Custom Group Activities

Transcript

1. Custom Group Activities
   @TachibanaKaoru
   
   
   2021/06/23 #potatotips #74
   

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2. ࣗݾ঺հ
   @TachibanaKaoru
   
   
   Freelance iOS Engineer
   
   
   ࠓ೥ͷWWDC͸ΧφμͰݟ͍ͯ·ͨ͠ɻ
   
   
   ࠓ೔͸·ͩؼࠃޙͷೋिִؒ཭ظؒதɻ
   

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3. Custom Group Activitiesͱ͸
   FaceTimeͷηογϣϯΛ࢖ͬͯΞϓϦಠࣗͷ৘ใΛ΍ΓͱΓ͢Δ͜ͱ͕
   Ͱ͖Δ࢓૊Έɻ
   
   
   αʔόʔΛ༻ҙͤͣʹήʔϜͷάϧʔϓରઓ΍άϧʔϓ࡞ۀͳͲΛ࣮૷
   ͢Δ͜ͱ͕Ͱ͖Δɻ
   
   
   iOS15͔Βαϙʔτ
   

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8. How to implement Group Activities
   add entitlement (com.apple.developer.group-session)
   
   
   de
   fi
   ne activity model
   
   
   prepareForActivation
   
   
   activate
   
   
   join
   

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9. de
   fi
   ne activity model
   struct TextTogetherActivity: GroupActivity{
   
   
   
   
   static let activityIdentifier = "org.toyship.characters.text"
   
   
   
   
   }
   
   
   extension TextTogetherActivity{
   
   
   
   
   var metadata: GroupActivityMetadata{
   
   
   var data = GroupActivityMetadata()
   
   
   data.type = .generic
   
   
   data.title = "character"
   
   
   data.fallbackURL = URL(string: "")
   
   
   return data
   
   
   }
   
   
   }
   

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10. prepareForActivation
    let myActivity = TextTogetherActivity()
    
    
    
    
    async {
    
    
    switch await myActivity.prepareForActivation() {
    
    
    case .activationDisabled:
    
    
    prepareStateLabel.text = "(disable)"
    
    
    case .activationPreferred:
    
    
    prepareStateLabel.text = "prepare OK"
    
    
    case .cancelled:
    
    
    prepareStateLabel.text = "cancelled"
    
    
    default:
    
    
    prepareStateLabel.text = "(unknown status)"
    
    
    
    
    }
    
    
    }
    
    
    

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11. activate
    let myActivity = TextTogetherActivity()
    
    
    
    
    myActivity.activate()
    
    
    

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12. join
    async{
    
    
    for await session in TextTogetherActivity.sessions(){
    
    
    
    
    switch session.state{
    
    
    case GroupSession.State.joined:
    
    
    break
    
    
    case GroupSession.State.waiting:
    
    
    session.join()
    
    
    default:
    
    
    break
    
    
    }
    
    
    
    
    }
    
    
    }
    

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13. Group Activities Session
    FaceTime session
    Group Activities
    
    
    session
    

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14. Group Activities Session
    FaceTime session
    ActivityΛ
    ࡞ͬͯ
    
    
    activate
    
    
    ͢Δ
    Group Activities
    
    
    session
    FactTimeͷsession͕͋Δঢ়ଶͰactivateΛ͢ΔͱɺଞͷࢀՃ
    ऀʹԻͰ௨஌͞Ε·͢ɻ
    

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15. Group Activities Session
    FaceTime session
    Group Activities
    
    
    session
    join
    APIͰjoinΛݺͿલʹɺsystem UIͰɺ
    ʮΞϓϦ໊ʯʹࢀՃ͠·͔͢ʁͱ͍
    ͏μΠΞϩάʹOK͢Δඞཁ͋Γɻ
    

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16. System UI Dialog
    Here!
    

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17. Group Activities Session
    FaceTime session
    Group Activities
    
    
    session
    join
    

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18. Group Activities Session
    FaceTime session
    Group Activities
    
    
    session
    

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19. Session timeline
    prepareForActivation prepareForActivation
    activate
    join
    session owner
    (system UI Ͱ OK)
    

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20. How to send and receive messages
    de
    fi
    ne message model
    
    
    send message
    
    
    receive message
    

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21. de
    fi
    ne message model
    struct ShareText: Codable{
    
    
    let id: UUID
    
    
    var name: String
    
    
    var position: CGPoint = CGPoint(x: 0, y: 0)
    
    
    
    
    var red: CGFloat = 1.0
    
    
    var green: CGFloat = 1.0
    
    
    var blue: CGFloat = 1.0
    
    
    var alpha: CGFloat = 1.0
    
    
    }
    
    
    

