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Custom Group Activities
Tachibana Kaoru
June 23, 2021
Technology
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Custom Group Activities
Tachibana Kaoru
June 23, 2021
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Transcript
Custom Group Activities @TachibanaKaoru 2021/06/23 #potatotips #74
ࣗݾհ @TachibanaKaoru Freelance iOS Engineer ࠓͷWWDCΧφμͰݟ͍ͯ·ͨ͠ɻ ࠓ·ͩؼࠃޙͷೋिִؒظؒதɻ
Custom Group Activitiesͱ FaceTimeͷηογϣϯΛͬͯΞϓϦಠࣗͷใΛΓͱΓ͢Δ͜ͱ͕ Ͱ͖ΔΈɻ αʔόʔΛ༻ҙͤͣʹήʔϜͷάϧʔϓରઓάϧʔϓ࡞ۀͳͲΛ࣮ ͢Δ͜ͱ͕Ͱ͖Δɻ iOS15͔Βαϙʔτ
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How to implement Group Activities add entitlement (com.apple.developer.group-session) de fi
ne activity model prepareForActivation activate join
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 } }
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)" } }
activate let myActivity = TextTogetherActivity() myActivity.activate()
join async{ for await session in TextTogetherActivity.sessions(){ switch session.state{ case
GroupSession<TextTogetherActivity>.State.joined: break case GroupSession<TextTogetherActivity>.State.waiting: session.join() default: break } } }
Group Activities Session FaceTime session Group Activities session
Group Activities Session FaceTime session ActivityΛ ࡞ͬͯ activate ͢Δ Group
Activities session FactTimeͷsession͕͋Δঢ়ଶͰactivateΛ͢ΔͱɺଞͷࢀՃ ऀʹԻͰ௨͞Ε·͢ɻ
Group Activities Session FaceTime session Group Activities session join APIͰjoinΛݺͿલʹɺsystem
UIͰɺ ʮΞϓϦ໊ʯʹࢀՃ͠·͔͢ʁͱ͍ ͏μΠΞϩάʹOK͢Δඞཁ͋Γɻ
System UI Dialog Here!
Group Activities Session FaceTime session Group Activities session join
Group Activities Session FaceTime session Group Activities session
Session timeline prepareForActivation prepareForActivation activate join session owner (system UI
Ͱ OK)
How to send and receive messages de fi ne message
model send message receive message
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 }
send message let messenger = GroupSessionMessenger(session: session) let newData =
ShareText(id: UUID(), name: "Hello") messenger.send(newData, completion: {error in // check error })
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) } }
Session information ηογϣϯʹࢀՃ͍ͯ͠Δਓ֬ೝՄೳ ͨͩ͠ɺਓ૿ݮͷ௨ͳͲൃੜ͠ͳ͍ ηογϣϯʹࢀՃ͍ͯ͠ΔਓͷใʢFaceTimeΞΧϯτ໊ͳͲʣऔಘͰ ͖ͳ͍ɻ ૹड৴ϝοηʔδʹɺࢀՃऀͷIDʢಗ໊IDʣՃ͞Ε͍ͯΔ͕ɺͦΕҎ্ ͷใͳ͍ͨΊɺඞཁͳ߹ʹɺૹड৴ϝοηʔδʹؚΊͨ΄͏͕Α͍ɻ
Pros and Cons ηογϣϯΛཧ͢Δඞཁ͕ʢ͋·Γʣͳ͍ αʔόʔߏஙͷඞཁ͕ͳ͍
Pros and Cons FaceTimeͷΞΧϯτ͕ඞཁ iOS15͕ඞཁ ࢀՃऀͷใ͕खʹೖΒͳ͍
delay on Group Activities ݱ࣌ͰɺηογϣϯΛషΔͷ·Ͱ͕͔͔࣌ؒΔ͜ͱ͕͋Δ ϝοηʔδૹड৴࣌ͷԆ΄ͱΜͲײ͡ͳ͍͕ɺࢀՃਓωοτ ϫʔΫڥʹେ͖͘ґଘ͢ΔͱࢥΘΕΔ FaceTimeͷάϧʔϓ௨࠷େ32ਓ͕ͩɺGroup ActivitiesͰԿਓ·Ͱ αϙʔτ͢Δͷ͔ෆ໌ɻ
Environment Tips ಉ͡FaceTimeΞΧϯτʴෳͷσόΠεͰFaceTime SessionΛ࡞ͬͯ ͏·͍͔͘ͳ͍߹͕͋Δɻ WWDCͷϓϨθϯͰ͏·͍͍ͬͯ͘ΔΑ͏ʹݟ͑·͕ͨ͠ɺखݩͰ ͏·͍͖͘·ͤΜͰͨ͠ɻ ։ൃ༻ʹผFaceTimeΞΧϯτΛ༻ҙͨ͠ํ͕҆શɻ
Environment Tips Group ActivitiesରԠΞϓϦͷTestFlightͰͷɺݱ࣌Ͱαϙʔτ ͞Ε͍ͯ·ͤΜɻ Group ActivitiesͷΞϓϦͰɺGroupAcͰඞཁͳ com.apple.developer.group-sessionͷcode signing entitlement͕ඞཁͰ
͕͢ɺͦΕΛద༻͢ΔͱiTunes connectͰͷΞοϓϩʔυ࣌ʹΤϥʔ͕ ൃੜ͠·͢ɻ
·ͱΊ Custom ActivitiesɺάϧʔϓηογϣϯΛ؆୯ʹ࣮Ͱ͖Δͷ͕ັྗ తɻ ͨͩ͠ɺ։ൃڥΛ༻ҙ͢Δͷ͕গ͠େม͔ɻ iOS15͕ෳ͋ͬͨΒࢼͯ͠Έ·͠ΐ͏ɻ