External Accessory入門

iOSDC2023発表資料

Transcript

1. USJDLBSU &YUFSOBM
   "DDFTTPSZೖ໳ ެࣜ'SBNFXPSLΛ࢖ͬͯϨγʔτϓϦϯλʔΛ੍ޚ͢Δʂ
2. ಥવͰ͕͢
   Έͳ͞Μ
3. 'SBNFXPSL
   ࢖ͬͯ·͔͢ʁ "QQMFϓϥοτϑΥʔϜ޲͚ͷ΋ͷ
4. ΞϓϦ։ൃʹ͔ܽͤͳ͍'SBNFXPSLͨͪ "QQMFެࣜͷ'SBNFXPSL͚ͩͰ΋ͨ͘͞Μ w 'PVOEBUJPO
   w 6*,JU
   w "QQ,JU
   w 4XJGU6*
   w $PNCJOF
   w FUDʜ
5. ΞϓϦ։ൃʹ͔ܽͤͳ͍'SBNFXPSLͨͪ "QQMFެࣜ'SBNFXPSL͸Կݸ͋ΔͰ͠ΐ͏ʁ w "
   ໿ݸ
   w #
   ໿ݸ
   w $
   ໿ݸ
6. ݸʂ ਖ਼ղ͸$
7. w 5FDIOPMPHJFTϖʔδ
   w IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOUFDIOPMPHJFT
   w 'SBNFXPSL͕ͨ͘͞Μ
   w ࠓճ͓࿩͢Δ'SBNFXPSL΋ͦͷҰͭ ΞϓϦ։ൃʹ͔ܽͤͳ͍
   'SBNFXPSLͨͪ
8. &YUFSOBM
   'SBNFXPSLͱ͸ʁ w "QQMF͕ϦϦʔε͢Δ'SBNFXPSLͷҰͭ
   w ͦͷ໊ͷ௨Γ֎෦ΞΫηαϦͱ௨৴͢Δࣄ͕Ͱ͖Δ
   w ରԠ͢Δ֎෦ΞΫηαϦ͸-JHIUOJOH#MVFUPPUI઀ଓ ͷΞΫηαϦ
   w ࣮͸ϐϯ%PDLίωΫλ઀ଓʹ΋ରԠ͍ͯ͠Δ
   ରԠ͢Δ#MVFUPPUI͸#MVFUPPUI
   #3&#3ɻ#MVFUPPUI
   -PX
   &OFSHZ͸$PSF
   #MVFUPPUI͕ରԠɻ
9. w ͦͷ໊ͷ௨ΓϨγʔτΛҹ࡮͢ ΔϓϦϯλʔ
   w αʔϚϧϓϦϯλʔͱ΋ݺ͹ΕΔ
   w จࣈ΍ਤܗΛҹ࡮Ͱ͖Δ ੍ޚ͢Δͷ͸
   ϨγʔτϓϦϯλʔ Ҿ༻
   IUUQTTUBSNKQXQDPOUFOUVQMPBETNDQSJOU@KQH
10. 8IZ
    SFDFJQU
    QSJOUFS w ࣗ෼͕ϢϏϨδͱ͍͏104ϨδΞϓϦاۀʹۈΊͯΔ͔Β
    w ݸਓͰ΋ೖखՄೳ
    w ωοτ௨ൢͰߪೖՄೳ ਺ສԁ ɻϑϦϚΞϓϦ౳Ͱதݹ΋ग़඼͞Ε͍ͯΔ
    w ൺֱత؆୯ʹ࢓༷ॻ͕ೖखՄೳ
    w ௨৴σʔλྔ͕গͳ͘୯७ͰɺجຊతʹσʔλΛૹΔ͚ͩͰ͍͍
11. ·ͣ͸४උ w J04ΞϓϦͷϓϩδΣΫτΛ࡞Δ
    w *OGPQMJTUʹҎԼͷ߲໨Λهड़͢ Δ
    w 6*4VQQPSUFE&YUFSOBM"DDFTTPSZ1SPUPDPMT
    w ػثͱͷ௨৴ϓϩτίϧ
    w ϕϯμʔ͝ͱʹҟͳΔ ૣ଎࡞Δ
12. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    &""DDFTTPSZ w ֎෦ΞΫηαϦ͸&""DDFTTPSZΫϥεͰද͞ΕΔ
    w ઀ଓࡁΈͷΞΫηαϦ͸&""DDFTTPSZ.BOBHFSͷDPOOFDUFE"DDFTTPSJFT ϓϩύςΟʹ֨ೲ͞Ε͍ͯΔ
    w ෳ਺ͷΞΫηαϦ͕͋Δ৔߹͸NPEFM/VNCFS΍QSPUPDPM4USJOHTϓϩύςΟ ΛΈͯ൑ఆ
13. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    &"4FTTJPO w ௨৴ηογϣϯͷ&"4FTTJPOΛ։࢝͢Δ
    w JOJUʹ௨৴͍ͨ͠&""DDFTTPSZͱQSPUPDPM4USJOHΛ౉͢ for accessory in EAAccessoryManager.shared().connectedAccessories { guard accessory.protocolStrings.contains("jp.star-m.starpro") else { continue } let session = EASession(accessory: accessory, forProtocol: "jp.star-m.starpro") }
14. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    &"4FTTJPO w &"4FTTJPO͸JOQVU4USFBNͱPVUQVU4USFBNΛ͍࣋ͬͯΔ
    w JOQVU4USFBN͔ΒσʔλΛಡΈग़ͯ͠ड৴
    
