Mobile Programming Protocol

Mobile Programming の授業で使うスライドです

Transcript

1. PROTOCOL
   MOBILE PROGRAMMING JAN 21ST
   

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2. 1. PROTOCOLͱ͸
   

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3. ςΩετ
   PROTOCOL(ϓϩτίϧ)ͱ͸ʁ
   ▸ Protocol͸࣮૷ͷͳ͍ClassͷΑ͏ͳ΋ͷͰ͢
   ▸ Class ΍ Struct ͱಉ͘͡ ϝιου΍ϓϩύςΟΛఆٛ͢Δ͜ͱ͕Ͱ͖·͕͢۩ମత
   ͳ࣮૷͸͠·ͤΜ
   ▸ ଞͷClass΍Structʹܧঝͤͯ͞ɺϝιου΍ϓϩύςΟͷ࣮૷Λ͠·͢
   ▸ جຊతʹProtocolʹఆٛ͞Ε͍ͯΔϝιου΍ϓϩύςΟ͸શ࣮ͯ૷͢Δඞཁ͕͋Γ
   ·͢
   ▸ ProtocolΛClass΍Structʹܧঝͤ͞Δ͜ͱΛϓϩτίϧΛ࠾༻(adopt)ͤ͞Δͱݴ͍
   ·͢
   ▸ Ұൠ໊ࢺͱͯ͠௚༁͢Δͱ ن໿ ͱ͍͏ҙຯʹͳΓ·͢
   

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4. ςΩετ
   ࣮ࡍͷίʔυ
   protocol Pokemon {
   var name: String { get }
   var ability: Ability { get }
   var level: Int { get set }
   var health: Int { get set }
   func displayStatus()
   func doAbility(to pokemon: T)
   }
   Protocol Ωʔϫʔυ͔Β࢝·Δ
   

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5. ςΩετ
   ࣮ࡍͷίʔυ
   protocol Pokemon {
   var name: String { get }
   var ability: Ability { get }
   var level: Int { get set }
   var health: Int { get set }
   func displayStatus()
   func doAbility(to pokemon: T)
   }
   Protocol Ωʔϫʔυ͔Β࢝·Δ
   ͜͜͸ඞͣvarͰఆٛ͢Δ
   

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6. ςΩετ
   ࣮ࡍͷίʔυ
   protocol Pokemon {
   var name: String { get }
   var ability: Ability { get }
   var level: Int { get set }
   var health: Int { get set }
   func displayStatus()
   func doAbility(to pokemon: T)
   }
   Protocol Ωʔϫʔυ͔Β࢝·Δ
   ͜͜͸ඞͣvarͰఆٛ͢Δ
   ۩ମతͳ஋Λࢦఆ͢Δ୅ΘΓʹ
   ಡΈॻ͖ͷઃఆΛ͢Δ
   ͜Ε͸ get ͚ͩͳͷͰಡΈࠐΈઐ༻
   

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7. ςΩετ
   ࣮ࡍͷίʔυ
   protocol Pokemon {
   var name: String { get }
   var ability: Ability { get }
   var level: Int { get set }
   var health: Int { get set }
   func displayStatus()
   func doAbility(to pokemon: T)
   }
   Protocol Ωʔϫʔυ͔Β࢝·Δ
   ͜͜͸ඞͣvarͰఆٛ͢Δ
   ۩ମతͳ஋Λࢦఆ͢Δ୅ΘΓʹ
   ಡΈॻ͖ͷઃఆΛ͢Δ
   ͜Ε͸ get ͚ͩͳͷͰಡΈࠐΈઐ༻
   ͪ͜Β͸ get set ྆ํͷهड़͕͋ΔͷͰ
   ಡΈॻ͖Մೳ
   

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8. ςΩετ
   ࣮ࡍͷίʔυ(ఆٛ)
   protocol Pokemon {
   var name: String { get }
   var ability: Ability { get }
   var level: Int { get set }
   var health: Int { get set }
   func displayStatus()
   func doAbility(to pokemon: T)
   }
   Protocol Ωʔϫʔυ͔Β࢝·Δ
   ͜͜͸ඞͣvarͰఆٛ͢Δ
   ۩ମతͳ஋Λࢦఆ͢Δ୅ΘΓʹ
   ಡΈॻ͖ͷઃఆΛ͢Δ
   ͜Ε͸ get ͚ͩͳͷͰಡΈࠐΈઐ༻
   ͪ͜Β͸ get set ྆ํͷهड़͕͋ΔͷͰ
   ಡΈॻ͖Մೳ
   ϝιου͸໊લͱҾ਺ɺ໭Γ஋͚ͩΛهड़͠۩ମతͳ࣮૷͸ॻ͔ͳ͍
   

