1年ぶりにやりなおすKotlinアプリ開発

Transcript

1. 1೥ͿΓʹ΍Γͳ͓͢KotlinΞϓϦ։ൃ
   .HSBN*OD
   ๺ݪ࿨໵
   

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2. ࣗݾ঺հ
   w ๺ݪ࿨໵
   w גࣜձࣾNHSBNʢچגࣜձࣾ-JQʣΤϯδχΞ
   w ૑ۀϝϯόʔͷ̍ਓͰ͢ɻ
   w ೥൒લʹϛΫγΟ͔Βస৬͠·ͨ͠ɻ
   w "OESPJEϝΠϯɻ8FCɾJ04ঢ়گʹԠͯ͡։ൃ
   w झຯ͸өըɾອը
   

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3. γϯɾΰδϥͷҠಈܦ࿏Λ஍ਤ্ͰΞχϝʔγϣϯ
   w U
   (&0(3"1)*$0'(0%;*--"
   IUUQHFPHPE[JMMBUL
   

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4. ΤϜάϥϜੑ֨਍அ
   w ໰ͷ࣭໰Ͱੑ֨Λਖ਼֬਍அ
   w ΩϟονʔͳΞ΢τϓοτ
   w ແྉ
   w ϲ݄Ͱສਓͷํ͕਍அ
   

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5. 1೥ͿΓʹ΍Γͳ͓͢KotlinΞϓϦ։ൃ
   

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6. ࿩͢ࣄ
   w ೥ͿΓʹ,PUMJOΛ৮ͬͯࢥͬͨࣄ
   w ,PUMJOͱҰॹʹར༻ՄೳͳϥΠϒϥϦ
   

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7. ೥ͿΓʹ,PUMJOΛ৮ͬͯࢥͬͨࣄ
   

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8. ࢖͑ΔϥΠϒϥϦ͕૿͑ͯΔ
   w "OOPUBUJPOϓϩηοαʔΛར༻͍ͯ͠ΔϥΠϒϥϦ͸࢖
   ͑ͨΓ࢖͑ͳ͔ͬͨΓ͍ͯͨ͠
   w %BHHFS%BUB#JOEJOH΋͏·͘ಈ͔ͳ͔ͬͨΑ͏ʹه
   Ա
   w ৭ΜͳϥΠϒϥϦ͕࢖͑ΔΑ͏ʹͳͬͯΔʂ
   

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9. ,PUMJOͷهࣄ͕૿͑ͯΔ
   w 8FC্Ͱ,PUMJOͷղઆΛͯ͠Δهࣄ͕૿͑ͯͯ͘͢͝ॿ͔
   Γ·ͨ͠ɻ
   w 2JJUBͰ,PUMJOΛݕࡧͯ͠ΈΔͱɺݱࡏ౤ߘఔ͋Γ·͢
   ͕ɺd·Ͱʹͯ͠ΈΔͱ౤ߘ͙Β͍ͩͬͨͷ
   Ͱɺ͜͜೥ͰഒҎ্ʹ૿͍͑ͯ·͢ɻ
   

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10. ΍ͬͺΓ,PUMJO࢖͍΍͍͢
    w FOVN
    w ஗ԆϓϩύςΟ
    w HFUUFSTFUUFS
    w ֦ுؔ਺
    ಛʹ͖͢ͳػೳ
    

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11. FOVN
    (FOEFSLU
    FOVNDMBTT(FOEFS WBMKQ4USJOH
    \

    NBMF உੑ
    

    GFNBMF ঁੑ
    

    PUIFS ͦͷଞ
    

    ^
    w ྻڍܕ
    w ,PUMJOͷFOVN͸؆୯ʹ஋Λ࣋ͨͤΔࣄ͕Ͱ͖ͯศར
    w 'SBHNFOU1BHFS"EBQUFSͷදࣔॱΛFOVNͰ؅ཧͯ͠·͢
    

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12. FOVN
    .BJO1BHFLU
    FOVNDMBTT.BJO1BHF\

    1"(&\

    PWFSSJEFGVOGSBHNFOU
    'SBHNFOU\

    SFUVSO1"(&'SBHNFOUOFX*OTUBODF
    

    ^

    ^ 

    1"(&\

    PWFSSJEFGVOGSBHNFOU
    'SBHNFOU\

    SFUVSO1"(&'SBHNFOUOFX*OTUBODF
    

    ^

    ^

    BCTUSBDUGVOGSBHNFOU
    'SBHNFOU

    ^
    

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13. FOVN
    .BJO1BHFS"EBQUFSLU
    DMBTT.BJO1BHFS"EBQUFS GN'SBHNFOU.BOBHFS
    
