Jetpack Composeでアプリを開発して遭遇した問題

2022/02/22
Mobile勉強会 Wantedly × チームラボ #4
https://connpass.com/event/237606/

Transcript

1. 
   .PCJMFษڧձ8BOUFEMZYνʔϜϥϘ
   ,B[VLJ8BUBOBCF
   +FUQBDL$PNQPTFͰΞϓϦΛ
   ։ൃͯ͠ૺ۰ͨ͠໰୊
   

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2. 1SPGJMF
   w ͳ΂
   w 5XJUUFS!/BCF$PUU
   w (JU)VC/6NFSP"OE%FW
   w גࣜձࣾ͸ͯͳ
   w "OESPJEJ04BQQMJDBUJPOFOHJOFFS
   

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3. 'VMM+FUQBDL$PNQPTFͰ։ൃͨ͠ΞϓϦ
   Λࡢ೥ϦϦʔε͠·ͨ͠
   

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4. IUUQTIBUFOBDPSQKQQSFTTSFMFBTFFOUSZ
   

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5. IUUQTEFWFMPQFSIBUFOBTUB
   ff
   DPNFOUSZ
   

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6. ࠓ೔࿩͢͜ͱ
   w +FUQBDL$PNQPTFͰΞϓϦΛ։ൃͯ͠ૺ۰ͨ͠໰୊఺ͱͲ͏ରॲͨ͠ͷ͔
   w ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լ
   w ด͡ΒΕͳ͍%SPQEPXO.FOV
   w άϦου͔͠දࣔͰ͖ͳ͍-B[Z(SJE
   w ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
   

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7. ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿
   Լٙ࿭
   

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8. ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լٙ࿭
   ֓ཁ
   w "OESPJE7JFXͰϨΠΞ΢τͷαΠζΛऔΖ͏ͱ͢Δͱ
   0O(MPCBM-BZPVU-JTUFOFSͷλΠϛϯάͰऔΔͱ͍͏ํ๏͕͋Δ
   w $PNQPTFͰ΋.PEJ
   fi
   FSPO4J[F$IBOHFEͰಉ͡Α͏ͳ͜ͱ͕Ͱ͖Δ
   w "OESPJE7JFXͱಉ͡Α͏ͳ࣮૷Λ͢ΔͱඞཁҎ্ʹ3FDPNQPTF͞ΕΔΑ
   ͏ʹͳͬͨ
   w ໨ʹݟ͑ͯύϑΥʔϚϯε͕མ͍ͪͯͨΘ͚Ͱ͸ͳ͍
   

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9. ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լٙ࿭
   ֓ཁ
   

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10. ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լٙ࿭
    ݪҼ
    w $PNQPTJUJPOˠ-BZPVUˠ%SBXJOHͱ͍ͬͨྲྀΕͰ$PNQPTF͸ϨΠΞ΢τ
    ͞ΕΔ
    w .PEJ
    fi
    FSPO4J[F$IBOHFEͰ஋Λड͚औΔͷ͸-BZPVUͷλΠϛϯάͰɺड
    ͚औͬͨ஋Λผͷ$PNQPTBCMFʹ౉͢ͱ%SBXJOH͕͞Εͨޙʹ
    3FDPNQPTF͞Εͯ$PNQPTJUJPO͔Β࠶ϨΠΞ΢τ͞ΕΔ
    w ͜Ε͕ෳ਺ͷՕॴͰ࣮૷͞Ε͍ͯͨΓར༻͞Ε͍ͯΔͱύϑΥʔϚϯεͷ௿
    Լʹͭͳ͕Δ
    

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11. ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լٙ࿭
    ରॲ
    w ࣗ਎΍਌ϨΠΞ΢τͷαΠζΛऔΔ͚ͩͳΒ#PY8JUI$POTUSBJOUΛ࢖͏
    w ϨΠΞ΢τͷαΠζ͕ඞཁʹͳΔෳࡶͳϨΠΞ΢τͷ৔߹͸ΧελϜϨΠΞ
    ΢τΛ࡞Δ
    

