͷ,PUMJOಋೖ ྑ͘͸ͳ͍ʜ ʢ+BWB,PUMJOʣ

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,PUMJO΁ͷҠߦ͕ ࢥ͏Α͏ʹਐΜͰ͍ͳ͍ཁҼ 8

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9 ,PUMJO΁ͷҠߦ͕ਐΜͰ͍ͳ͍ཁҼ ᶃ ,PUMJOʹର͢Δޡͬͨೝࣝ

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10 ᶃ,PUMJOʹର͢Δޡͬͨೝࣝ ʰίʔυͷهड़ྔ͕ݮΔʹଈ࠲ʹੜ࢈ੑ্͕͕Δʱ ʁ

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11 ᶃ,PUMJOʹର͢Δޡͬͨೝࣝ ʰཧղ͢΂͖͜ͱɺߟ͑ͳ͚Ε͹ͳΒͳ͍͜ͱ͸ ૬Ԡʹ૿͍͑ͯΔʱ νʔϜͷதͰϕετϓϥΫςΟεΛ ཱ֬͢Δ·Ͱͷֶशͷϓϩηε͕ॏཁ

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12 ᶃ,PUMJOʹର͢Δޡͬͨೝֶࣝशϓϩηεͷॏཁੑ ,PUMJOॿ૸ಡຊͰ͸ʜ ʰֶशͱద༻ͷϑΣʔζʱ +BWBͱ,PUMJOΛࠞࡏͤͭͭ͞ঃʑʹɹ Ҡߦ͢Δͷ͸ʮֶशͷޮ཰͸͍͍͕ɺ ͜ͷΞϓϩʔνΛͱΔͷ͸ةݥʯ ͘͝Ұ෦ͷςετίʔυ΁ͷಋೖͱ͍͏ܗͰͷɹɹ ֶशͷϑΣʔζͷஔ͖ํ͸ෆे෼

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13 ,PUMJO΁ͷҠߦ͕ਐΜͰ͍ͳ͍ཁҼ ᶄ طଘίʔυʹىҼ͢Δ໰୊

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14 ᶄطଘίʔυʹىҼ͢Δ໰୊,PUMJO΁ͷҠߦํ਑ ᶃ ৽نΫϥε͸ݪଇ,PUMJOͰ࡞੒ ᶄ ϑϧ,PUMJOԽΛத௕ظతͳΰʔϧͱ͢Δ ᶅ طଘίʔυͷ,PUMJO΁ͷҠߦ࣌ʹଞͷมߋ͸ɹɹ ۃྗಉ࣌ʹߦΘͳ͍ ϓϩμΫγϣϯ΁ͷ,PUMJOಋೖͷલʹ Ҡߦํ਑Λࡦఆ

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15 ᶄطଘίʔυʹىҼ͢Δ໰୊,PUMJO΁ͷҠߦํ਑ ᶃ ৽نΫϥε͸ݪଇ,PUMJOͰ࡞੒ ᶄ ϑϧ,PUMJOԽΛத௕ظతͳΰʔϧͱ͢Δ ᶅ طଘίʔυͷ,PUMJO΁ͷҠߦ࣌ʹଞͷมߋ͸ɹɹ ۃྗಉ࣌ʹߦΘͳ͍ ϓϩμΫγϣϯ΁ͷ,PUMJOಋೖͷલʹ Ҡߦํ਑Λࡦఆ

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16 ᶄطଘίʔυʹىҼ͢Δ໰୊ʰطଘίʔυͷ,PUMJO΁ͷҠߦ࣌ʹଞͷมߋ͸ۃྗಉ࣌ʹߦΘͳ͍ʱ w ଞͷϦϑΝΫλͱείʔϓΛ෼͚ɺૉૣ͘Ҡߦ׬ྃ͠ +BWBͱ,PUMJO͕ࠞࡏ͢ΔϦεΫΛ࠷খԽ͢ΔͨΊ w ͱ͸͍͑ɺΑ͘ͳ͍΋ͷʹ໨Λᛉͬͯ,PUMJOԽ͢Δͷ͸ ਫ਼ਆతʹ͖͍ͭʜ ʢڧ͍ؾ͕࣋ͪͳ͍ͳΒʣ ݴޠ͕ࠞࡏ͢ΔϦεΫͱطଘίʔυͷ໰୊఺Λɹ ౿·͑ɺʰ੎͍ʱ͚ͩ͡Όͳ͍ҠߦܭըΛʜ

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17 ᶄطଘίʔυʹىҼ͢Δ໰୊/VMMBCJMJUZΛҙࣝͤͣʹॻ͔Εͨطଘίʔυ ,PUMJO΁ͷҠߦΛগ͠Ͱ΋ݕ౼ͨ͠ஈ֊Ͱɹɹɹɹ ΑΓ/VMMBCJMJUZΛҙࣝͯ͠+BWBΛॻ͘Α͏ʹ͢΂͖ w /VMMBCJMJUZΛҙࣝͤͣʹॻ͔Εͨطଘͷ+BWBίʔυ͕ ҠߦͷաఔͰ͔ͳΓअຐ΋ͷʹͳΔ w ϝιουͷ໭Γ஋ɾҾ਺͸/VMMBCJMJUZΛ໌ࣔ͢΂͖ w !/VMMBCMF!/PO/VMM "OOPUBUJPOT4VQQPSU-JCSBSZ w ,PUMJO͔Β࢖༻͢ΔࡍʹɺϓϥοτϑΥʔϜܕ͕OVMMʹͳΓಘ Δ͔ͪ·ͪ·௥͏ͷʹ͔ͳΓ࣌ؒΛऔΒΕΔ

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18 ,PUMJO΁ͷҠߦ͕ਐΜͰ͍ͳ͍ཁҼ ᶅ ਓ͕଍Γͳʜ

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19 ,PUMJO΁ͷҠߦ͕ਐΜͰ͍ͳ͍ཁҼ

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·ͱΊ 20

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21 ·ͱΊ w,PUMJOʹର͢Δޡͬͨೝ͔ࣝΒֶशϓϩηεΛܰࢹ w ʰهड़ྔ͕ݮΔʹଈ࠲ʹੜ࢈ੑ্͕͕Δʱͱ͍͏ޡͬͨઌೖ؍ w νʔϜͷதͰϕετϓϥΫςΟεΛཱ֬͢Δ͜ͱͷॏཁੑ wطଘίʔυʹىҼ͢Δ໰୊ w طଘίʔυͷ՝୊Λ౿·͑ɺ੎͍೚ͤͷҠߦܭըʹ͠ͳ͍ w /VMMBCJMJUZΛҙࣝͤͣʹॻ͔Ε͖ͯͨίʔυ͕ͨͪἝΛണ͘

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