    'SBHNFOU4UBUF1BHFS"EBQUFS GN
    \

    PWFSSJEFGVOHFU*UFN QPTJUJPO*OU
    'SBHNFOU \

    SFUVSO.BJO1BHFWBMVFT
    GSBHNFOU
    

    ^

    PWFSSJEFGVOHFU$PVOU
    *OU\

    SFUVSO.BJO1BHFWBMVFT
    TJ[F

    ^

    PWFSSJEFGVOHFU1BHF5JUMF QPTJUJPO*OU
    $IBS4FRVFODF\

    SFUVSO.BJO1BHFWBMVFT
    TDSFFO/BNF
    

    ^

    ^
    

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14. ஗ԆϓϩύςΟ
    WBMHSBNCZMB[Z\lNHSBNz^
    w ͸͡ΊͯΞΫηε͞Εͨͱ͖ʹܭࢉ͞ΕΔϓϩύςΟ
    w ฐࣾͰ͸ɺ'SBHNFOUʹ஋౉͢ͱ͖ʹ1BSDFMBSͱ߹Θͤͯ
    ࢖ͬͯ·͢ɻ
    

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15. ஗ԆϓϩύςΟ
    'SBHNFOUͰͷར༻ྫ
    DPNQBOJPOPCKFDU\

    GVOOFX*OTUBODF VTFS6TFS
    6TFS%JBMPH'SBHNFOU\

    WBMBSHT#VOEMF
    BQQMZ\

    QVU1BSDFMBCMF 4FSJBMJ[F,FZ64&3OBNF 1BSDFMTXSBQ VTFS
    
    

    ^

    SFUVSO6TFS%JBMPH'SBHNFOU
    BQQMZ\
    BSHVNFOUTBSHT
    ^

    ^

    ^
    

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16. ஗ԆϓϩύςΟ
    ஗ԆϓϩύςΟͰWBMʹͰ͖Δ
    QSJWBUFWBMVTFS6TFSCZMB[Z\
    1BSDFMTVOXSBQ6TFS
    BSHVNFOUTHFU1BSDFMBCMF 4FSJBMJ[F,FZ64&3OBNF
    
    
    

    ^
    ஗ԆϓϩύςΟΛར༻͠ͳ͍৔߹
    QSJWBUFMBUFJOJUWBSVTFS6TFS
    PWFSSJEFGVOPO$SFBUF TBWFE*OTUBODF4UBUF#VOEMF
    \

    TVQFSPO$SFBUF TBWFE*OTUBODF4UBUF
    

    VTFS1BSDFMTVOXSBQ6TFS
    BSHVNFOUTHFU1BSDFMBCMF 4FSJBMJ[F,FZ64&3OBNF
    
    
    

    ^
    

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17. HFUUFSTFUUFS
    w ,PUMJOͰ͸HFUUFSTFUUFSͷఆָ͕ٛ͘͢͝Ͱ͢ɻ
    w ฐࣾͰ͸ɺ%BUBCJOEJOHʹ౉͢0CTFSWBCMFͳ.PEFM
    7JFX.PEFMΛ࡞੒͢ΔࡍʹΑ͘࢖͍ͬͯ·͢ɻ
    

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18. HFUUFSTFUUFS
    7JFX.PEFM
    DMBTT6TFS7JFX.PEFM
    #BTF0CTFSWBCMF
    \

    !#JOEBCMF

    WBSNBJM4USJOH

    TFU NBJM
    \

    pFMENBJM

    OPUJGZ1SPQFSUZ$IBOHFE #3NBJM
    

    OPUJGZ1SPQFSUZ$IBOHFE #3WBMJE
    

    ^

    !HFU#JOEBCMF

    WBSWBMJE#PPMFBOGBMTF

    HFU
    \

    JG UIJTNBJMJT/VMM0S&NQUZ
    
    SFUVSOGBMTF

    WBMNBUDIFS1BUUFSOT&."*-@"%%3&44NBUDIFS UIJTNBJM
    

    SFUVSONBUDIFSNBUDIFT
    

    ^

    ^
    

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19. ֦ுؔ਺
    w طଘͷΫϥεʹରͯ͠ޙ͔ΒϝιουΛ௥Ճ͢Δࣄ͕Ͱ͖
    Δػೳ
    w #JOEJOH"EBQUFSΛ௥Ճ͢Δͱ͖ʹΑ͘࢖ͬͯ·͢ɻ
    