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12. ด͡ΒΕͳ͍%SPQEPXO.FOV
    

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13. ด͡ΒΕͳ͍%SPQEPXO.FOV
    ֓ཁ
    w -JHIU5IFNF%BSL5IFNFͷ੾Γସ͑Λ%SPQEPXO.FOVͷ
    $PNQPTBCMFΛ࢖࣮ͬͯ૷ͨ͠
    w ςʔϚ͕੾ΓସΘΔͱ%SPQEPXO.FOV͕࢒Γଓ͚ͨ
    

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14. ด͡ΒΕͳ͍%SPQEPXO.FOV
    ֓ཁ
    

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15. ด͡ΒΕͳ͍%SPQEPXO.FOV
    ݪҼ
    w $PNQPTFͷ%SPQEPXO.FOV͸಺෦Ͱ8JOEPXʹ7JFXΛஔ͍ͯද͍ࣔͤͯ͞Δ
    w %SPQEPXO.FOV͕ด͡ΒΕΔ࣌͸8JOEPX͔Β7JFXΛऔΓআ͘ॲཧΛݺΜͰ͍
    Δ
    w ͜͜ͰςʔϚ੾Γସ͑࣌ʹ͸SFDSFBUF͕಺෦ͰߦΘΕΔ
    w 8JOEPX͔Β7JFXΛऔΓআ͘ॲཧ͕ऴΘΔલʹSFDSFBUF͕ߦΘΕͯ
    %SPQEPXO.FOV͕࢒ͬͯ͠·͏
    w %SPQEPXO.FOVͷঢ়ଶͰ͋ΔFYQBOEFE͸GBMTF͕ͩ಺෦ॲཧ໋͕ྩతͰ͋Δ
    ͨΊζϨ͕ى͖Δ
    

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16. ด͡ΒΕͳ͍%SPQEPXO.FOV
    ରॲ
    w ςʔϚ੾Γସ͑ͷॲཧͷલʹEFMBZΛೖΕͯ%SPQEPXO.FOV͕ด͡ΒΕͯ
    ͍ΔͰ͋Ζ͏λΠϛϯάͰSFDSFBUF͕ߦΘΕΔΑ͏λΠϛϯάΛ஗Βͤ·͠
    ͨ
    

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17. άϦου͔͠දࣔͰ͖ͳ͍-B[Z(SJE
    

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18. άϦου͔͠දࣔͰ͖ͳ͍-B[Z(SJE
    ରॲ
    w -B[Z7FSUJDBM(SJE-B[Z)PSJ[POUBM(SJEͰ͸ΞΠςϜͷ4QBO͕ઃఆͰ͖ͳ
    ͍
    w άϦουͷؒʹԣ෯͍ͬͺ͍ͷηΫγϣϯΛදࣔͰ͖ͳ͍
    

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19. άϦου͔͠දࣔͰ͖ͳ͍-B[Z(SJE
    ରॲ
    w -B[Z$PMVNO-B[Z3PXͷΞΠςϜͷϨΠΞ΢τΛ޻෉ͯ͠ηΫγϣϯͱά
    ϦουΛࠞͥͯදࣔͰ͖ΔΑ͏ʹͨ͠
    w BMQIBͰ(SJE4QBO*UFN͕௥Ճ͞Εͯ4QBOͷઃఆ͕Ͱ͖ΔΑ͏ʹ
    ͳͬͨ
    w BMQIB࣌఺Ͱ͸ࢥͬͨΑ͏ʹ4QBOͷڍಈ͕ಈ͍ͯ͘Εͳ͍ͷͰࠓޙʹ
    ظ଴
    

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20. ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
    

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21. ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
    ֓ཁ
    w "DDPNQBOJTU1BHFSͰ಺෦࣮૷͕ΧελϜϨΠΞ΢τ͔Β
    -B[Z$PMVNO-B[Z3PXʹมΘͬͨ
    w ͦͷӨڹͰ"1*΋େ͖͘มΘͬͨ
    w P
    ff
    TFUɺFOBCMF%SBHɺແݶϧʔϓͷ"1*࡟আ
    w Ҡߦޙͷແݶϧʔϓ1BHFSͷ࣮૷Ͱ͸5BCͷΠϯδέʔλͷ࿈ܞ͕Ͱ͖ͳ
    ͍
    

