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Android エンジニアになって 2 年の学び

Android エンジニアになって 2 年の学び

DroidKaigi 2016

Ryutaro Miyashita

February 19, 2016
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  1. "OESPJEؒٝآص،חז׏ג䎃ך㷕ן
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  2. *OUSPEVDUJPO
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    $IBU8PSL"QQMJDBUJPOT%FWFMPQNFOU%JWJTJPO
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  3. 5PEBZˏTNFOV
    )PXUPMFBSOJOHUIF"OESPJE%FW
    %JFSFODFUPTPMPEFWBOEUFBNEFW
    %FDPOTUSVDUJPOⴓ鍑ׅ׷
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  4. 5PEBZˏTNFOV
    )PXUPMFBSOJOHUIF"OESPJE%FW
    %JFSFODFUPTPMPEFWBOEUFBNEFW
    %FDPOTUSVDUJPOⴓ鍑ׅ׷
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  5. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    $MJDLUIFCVUUPOUPOFYUBDUJWJUZUSBOTJUJPO
    نةٝ׾䬃׃ג如ך歗꬗ח鼂獳ׅ׷

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  6. %FDPOTUSVDUJPOⴓ鍑ׅ׷
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    /PSNBM兛鸐ח鼂獳
    4FOEJOHEBUB鼂獳儗חر٦ة׾床ׅחכ
    5SBOTJUJPOFFDUT歗꬗鼂獳儗חؒؿؙؑز׾ַֽ׋ְ

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  7. %FDPOTUSVDUJPOⴓ鍑ׅ׷
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    5SBOTJUJPOFFDUT歗꬗鼂獳儗חؒؿؙؑز׾ַֽ׋ְ

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  8. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    $MJDL
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    *NQMFNFOUTˑJOUFSGBDF˒؎ٝة٦ؿؑ٦أ׾㹋鄲
    8SJUFJO9.-9.-ח鎸鶢
    6TFˑ%BUBCJOEJOH˒ر٦ةغ؎ٝر؍ؚٝ׾⢪ֲ
    BOENPSF
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  9. %FDPOTUSVDUJPOⴓ鍑ׅ׷
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    
    
    
    
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  10. %FDPOTUSVDUJPOⴓ鍑ׅ׷
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    
    

    
    
    
    
    "OPOZNPVTDMBTTJOTUBODFWBM⼡せؙٓأ؎ٝأةٝأ㢌侧

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  11. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    

    


    
    

    
    

    

    *NQMFNFOUTˑJOUFSGBDF˒؎ٝة٦ؿؑ٦أ׾㹋鄲

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  12. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    
    
    
    
    
    
    

    8SJUFJO9.-9.-ח鎸鶢

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  13. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    
    
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    
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    
    
    
    
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    6TFˑ%BUBCJOEJOH˒ر٦ةغ؎ٝر؍ؚٝ׾⢪ֲ

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  14. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    
    

    6TFˑ#VUUFS,OJGF˒#VUUFS,OJGFٓ؎ـٓٔ׾⢪ֲ

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  15. %FDPOTUSVDUJPOⴓ鍑ׅ׷
    %FDPOTUSVDUJPOUIFBDUJPOBOEWFSJGZPOFCZPOF
    ⴓ鍑׃גמהא׆א嗚鏾ׅ׷
    'JOEUIFCFTUXBZ
    ♧殢ְְװ׶倯׾鋅אֽ׷

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  16. 5PEBZˏTNFOV
    )PXUPMFBSOJOHUIF"OESPJE%FW
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    4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
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    4PMP➂דꟚ涪ׅ׷
    5FBNث٦يדꟚ涪ׅ׷
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  17. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    7PMMFZ)551OFUXPSLJOHMJCSBSZ
    1SFTFOUFEBUUIF(PPHMF*0
    .VMUJGVODUJPOBM 6TFGVM"1*T /FUXPSL*NBHF7JFX *NBHF-PBEFS

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  18. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    (PPHMFPDJBM1JFDFPGNJOE
    (PPHMFⰕ䒭׌ַ׵㸜䗰

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  19. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    (PPHMFPDJBMQJFDFPGNJOE
    /05QJFDFPGNJOE 㸜䗰דכזְ

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  20. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    *UEPFTOUUBLF"OESPJE4%,BOEJOUFHSJUZ
    "OESPJE4%,ה侭さ䚍ָה׸גְזְ
    Apache HTTP Client Removal
    Android 6.0 release removes support for the Apache HTTP client. If your app
    is using this client and targets Android 2.3 (API level 9) or higher, use the
    HttpURLConnection class instead. This API is more efficient because it
    reduces network use through transparent compression and response
    caching, and minimizes power consumption. To continue using the Apache
    HTTP APIs, you must first declare the following compile-time dependency in
    your build.gradle file:
    android {
    useLibrary 'org.apache.http.legacy'
    }
    link: http://bit.ly/1PvOQwd

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  21. 6TJOHBMPU

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  22. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
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    (PPHMF׮♧卐䀵דכזְ
    Image: Creative Commons BY 2.0, link: http://bit.ly/1O8ZBka

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  23. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    4VQQPSU-JCSBSZ
    The Android Support Library package is a set of code libraries that provide
    backward-compatible versions of Android framework APIs as well as
    features that are only available through the library APIs.
    link: http://developer.android.com/intl/ja/tools/support-library/index.html

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  24. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    'PSCBDLXBSEDPNQBUJCMF"1* 

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  25. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    BOESPJEBQQ'SBHNFOU
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    WTVQQPSUMJCSBSJFTˑ'SBHNFOU˒"1*
    8IJDIEPZPVXBOUUPVTF ו׍׵׾⢪ְתַׅ

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  26. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    BOESPJEBQQ'SBHNFOU
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    WTVQQPSUMJCSBSJFTˑ'SBHNFOU˒"1*
    4VQQPSUMJCSBSZWFSTJPOTIPVMECFVTFE؟ه٦زٓ؎ـٓٔ晛׾⢪ְת׃׳ֲ

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  27. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    'JYFETUBOEBSEMJCTPGCVHBUTVQQPSUMJCT
    4VQQPSU-JCSBSZד垥彊ٓ؎ـٓٔ晛ךغָؚ湫׏גְ׷

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  28. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    .BUFSJBM%FTJHOOFFET4VQQPSU-JCSBSZ
    .BUFSJBM%FTJHO㼎䘔ך׋׭חכ4VQQPSU-JCSBSZָ䗳銲
    

    

    

    


    ˑWBQQDPNQBU˒JODMVEFTˑWTVQQPSUMJCSBSZ˒
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  29. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
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  30. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    4VQQPSU-JCSBSZIBTTJNJMBS"1*OBNFT
    4VQQPSU-JCSBSZכ⡂׋せ⵸ך"1*׾䭯׏גְ׷

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  31. 4FMFDUUIFBQQSPQSJBUFUFDI黝ⴖח䪮遭׾鼅ע
    BOESPJETVQQPSUWQSFGFSFODF

    1SFGFSFODF'SBHNFOU
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    We challenged ourselves to create a visual language for our users that
    synthesizes the classic principles of good design with the innovation and
    possibility of technology and science. This is material design. This spec is a
    living document that will be updated as we continue to develop the tenets
    and specifics of material design.
    link: https://www.google.com/design/spec/material-design/introduction.html
    Image: Creative Common BY 2.0, http://bit.ly/20wocqc

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  56. link: https://github.com/cookpad/styleguide

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    Documents will help of team development, definitely
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