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20. ֦ுؔ਺ར༻͠ͳ͍৔߹
    1JDBTTPͷMPBE*NBHF
    PCKFDU*NBHF7JFX#JOEJOH"EBQUFS\
    !#JOEJOH"EBQUFS CJOEJNBHF6SM
    
    !+WN4UBUJD
    GVOMPBE*NBHF WJFX*NBHF7JFX VSM4USJOH
    \
    1JDBTTPXJUI WJFXDPOUFYU
    

    MPBE JNBHF6SM
    

    JOUP WJFX
    
    ^
    ^
    

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21. ֦ுؔ਺ར༻ͨ͠৔߹
    1JDBTTPͷMPBE*NBHF
    !#JOEJOH"EBQUFS CJOEJNBHF6SM
    

    GVO*NBHF7JFXMPBE*NBHF JNBHF6SM4USJOH
    \

    1JDBTTPXJUI UIJTDPOUFYU
    

    MPBE JNBHF6SM
    

    JOUP UIJT
    

    ^
    

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22. ඍົͩͬͨॴɿMJOU
    w ೥લMJOUͷ݁Ռ͕͍·͍ͪͩͬͨ
    w ,PUMJO͔Βࢀর͞Ε͍ͯΔSFTPVSDF΋6OVTFE3FTPVSDFͷ
    XBSOJOH͕ग़Δࣄ౳
    w मਖ਼͞Ε͍ͯΔࣄΛظ଴ͯ͠·͕ͨ͠ɺΫϥεʹΑͬͯXBSOJOH
    ग़ͨΓग़ͳ͔ͬͨΓͯͯ͠·ͩ࢖͑ͳ͍໛༷Ͱ͢ɻ
    

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23. ,PUMJOͱҰॹʹར༻ՄೳͳϥΠϒϥϦ
    

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24. ௨৴ɾඇಉظॲཧपΓ
    w 3FUSPpU
    w 0L)UUQ
    w 3Y+BWB
    
    

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25. ௨৴ɾඇಉظॲཧपΓ
    .BJO"DUJWJUZ7JFX.PEFMLU
    UIJTDMJFOUHFU"DDPVOU
    

    CJOE5P-JGFDZDMF BDUJWJUZ
    

    TVCTDSJCF0O 4DIFEVMFSTOFX5ISFBE
    
    

    PCTFSWF0O "OESPJE4DIFEVMFSTNBJO5ISFBE
    
    

    TVCTDSJCF \TVDDFTT

    %PTPNFUIJOH

    ^ \GBJMVSF
    %PTPNFUIJOH

    ^
    
    "QJLU
    JOUFSGBDF"QJ\

    !(&5 BDDPVOU
    

    GVOHFU"DDPVOU
    0CTFSWBCMF"DDPVOU
    ^
    
    

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26. 1BSDFMFS
    6TFS1SPpMFLU
    !1BSDFM

    EBUBDMBTT6TFS1SPpMF!1BSDFM$POTUSVDUPS
    DPOTUSVDUPS 

    !1BSDFM1SPQFSUZ JDPO
    WBMJDPO4USJOH 

    !1BSDFM1SPQFSUZ OBNF
    WBMOBNF4USJOH

    
    \

    ^
    w 1BSDFMBCMFͷ࣮૷Λָʹ͢ΔϥΠϒϥϦ
    
    

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27. 1BSDFMFS
    6TFS'SBHNFOULU
    1BSDFMTVOXSBQ6TFS1SPpMF
    BSHVNFOUTHFU1BSDFMBCMF 4FSJBMJ[F,FZ64&3@130'*-&OBNF
    
    
    
    6TFS'SBHNFOULU
    WBMBSHT#VOEMF
    BQQMZ\

    QVU1BSDFMBCMF
    4FSJBMJ[F,FZ64&3@1SPpMFOBNF
    1BSDFMTXSBQ VTFS1SPpMF
    
    
    

    ^
    
    

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28. (40/
    6TFS1SPpMFLU
    EBUBDMBTT6TFS1SPpMF 

