1年ぶりにやりなおすKotlinアプリ開発

Transcript

1. 1೥ͿΓʹ΍Γͳ͓͢KotlinΞϓϦ։ൃ .HSBN
   *OD
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2. ࣗݾ঺հ w ๺ݪ࿨໵
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   w ૑ۀϝϯόʔͷ̍ਓͰ͢ɻ
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   w ΩϟονʔͳΞ΢τϓοτ
   w ແྉ
   w ϲ݄Ͱສਓͷํ͕਍அ
5. 1೥ͿΓʹ΍Γͳ͓͢KotlinΞϓϦ։ൃ
6. ࿩͢ࣄ w ೥ͿΓʹ,PUMJOΛ৮ͬͯࢥͬͨࣄ
   w ,PUMJOͱҰॹʹར༻ՄೳͳϥΠϒϥϦ
7. ೥ͿΓʹ,PUMJOΛ৮ͬͯࢥͬͨࣄ
8. ࢖͑ΔϥΠϒϥϦ͕૿͑ͯΔ w "OOPUBUJPO
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   w ৭ΜͳϥΠϒϥϦ͕࢖͑ΔΑ͏ʹͳͬͯΔʂ
9. ,PUMJOͷهࣄ͕૿͑ͯΔ w 8FC্Ͱ,PUMJOͷղઆΛͯ͠Δهࣄ͕૿͑ͯͯ͘͢͝ॿ͔ Γ·ͨ͠ɻ
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12. FOVN .BJO1BHFLU FOVN
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 ^
13. FOVN .BJO1BHFS"EBQUFSLU DMBTT
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    ^
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14. ஗ԆϓϩύςΟ WBM
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    w ฐࣾͰ͸ɺ'SBHNFOUʹ஋౉͢ͱ͖ʹ1BSDFMBSͱ߹Θͤͯ ࢖ͬͯ·͢ɻ
15. ஗ԆϓϩύςΟ 'SBHNFOUͰͷར༻ྫ DPNQBOJPO
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16. ஗ԆϓϩύςΟ ஗ԆϓϩύςΟͰWBMʹͰ͖Δ QSJWBUF
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 ^ ஗ԆϓϩύςΟΛར༻͠ͳ͍৔߹ QSJWBUF
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    TVQFSPO$SFBUF TBWFE*OTUBODF4UBUF 

    
    
    
    VTFS
    
    1BSDFMTVOXSBQ6TFS
    
    
    
    
    
    
    
    
    BSHVNFOUTHFU1BSDFMBCMF 4FSJBMJ[F,FZ64&3OBNF
    
    
    
    
    
 ^
17. HFUUFS
    
    TFUUFS w ,PUMJOͰ͸
    HFUUFS
    
    TFUUFSͷఆָ͕ٛ͘͢͝Ͱ͢ɻ
    w ฐࣾͰ͸ɺ%BUBCJOEJOHʹ౉͢0CTFSWBCMFͳ.PEFM
    
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18. HFUUFS
    
    TFUUFS 7JFX.PEFM DMBTT
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    !#JOEBCMF

    
    
    
    WBS
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    TFU NBJM
    \

    
    
    
    
    
    
    
    
    
    
    
    pFME
    
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    OPUJGZ1SPQFSUZ$IBOHFE #3NBJM 

    
    
    
    
    
    
    
    
    
    
    
    OPUJGZ1SPQFSUZ$IBOHFE #3WBMJE 

    
    
    
    
    
    
    
    ^

    
    
    
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    ^
 ^
19. ֦ுؔ਺ w طଘͷΫϥεʹରͯ͠ޙ͔ΒϝιουΛ௥Ճ͢Δࣄ͕Ͱ͖ Δػೳ
    w #JOEJOH"EBQUFSΛ௥Ճ͢Δͱ͖ʹΑ͘࢖ͬͯ·͢ɻ
20. ֦ுؔ਺
    
    ར༻͠ͳ͍৔߹ 1JDBTTPͷMPBE*NBHF PCKFDU
    *NBHF7JFX#JOEJOH"EBQUFS
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    MPBE JNBHF6SM 

    
    
    
    
    
    
    
    
    
    
    
    JOUP WJFX
    
    
    
    
    ^
    ^
21. ֦ுؔ਺
    
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 GVO
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 ^
22. ඍົͩͬͨॴɿMJOU w ೥લMJOUͷ݁Ռ͕͍·͍ͪͩͬͨ
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    w मਖ਼͞Ε͍ͯΔࣄΛظ଴ͯ͠·͕ͨ͠ɺΫϥεʹΑͬͯXBSOJOH ग़ͨΓग़ͳ͔ͬͨΓͯͯ͠·ͩ࢖͑ͳ͍໛༷Ͱ͢ɻ
23. ,PUMJOͱҰॹʹར༻ՄೳͳϥΠϒϥϦ
24. ௨৴ɾඇಉظॲཧपΓ w 3FUSPpU
    w 0L)UUQ
    w 3Y+BWB 
25. ௨৴ɾඇಉظॲཧपΓ .BJO"DUJWJUZ7JFX.PEFMLU UIJTDMJFOUHFU"DDPVOU 