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9. ςΩετ
   ࣮ࡍͷίʔυ(࠾༻)
   struct Pikachu: Pokemon {
   let name: String
   let ability: Ability
   var level: Int
   var health: Int
   func displayStatus() {
   print("name: \(self.name)")
   print("Lv: \(self.level)")
   print("HP: \(self.health)")
   }
   func doAbility(to pokemon: T) where T : Pokemon {
   // to be continue...
   }
   }
   ࠾༻͍ͨ͠ProtocolΛࢦఆ͢Δ
   

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10. ςΩετ
    ࣮ࡍͷίʔυ(࠾༻)
    struct Pikachu: Pokemon {
    let name: String
    let ability: Ability
    var level: Int
    var health: Int
    func displayStatus() {
    print("name: \(self.name)")
    print("Lv: \(self.level)")
    print("HP: \(self.health)")
    }
    func doAbility(to pokemon: T) where T : Pokemon {
    // to be continue...
    }
    }
    ࠾༻͍ͨ͠ProtocolΛࢦఆ͢Δ
    ͜ͷೋͭ͸ఆٛͷ࣌ʹ get ͚ͩͩͬͨͷͰ
    let Ͱఆ਺ͱͯ͠ఆٛ(Read only)
    

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11. ςΩετ
    ࣮ࡍͷίʔυ(࠾༻)
    struct Pikachu: Pokemon {
    let name: String
    let ability: Ability
    var level: Int
    var health: Int
    func displayStatus() {
    print("name: \(self.name)")
    print("Lv: \(self.level)")
    print("HP: \(self.health)")
    }
    func doAbility(to pokemon: T) where T : Pokemon {
    // to be continue...
    }
    }
    ࠾༻͍ͨ͠ProtocolΛࢦఆ͢Δ
    ͜ͷೋͭ͸ఆٛͷ࣌ʹ get ͚ͩͩͬͨͷͰ
    let Ͱఆ਺ͱͯ͠ఆٛ(Read only)
    ͜ͷೋͭ͸ఆٛͷ࣌ʹ get set ྆ํࢦఆͨ͠ͷͰ
    var Ͱม਺ͱͯ͠ఆٛ(Read/Write)
    

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12. ςΩετ
    ࣮ࡍͷίʔυ(࠾༻)
    struct Pikachu: Pokemon {
    let name: String
    let ability: Ability
    var level: Int
    var health: Int
    func displayStatus() {
    print("name: \(self.name)")
    print("Lv: \(self.level)")
    print("HP: \(self.health)")
    }
    func doAbility(to pokemon: T) where T : Pokemon {
    // to be continue...
    }
    }
    ࠾༻͍ͨ͠ProtocolΛࢦఆ͢Δ
    ͜ͷೋͭ͸ఆٛͷ࣌ʹ get ͚ͩͩͬͨͷͰ
    let Ͱఆ਺ͱͯ͠ఆٛ(Read only)
    ͜ͷೋͭ͸ఆٛͷ࣌ʹ get set ྆ํࢦఆͨ͠ͷͰ
    var Ͱม਺ͱͯ͠ఆٛ(Read/Write)
    ϝιου͸ఆٛͯ͋͠ΔҾ਺໭Γ஋Λهड़ͯ͠த਎Λ࣮૷͢Δ
    

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13. ςΩετ
    ࣮ࡍͷίʔυ(·ͱΊ)
    // Protocolఆٛ
    protocol Pokemon {
    var name: String { get }
    var ability: Ability { get }
    var level: Int { get set }
    var health: Int { get set }
    func displayStatus()
    func doAbility(to pokemon: T)
    }
    // Protocol࠾༻
    struct Pikachu: Pokemon {
    let name: String
    let ability: Ability
    var level: Int
    var health: Int
    func displayStatus() {
    print("name: \(self.name)")
    print("Lv: \(self.level)")
    print("HP: \(self.health)")
    }
    func doAbility(to pokemon: T) where T : Pokemon {
    // to be continue...
    }
    }
    

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14. 2.͍ͭ࢖͏Μʁ
    

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15. ςΩετ
    ͍ͭ࢖͏Μʁ
    ▸ ͬ͘͟Γ෼͚ͯ
    

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16. ςΩετ
    ͍ͭ࢖͏Μʁ
    ▸ ͬ͘͟Γ෼͚ͯ
    ▸ 1. ಛఆͷػೳΛఏڙͤ͞ΔͨΊ
    