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22. send message
    let messenger = GroupSessionMessenger(session: session)
    
    
    let newData = ShareText(id: UUID(), name: "Hello")
    
    
    
    
    messenger.send(newData,
    
    
    completion: {error in
    
    
    // check error
    
    
    })
    
    
    

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23. receive message
    async{
    
    
    for await session in TextTogetherActivity.sessions(){
    
    
    
    
    let messenger = GroupSessionMessenger(session: session)
    
    
    
    
    let task: Task.Handle = detach { [weak self] in
    
    
    for await (message, _ ) in messenger.messages(of: ShareText.self){
    
    
    await self?.checkReceivedText(message)
    
    
    }
    
    
    
    
    }
    
    
    tasks.insert(task)
    
    
    
    
    }
    
    
    }
    
    
    

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24. Session information
    ηογϣϯʹࢀՃ͍ͯ͠Δਓ਺͸֬ೝՄೳ
    
    
    ͨͩ͠ɺਓ਺૿ݮͷ௨஌ͳͲ͸ൃੜ͠ͳ͍
    
    
    ηογϣϯʹࢀՃ͍ͯ͠Δਓͷ৘ใʢFaceTimeΞΧ΢ϯτ໊ͳͲʣ͸औಘͰ
    ͖ͳ͍ɻ
    
    
    ૹड৴ϝοηʔδʹ͸ɺࢀՃऀͷIDʢಗ໊IDʣ͸෇Ճ͞Ε͍ͯΔ͕ɺͦΕҎ্
    ͷ৘ใ͸ͳ͍ͨΊɺඞཁͳ৔߹ʹ͸ɺૹड৴ϝοηʔδʹؚΊͨ΄͏͕Α͍ɻ
    

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25. Pros and Cons
    ηογϣϯΛ؅ཧ͢Δඞཁ͕ʢ͋·Γʣͳ͍
    
    
    αʔόʔߏஙͷඞཁ͕ͳ͍
    

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26. Pros and Cons
    FaceTimeͷΞΧ΢ϯτ͕ඞཁ
    
    
    iOS15͕ඞཁ
    
    
    ࢀՃऀ΍୺຤ͷ৘ใ͕खʹೖΒͳ͍
    

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27. delay on Group Activities
    ݱ࣌఺Ͱ͸ɺηογϣϯΛషΔͷ·Ͱ͕͔͔࣌ؒΔ͜ͱ͕͋Δ
    
    
    ϝοηʔδૹड৴࣌ͷ஗Ԇ͸΄ͱΜͲײ͡ͳ͍͕ɺࢀՃਓ਺΍ωοτ
    ϫʔΫ؀ڥʹେ͖͘ґଘ͢ΔͱࢥΘΕΔ
    
    
    FaceTimeͷάϧʔϓ௨࿩͸࠷େ32ਓ͕ͩɺGroup ActivitiesͰԿਓ·Ͱ
    αϙʔτ͢Δͷ͔͸ෆ໌ɻ
    

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28. Environment Tips
    ಉ͡FaceTimeΞΧ΢ϯτʴෳ਺ͷσόΠεͰFaceTime SessionΛ࡞ͬͯ
    ΋͏·͍͔͘ͳ͍৔߹͕͋Δɻ
    
    
    WWDCͷϓϨθϯͰ͸͏·͍͍ͬͯ͘ΔΑ͏ʹݟ͑·͕ͨ͠ɺखݩͰ
    ͸͏·͍͖͘·ͤΜͰͨ͠ɻ
    
    
    ։ൃ༻ʹผFaceTimeΞΧ΢ϯτΛ༻ҙͨ͠ํ͕҆શɻ
    

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29. Environment Tips
    Group ActivitiesରԠΞϓϦͷTestFlightͰͷ഑෍͸ɺݱ࣌఺Ͱ͸αϙʔτ
    ͞Ε͍ͯ·ͤΜɻ
    
    
    Group ActivitiesͷΞϓϦͰ͸ɺGroupAcͰඞཁͳ
    com.apple.developer.group-sessionͷcode signing entitlement͕ඞཁͰ
    ͕͢ɺͦΕΛద༻͢ΔͱiTunes connectͰͷΞοϓϩʔυ࣌ʹΤϥʔ͕
    ൃੜ͠·͢ɻ
    

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30. ·ͱΊ
    Custom Activities͸ɺάϧʔϓηογϣϯΛ؆୯ʹ࣮૷Ͱ͖Δͷ͕ັྗ
    తɻ
    
    
    ͨͩ͠ɺ։ൃ؀ڥΛ༻ҙ͢Δͷ͕গ͠େม͔΋ɻ
    
    
    iOS15୺຤͕ෳ਺͋ͬͨΒࢼͯ͠Έ·͠ΐ͏ɻ
    

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