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22. ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
    ରॲ
    w P
    ff
    TFUͷ஋Λݩʑେ͖͘ઃఆ͍ͯͨ͠Θ͚Ͱ͸ͳ͍ͷͰɺ-B[ZܥͷڍಈͰ΋େ͖ͳ͕ࠩͳ͔ͬͨ
    w FOBCMF%SBHͷ୅ΘΓʹ-B[ZܥͷεΫϩʔϧྔΛʹ͢Δ.PEJ
    fi
    FSΛ࣮૷ͯͦ͠ΕΛར༻ͨ͠
    w Ͱ-B[ZܥʹVTFS4DSPMM&OBCMFEͷΦϓγϣϯ͕૿͑ͨͷͰ͜Ε͕1BHFSͰ΋࢖͑Δ
    Α͏ʹͳΔ͔΋
    

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23. ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
    ରॲ
    w ແݶϧʔϓ͸1BHFSͷαϯϓϧίʔυΛࢀߟʹ࣮૷
    w 5BCͷΠϯδέʔλΛແݶϧʔϓͰ΋࢖͑ΔΑ͏ʹίʔυΛ࣮૷
    w ͦ͏͢ΔͱΠϯδέʔλͷΞχϝʔγϣϯ͕࢖͑ͳ͍໰୊͕ग़ͯ͘ΔͷͰ࣍ͷ
    ͲͪΒ͔Ͱճආ͢Δඞཁ͕͋ͬͨ
    w ແݶϧʔϓΛ΍Ίͯ5BCͷΠϯδέʔλͷΞχϝʔγϣϯΛ࢒͢
    w 5BCͷΠϯδέʔλͷΞχϝʔγϣϯΛఘΊͯແݶϧʔϓΛ࢒͢
    w νʔϜͰ࿩͠߹ͬͯޙऀͰҠߦΛਐΊͨ
    

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24. ·ͱΊ
    w ৽͍ٕ͠ज़ͱ͍͏͜ͱ΋͋Γɺෆ଍͍ͯ͠Δػೳ΍େ͖ͳ"1*ͷมߋ͸Α͘
    ͋ͬͨ
    w ৭ʑ໰୊ʹૺ۰͸ͨ͠΋ͷͷ+FUQBDL$PNQPTFΛ༻͍ͨ։ൃ͸շద
    w +FUQBDL$PNQPTFͷॊೈͳ"1*ͱએݴత6*ͱ͍͏ঢ়ଶ؅ཧ͔Βͷղ์
    

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25. એ఻
    w ͸ͯͳͰ͸J04"OESPJEΞϓϦΤϯδχΞΛ࠾༻͍ͯ͠·͢ʂ
    w ΧδϡΞϧͳ໘ஊ΋Ͱ͖ΔͷͰͥͻؾܰʹ͓੠͕͚͍ͩ͘͞ʂ
    https://open.talentio.com/r/1/c/hatena/pages/28838
    

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26. ࢀߟ
    w ϨΠΞ΢ταΠζऔಘͰύϑΥʔϚϯε௿Լٙ࿭
    w IUUQTEFWFMPQFSBOESPJEDPNKFUQBDLDPNQPTFQIBTFTSFDPNQ
    MPPQ
    w άϦου͔͠දࣔͰ͖ͳ͍-B[Z(SJE
    w IUUQTBOESPJESFWJFXHPPHMFTPVSDFDPNDQMBUGPSNGSBNFXPSLT
    TVQQPSU
    w ߋ৽Ͱ͖ͳ͍"DDPNQBOJTU1BHFS
    w IUUQTHJUIVCDPNHPPHMFBDDPNQBOJTU
    w IUUQTBOESPJESFWJFXHPPHMFTPVSDFDPNDQMBUGPSNGSBNFXPSLT
    TVQQPSU
    

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27. 5IBOLZPV
    

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