    
    
    
    
    
    
    
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26. 1BSDFMFS 6TFS1SPpMFLU !1BSDFM
 EBUB
    DMBTT
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    !1BSDFM$POTUSVDUPS
    DPOTUSVDUPS 

    
    
    
    
    
    
    
    !1BSDFM1SPQFSUZ JDPO
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    !1BSDFM1SPQFSUZ OBNF
    WBM
    OBNF
    4USJOH

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 ^ w 1BSDFMBCMFͷ࣮૷Λָʹ͢ΔϥΠϒϥϦ 
27. 1BSDFMFS 6TFS'SBHNFOULU 1BSDFMTVOXSBQ6TFS1SPpMF
    
    
    
    
    BSHVNFOUTHFU1BSDFMBCMF 4FSJBMJ[F,FZ64&3@130'*-&OBNF
    6TFS'SBHNFOULU WBM
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    #VOEMF BQQMZ
    \

    
    
    
    QVU1BSDFMBCMF
    
    
    
    
    
    
    
    
    4FSJBMJ[F,FZ64&3@1SPpMFOBNF
    
    
    
    
    
    
    
    
    1BSDFMTXSBQ VTFS1SPpMF
    
    
    
    
    
 ^ 
28. (40/ 6TFS1SPpMFLU EBUB
    DMBTT
    6TFS1SPpMF 

    
    
    
    
    
    
    !4FSJBMJ[FE/BNF JDPO
    WBM
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    !4FSJBMJ[FE/BNF OBNF
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 ^ w KTPOͷύʔεΛࣗಈԽ͢ΔϥΠϒϥϦ
    w ฐࣾͰ͸QSPHVBSEରԠʹ͸ΞϊςʔγϣϯΛར༻ͯ͠ର Ԡ͍ͯ͠·͢ɻ 
29. %BSU w *OUFOUʹσʔλΛ౉͢ͷΛָʹ͢ΔϥΠϒϥϦ
    w ,&:ͷࢦఆ౳͕ෆཁʹͳΔ 
30. %BSU 6TFS"DUJWJUZLU DMBTT
    6TFS"DUJWJUZ
    
    "QQ$PNQBU"DUJWJUZ
    \

    
    
    
    !*OKFDU&YUSB

    
    
    
    MBUFJOJU
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    PWFSSJEF
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    PO$SFBUF TBWFE*OTUBODF4UBUF
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    TVQFSPO$SFBUF TBWFE*OTUBODF4UBUF 

    
    
    
    
    
    
    
    %BSUJOKFDU UIJT 

    
    
    
    ^

    
    
    
    DPNQBOJPO
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    \

    
    
    
    
    
    
    
    GVO
    DSFBUF*OUFOU DPOUFYU
    $POUFYU
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    \

    
    
    
    
    
    
    
    
    
    
    
    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
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    w IUUQTHJUIVCDPNGQSBUFFLEBSUJTTVFT
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    w ࡌ͍ͬͯΔํ๏΋ඍົͳͷͰɺ'SBHNFOUͰ͸ར༻͍ͯ͠·ͤΜɻ 
32. BOESPJETUBUF w *DF1JDLͷ,PUMJOରԠ൛ʢFWFSOPUF͕։ൃʣ
    w PO4BWF*OTUBODF4UBUFͷॲཧΛࣗಈԽͯ͘͠ΕΔ
    w IUUQTHJUIVCDPNFWFSOPUFBOESPJETUBUF 
33. BOESPJETUBUF .BJO"DUJWJUZLU PWFSSJEF
    GVO
    PO$SFBUF TBWFE*OTUBODF4UBUF
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    ^ .BJO"DUJWJUZLU !4UBUF
 WBS
    OBNF
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34. ·ͱΊ w ೥ͿΓʹ,PUMJOΛ࢖ͬͯΈͨΒ࢖͑ΔϥΠϒϥϦ͕͢͝ ͘૿͑ͯͯศརͩͬͨ
    w ,PUMJOͷجຊػೳ͸૬มΘΒͣૉఢ
    w ͜Ε͔Βͷ։ൃ͸,PUMJOͰ࢝ΊΔͷ͕ྑͦ͞͏ ೥ͿΓʹ࢖ͬͨΒ΍ͬͺΓ,PUMJO͸ྑ͔ͬͨ
35. גࣜձࣾNHSBN͸ΤϯδχΞੵۃ࠾༻தͰ͢ɻ ਓ໨ͷΤϯδχΞΛ୳͍ͯ͠·͢ʂ ΤϯδχΞਓͰ͕Μ͹͍ͬͯ·͢ɻ ৽͍͠΋ͷେ޷͖ ࠊ͕ॏ͍