    !4FSJBMJ[FE/BNF JDPO
    WBMJDPO4USJOH 

    !4FSJBMJ[FE/BNF OBNF
    WBMOBNF4USJOH

    
    \

    ^
    w KTPOͷύʔεΛࣗಈԽ͢ΔϥΠϒϥϦ
    w ฐࣾͰ͸QSPHVBSEରԠʹ͸ΞϊςʔγϣϯΛར༻ͯ͠ର
    Ԡ͍ͯ͠·͢ɻ
    
    

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29. %BSU
    w *OUFOUʹσʔλΛ౉͢ͷΛָʹ͢ΔϥΠϒϥϦ
    w ,&:ͷࢦఆ౳͕ෆཁʹͳΔ
    
    

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30. %BSU
    6TFS"DUJWJUZLU
    DMBTT6TFS"DUJWJUZ"QQ$PNQBU"DUJWJUZ
    \

    !*OKFDU&YUSB

    MBUFJOJUWBSVTFS6TFS

    PWFSSJEFGVOPO$SFBUF TBWFE*OTUBODF4UBUF#VOEMF
    \

    TVQFSPO$SFBUF TBWFE*OTUBODF4UBUF
    

    %BSUJOKFDU UIJT
    

    ^

    DPNQBOJPOPCKFDU\

    GVODSFBUF*OUFOU DPOUFYU$POUFYU VTFS6TFS
    *OUFOU\

    SFUVSO)FOTPOXJUI DPOUFYU
    

    HPUP6TFS"DUJWJUZ
    

    VTFS VTFS
    

    CVJME
    

    ^

    ^

    ^
    
    

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31. %BSUΛ'SBHNFOUͰར༻͢Δʁ
    6TFS'SBHNFOULU
    HFU*OUFOU
    QVU&YUSBT )FOTPOXJUI UIJT
    
    HPUP.Z'SBHNFOU
    
    BSH BSH
    
    CVJME
    
    
    HFU4VQQPSU'SBHNFOU.BOBHFS
    
    CFHJO5SBOTBDUJPO
    
    SFQMBDF 3JEDPOUBJOFS OFX.Z'SBHNFOU
    
    
    DPNNJU
    
    w IUUQTHJUIVCDPNGQSBUFFLEBSUJTTVFTʮ୭͔པΉʯ
    w ࡌ͍ͬͯΔํ๏΋ඍົͳͷͰɺ'SBHNFOUͰ͸ར༻͍ͯ͠·ͤΜɻ
    
    

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32. BOESPJETUBUF
    w *DF1JDLͷ,PUMJOରԠ൛ʢFWFSOPUF͕։ൃʣ
    w PO4BWF*OTUBODF4UBUFͷॲཧΛࣗಈԽͯ͘͠ΕΔ
    w IUUQTHJUIVCDPNFWFSOPUFBOESPJETUBUF
    
    

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33. BOESPJETUBUF
    .BJO"DUJWJUZLU
    PWFSSJEFGVOPO$SFBUF TBWFE*OTUBODF4UBUF#VOEMF
    \

    TVQFSPO$SFBUF TBWFE*OTUBODF4UBUF
    

    4UBUF4BWFSSFTUPSF*OTUBODF4UBUF UIJT TBWFE*OTUBODF4UBUF
    
    ^
    .BJO"DUJWJUZLU
    !4UBUF

    WBSOBNF4USJOH OVMM
    
    

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34. ·ͱΊ
    w ೥ͿΓʹ,PUMJOΛ࢖ͬͯΈͨΒ࢖͑ΔϥΠϒϥϦ͕͢͝
    ͘૿͑ͯͯศརͩͬͨ
    w ,PUMJOͷجຊػೳ͸૬มΘΒͣૉఢ
    w ͜Ε͔Βͷ։ൃ͸,PUMJOͰ࢝ΊΔͷ͕ྑͦ͞͏
    ೥ͿΓʹ࢖ͬͨΒ΍ͬͺΓ,PUMJO͸ྑ͔ͬͨ
    

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35. גࣜձࣾNHSBN͸ΤϯδχΞੵۃ࠾༻தͰ͢ɻ
    ਓ໨ͷΤϯδχΞΛ୳͍ͯ͠·͢ʂ
    ΤϯδχΞਓͰ͕Μ͹͍ͬͯ·͢ɻ
    ৽͍͠΋ͷେ޷͖
    ࠊ͕ॏ͍
    

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