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17. ςΩετ
    ͍ͭ࢖͏Μʁ
    ▸ ͬ͘͟Γ෼͚ͯ
    ▸ 1. ಛఆͷػೳΛఏڙͤ͞ΔͨΊ
    ▸ 2. Delegate PatternΛ࣮૷͢ΔͨΊ
    

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18. ςΩετ
    ͍ͭ࢖͏Μʁ
    ▸ ͬ͘͟Γ෼͚ͯ
    ▸ 1. ಛఆͷػೳΛఏڙͤ͞ΔͨΊ
    ▸ 2. Delegate PatternΛ࣮૷͢ΔͨΊ
    ▸ 3. ॲཧͷڞ௨ԽΛߦ͏ͨΊ
    

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19. ςΩετ
    ͍ͭ࢖͏Μʁ
    ▸ ͬ͘͟Γ෼͚ͯ
    ▸ 1. ಛఆͷػೳΛఏڙͤ͞ΔͨΊ
    ▸ 2. Delegate PatternΛ࣮૷͢ΔͨΊ
    ▸ 3. ॲཧͷڞ௨ԽΛߦ͏ͨΊ
    ▸ ͷࡾͭʹͳΔͱࢥ͍·͢
    

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20. 2-1.ػೳͷఏڙ
    Λͤ͞ΔͨΊ
    

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21. ςΩετ
    ػೳΛఏڙͤ͞Δʁ
    ▸ ͜͜Ͱݴ͏ػೳͱ͸
    ▸ printؔ਺Ͱ಺༰Λग़ྗ͢Δ͜ͱ͕Ͱ͖Δͱ͔
    ▸ ൺֱΛ͢Δ͜ͱ͕Ͱ͖Δ
    ▸ ͱݴ͏ҙຯʹͳΓ·͢
    ▸ લऀ͸ Printable, ޙऀ͸ Comparableͱ͍͏໊લͷProtocolͱͯ͠ఆٛ͞Ε
    ͍ͯ·͢
    ▸ ͭ·Γ࠾༻͍ͯ͠ΔProtocolΛݟΕ͹ͲΜͳػೳΛ͍࣋ͬͯΔ͔͕Θ͔Γ
    ·͢
    

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22. ςΩετ
    ࣮ࡍͷίʔυ
    ▸ XcodeͰίʔυΛॻ͖·͢
    

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23. 2-2.DELEGATE PATTERN
    Λ࣮૷͢ΔͨΊ
    

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24. ςΩετ
    DELEGATE PATTERNʁ
    ▸ Delegate Pattern ͸ϓϩάϥϜͰ࢖༻͢ΔσβΠϯύλʔϯ
    ͷҰͭͰ͢
    ▸ ୺తʹݴ͏ͱ͋ΔObject͕ߦ͏΂͖ॲཧΛผͷObjectʹݞ
    ୅ΘΓͤ͞Δ͜ͱͰ͢
    ▸ ݞ୅ΘΓ͢ΔΦϒδΣΫτΛ Delegate ͱݺͼ·͢
    ▸ ͪͳΈʹ Delegate ͸Ұൠ໊ࢺΛ௚༁͢Δͱ ҕৡ ͱͳΓ·
    ͢
    

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25. ςΩετ
    PROTOCOL·ͱΊ
    ▸ Protocol͸࣮૷ͷͳ͍ClassͷΑ͏ͳ΋ͷ
    ▸ Class ΍ Struct ͱಉ͘͡ ϝιου΍ϓϩύςΟΛఆٛ͢Δ͜ͱ͕Ͱ
    ͖Δ͕۩ମతͳ࣮૷͸ͤͣɺ࠾༻ͤͨ͞ Class ΍ Struct Ͱ࣮૷͢Δ
    ▸ جຊతʹProtocolʹఆٛ͞Ε͍ͯΔϝιου΍ϓϩύςΟ͸શ࣮ͯ
    ૷͢Δඞཁ͕͋Δ
    ▸ Protocol͸ಛఆͷػೳΛఏڙͤͨ͞Γɺ Delegate PatternΛ࣮૷͢
    ΔͨΊʹ࢖͏
    

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26. ͪΐͬͱ଴ͬͯɺ΋͠
    ͔ͯ͠΋͏Ұͭ๨Εͯ
    ͳ͍ʁ
    

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27. ςΩετ
    ΋͔ͯ͠͠: ϛϡ΢
    

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28. ςΩετ
    ΋͔ͯ͠͠: ϛϡ΢
    

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33. ଓ͖͸EXTENSION
    Ͱɾɾɾ
    

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