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ࡓ͑ͳ͍൴ঁͷҭͯํ
userInfo
for potatotips #39
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override init() {
super.init()
emplyedBy = "MAGES. 5pb. Game div"
job = "iOS Developer"
twitter = "@lovee"
github = "el-hoshino"
additionalInfo =
"Euro Truck Simulator 2 ROCKS!!!"
class Speaker: Producer {
}
}
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userInfo: Dictionary
▸ UIKit Ͱଟ͘ͷॴͰ׆༻͞ΕΔ
▸ Notification
▸ NSError
▸ ͦͷଞଟ͘ͷΦϒδΣΫτΛލ͙σʔλͷΓऔΓ
▸ ͦΕނͷສೳ͕͋͞Δ
▸ userInfo ୯ͳΔश׳্ͷม໊
▸ جຊ [String: Any] ͔ [Hashable: Any] ͷࣙॻܕ
▸ ͢σʔλܕʹറΒΕͳ͍
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ͦΜͳ userInfo ࡓ͑ͯͳ͍ʂ
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ͦΜͳ userInfo ࡓ͑ͯͳ͍ʂ
▸ Key ͷܕ͕ Stringʢ͔ AnyHashableʣ
▸ ଐੑ
औΕΔ
͕ϒϨΔ
ఆ · Β ͳ ͍
ΜͩΑʂ
▸ Value ͷܕ͕ Any
▸ ʢຊདྷͷʣΩϟϥ
ܕ ใ
͕ࢮΜͰΔΜͩΑʂ
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ϢʔβϩάΠϯ௨Λߟ͑ͯΈΑ͏
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ϢʔβϩάΠϯ௨ʢൃ৴ଆʣ
let name = Notification
.Name(rawValue: "PlayerLoggedin")
let userInfo: [String: Any] = [
"id": 3891,
"nickname": "Ճ౻ܙ"
]
let notification = Notification
(name: name,
object: nil,
userInfo: userInfo)
NotificationCenter.default.post(notification)
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ϢʔβϩάΠϯ௨ʢൃ৴ଆʣ
let name = Notification
.Name(rawValue: "PlayerLoggedin")
let userInfo: [String: Any] = [
"id": 3891,
"nickname": "Ճ౻ܙ"
]
let notification = Notification
(name: name,
object: nil,
userInfo: userInfo)
NotificationCenter.default.post(notification)
औΓಘΔΩʔ͕ར༻͢Δଆ͕Θ͔Βͳ͍
ࣙॻͷܕใ͕ͳ͘ͳΔ
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ϢʔβϩάΠϯ௨ʢड৴ଆʣ
func didReceiveNotification(
_ notification: Notification) {
guard let userInfo = notification.userInfo else {
return
}
if let id = userInfo["id"] as? Int,
let name = userInfo["nickname"] as? String {
print(id)
print(name)
} else if let token = userInfo["token"] as? String {
print(token)
}
}
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ϢʔβϩάΠϯ௨ʢड৴ଆʣ
func didReceiveNotification(
_ notification: Notification) {
guard let userInfo = notification.userInfo else {
return
}
if let id = userInfo["id"] as? Int,
let name = userInfo["nickname"] as? String {
print(id)
print(name)
} else if let token = userInfo["token"] as? String {
print(token)
}
}
ΩʔΛࣗྗͰ֮͑Δඞཁ͕͋Δ
ಛఆͳܕʹΩϟετμϯ͢Δඞཁ͕͋Δ
if จཏͰ͖Δอূ͕ͳ͍
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Զ͕࡞ͬͨϓϩάϥϜ͔ͩΒ
ͲΜͳͷ͕͋Δ͔͘Β͍
ԶͬͯΔ!
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Զ͕࡞ͬͨϓϩάϥϜ͔ͩΒ
ͲΜͳͷ͕͋Δ͔͘Β͍
ԶͬͯΔ!
͓લ 6 ϲ݄લͷՇͷ໊લΛ
ࠓ͙͢શ෦ݴ͑Δ͔ʁ
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No content
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ྑ͍ઃܭޡͬͨ༻๏Λ
ίϯύΠϧΤϥʔʹ͢Δ
by ੴ ༸ࢿ
ʢגࣜձࣾϝϧΧϦʣ
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userInfo Λϓϩσϡʔε͠Α͏
վ ળ
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ϢʔβϩάΠϯ௨ʢڞ௨ʣ
extension Notification {
enum Player {
case normal(id: Int, nickname: String)
case anonymous(token: String)
}
}
extension Notification.Player {
static let key = "Player"
}
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ϢʔβϩάΠϯ௨ʢൃ৴ଆʣ
extension Notification {
enum Player {
case normal(id: Int, nickname: String)
case anonymous(token: String)
}
}
extension Notification.Player {
static let key = "Player"
}
let player = Notification.Player
.normal(id: 3891, nickname: "Ճ౻ܙ")
let userInfo = [Notification.Player.key: player]
ͲΜͳΩʔ͕͋Δͷ͔͙͢Θ͔Δ
มͷܕใ͕Δ
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ϢʔβϩάΠϯ௨ʢड৴ଆʣ
extension Notification {
enum Player {
case normal(id: Int, nickname: String)
case anonymous(token: String)
}
}
extension Notification.Player {
static let key = "Player"
}
guard let player = notification
.userInfo?[Notification.Player.key]
as? Notification.Player else { return }
switch player {
case .normal(id: let id, nickname: let name):
print(id)
print(name)
case .anonymous(token: let token):
print(token)
}
ΩʔΛ֮͑Δඞཁ͕ͳ͍
ܕΛΩϟετμϯ͢Δඞཁ͕ͳ͍
switch case จʹΑΔཏੑͷอূ
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݁
userInfo Λ [String: Any] ͷ··Ͱར༻ͤͣ
ͳΔ͘Ұͭͷఆ·ͬͨܕʹམͱ͠ࠐ͏
enum Ͱ struct Ͱ Set Ͱ
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୭͕ΩϡϯΩϡϯ͢ΔϝΠϯώϩΠϯʹɻ
Ұ ྎ વ u s e r I n f o