    w PVUQVU4USFBNʹσʔλΛॻ͖ࠐΜͰૹ৴
    w 4USFBNʹEFMFHBUFΛ౉ͯ͠3VO-PPQʹεέδϡʔϧͯ͠։͘ guard let session = EASession(accessory: accessory, forProtocol: protocolString), let outputStream = session.outputStream else { return nil } outputStream.delegate = self outputStream.schedule(in: .current, forMode: .default) outputStream.open()
15. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    /4 4USFBN w 4USFBN͸ੲͳ͕Βͷ/44USFBN
    w 0VUQVU4USFBNʹ6OTBGF1PJOUFS6*OUͱͯ͠όΠτྻΛ౉͢ // "0"ͱ͚ͩҹࣈͯ͠վߦ͠ϖʔύʔΧοτ͢Δ var bytes: [UInt8] = [0x30, 0x0e, 0x0a, 0x1b, 0x64, 0x03] let length = outputStream.write(&bytes, maxLength: bytes.count) if length < 0 { print("error!") } else if length == 0 { print("full.") } else { if length != bytes.count { print("write data was split.") } // ॻ͖ࠐΜͩσʔλͷ࡟আ bytes = Array(bytes.dropFirst(length)) }
16. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    จࣈҹ࡮ w ελʔਫ਼ີ੡ϓϦϯλʔ͸4UBS13/5ͱ͍͏ϑΥʔϚοτ
    w 4IJGU+*4ͷςΩετͱ"4$**ͷ੍ޚจࣈͰఆٛ͞Ε੍ͨޚίϚϯυ͔ΒͳΔ
    w ೔ຊޠͷςΩετ΋ҹ࡮Մೳʂ let hello = Array("͜Μʹͪ͸ɺiOSDC 2023!".data(using: .shiftJIS)!) var bytes: [UInt8] = hello + [0x0e, 0x0a, 0x1b, 0x64, 0x03] let length = outputStream.write(&bytes, maxLength: bytes.count)
17. ૣ଎࡞Δ ίʔυΛॻ͍͍ͯ͘
    
    ը૾ҹ࡮ w ը૾Λҹ࡮ͯ͠ΈΔ
    w ͪΐͬͱσʔλྔ͸ଟ͍ͷͰ֓ཁ͚ͩ
    w ന͔ࠇ͔ͷϞϊΫϩը૾
    w XJEUIͱIFJHIUΛϔομʹ౉ͯ͋͠ͱ͸ CJUͣͭന GBMTF ͔ࠇ USVF ͔ͷσʔλ Λ٧Ί͍ͯ͘
18. ΞϓϦͷϦϦʔεͱ1SPEVDU
    1MBO
    *% 11*% ݸਓͰΞϓϦΛϦϦʔε͢Δͷ͸೉͍͔͠΋ʜ w &YUFSOBM
    "DDFTTPSZΛ࢖ͬͨΞϓϦΛϦϦʔε͢Δʹ͸11*%͕ඞཁ
    w 11*%͸࢖༻͍ͨ͠ΞΫηαϦͷϕϯμʔʹґཔͯ͠औಘ͢Δඞཁ͕͋Δ
    w ΞΫηαϦϕϯμʔ͸΢ΣϒαΠτͰϑΥʔϜΛ༻ҙ͍ͯ͠Δ͕ձ໊ࣾͳͲΛ ٻΊΒΕΔ৔߹΋ଟ͍
    w ݸਓͷΞϓϦΛରԠͯ͘͠ΕΔϕϯμʔ͕͋Δͷ͔͸ෆ໌
    w खݩͰσόοάϏϧυͰ༡Ϳ෼ʹ͸໰୊ͳ͍
19. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ ࢀߟ w IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOFYUFSOBMBDDFTTPSZ
    w IUUQTEFWFMPQFSBQQMFDPNMJCSBSZBSDIJWFGFBUVSFEBSUJDMFT &YUFSOBM"DDFTTPSZ15*OUSPEVDUJPO*OUSPEVDUJPOIUNMBQQMF@SFG EPDVJE51
    w IUUQTEFWFMPQFSBQQMFDPNMJCSBSZBSDIJWFEPDVNFOUBUJPO$PDPB $PODFQUVBM4USFBNT4USFBNTIUNMBQQMF@SFGEPDVJEJ αϯϓϧίʔυ
    IUUQTHJUIVCDPNUSJDLBSU&YUFSOBM"DDFTTPSZ1SJOUFS4BNQMF