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Swiftビギナーズ勉強会（2016/11/27）

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1. υϦϧυϥΠόʔͰཧղ͢Δ
 σϦήʔτύλʔϯ SwiftϏΪφʔζษڧձ 2016/11/27 jollyjoester
2. Coming Soon ͓લ୭Αʁ ࣣౡҒ೭ ʢ@jollyjoesterʣ SwiftѪ޷ձͱ͍͏ษڧձΛఆظతʹ։࠵ Repro / ΧελϚʔαϙʔτ
4. https://repro.io/ Repro
5. Delegateʢҕৡʣ ͬͯԿʁ
6. ଟ͘ͷೖ໳ऀ͕ ͳΜͱͳ͘࢖͑Δ͚Ͳ
 ΠϝʔδΘ͔ͳ͍ આ໌Ͱ͖ͳ͍
7. ࠓճ͸ͪΐͬͱͰ΋ ΠϝʔδͰ͖ΔΑ͏ʹ ؤுΔ
8. Delegateͷ࢓૊ΈΛ࢖͍ͬͯΔ ΍ͭ
10. …ʂʁ
11. Θ͔Γʹ͍͘ͷͰ ΋͏গ͠Θ͔Γ΍͍͢΍ͭ
12. υϦϧυϥΠόʔ http://driver.diy-style.com/bit/138.html
13. …ʂʁ
14. ͱΓ͋͑ͣҕৡͱ͸͔Β ௐ΂ͯΈΑ͏
15. Delegation Delegation is a simple and powerful pattern in which one object in a program acts on behalf of, or in coordination with, another object. The delegating object keeps a reference to the other object—the delegate—and at the appropriate time sends a message to it. The message informs the delegate of an event that the delegating object is about to handle or has just handled. The delegate may respond to the message by updating the appearance or state of itself or other objects in the application, and in some cases it can return a value that affects how an impending event is handled. The main value of delegation is that it allows you to easily customize the behavior of several objects in one central object. https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1
16. Delegation Delegation is a simple and powerful pattern in which one object in a program acts on behalf of, or in coordination with, another object. The delegating object keeps a reference to the other object—the delegate—and at the appropriate time sends a message to it. The message informs the delegate of an event that the delegating object is about to handle or has just handled. The delegate may respond to the message by updating the appearance or state of itself or other objects in the application, and in some cases it can return a value that affects how an impending event is handled. The main value of delegation is that it allows you to easily customize the behavior of several objects in one central object. https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1
17. Delegation Delegation is a simple and powerful pattern in which one object in a program acts on behalf of, or in coordination with, another object. The delegating object keeps a reference to the other object—the delegate—and at the appropriate time sends a message to it. The message informs the delegate of an event that the delegating object is about to handle or has just handled… https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1 ҕৡ͸͋ΔΦϒδΣΫτ͕ผͷΦϒδΣΫτͷ୅ΘΓʹಈ࡞ͨ͠ Γௐ੔ͨ͠Γ͢ΔͨΊͷγϯϓϧͰύϫϑϧͳύλʔϯͰ͢ɻ
18. Delegation … a program acts on behalf of, or in coordination with, another object. The delegating object keeps a reference to the other object—the delegate—and at the appropriate time sends a message to it. The message informs the delegate of an event that the delegating object is about to handle or has just handled. The delegate may respond to the message … https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1 ҕৡ͢ΔΦϒδΣΫτ͸ҕৡ͞ΕΔΦϒδΣΫτͷࢀরΛ อ࣋͠ɺద੾ͳλΠϛϯάͰϝοηʔδΛૹΓ·͢ɻ
19. Delegation … The delegate may respond to the message by updating the appearance or state of itself or other objects in the application, and in some cases it can return a value that affects how an impending event is handled. The main value of delegation is that it allows you to easily customize the behavior of several objects in one central object. https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1 ҕৡͷओཁͳΦϒδΣΫτͷதͷෳ਺ͷΦϒδΣΫτͷৼ Δ෣͍Λ؆୯ʹΧελϚΠζͰ͖Δ͜ͱͰ͢ɻ
20. …ʂʁ
21. ʢԿ͕ͳΜ͔ͩ΋ͬͱ Θ͔Βͳ͘ͳ͖ͬͯ·ͨ͠Ͷɻɻɻʣ
22. σϦήʔτͷ࢓૊ΈΛ࢖͏ଆͷཱ৔͔Β DelegateͷΠϝʔδΛֶΜͰ͍͖·͠ΐ͏
23. ۩ମྫ
24. UITextFieldͰΩʔϘʔυด͡Δ
25. UITextFieldͰΩʔϘʔυด͡Δ
26. ొ৔ਓ෺Λ੔ཧͯ͠ΈΔ • ҕৡ͢ΔʢॲཧΛ͓ئ͍͢ΔʣଆɿTextField • ҕৡ͞ΕΔʢ͓ئ͍͞ΕΔʣଆɿViewController(=self) • ͓ئ͍͞Εͨͱ͖ʹॲཧ͢Δ಺༰ɿσϦήʔτϝιου • ҕৡͷϧʔϧɿUITextFieldDelegateʢϓϩτίϧʣ
27. υϦϧυϥΠόʔͩͱ http://driver.diy-style.com/bit/138.html
28. …ʂʁ
29. υϦϧυϥΠόʔઆ໌ http://driver.diy-style.com/bit/138.html
30. υϦϧυϥΠόʔͩͱ http://driver.diy-style.com/bit/138.html
31. ొ৔ਓ෺Λ੔ཧͯ͠ΈΔ • υϦϧυϥΠόʢຊମʣɿճ͢͜ͱ͸Ͱ͖Δɻճͨ݁͠ ՌԿ͕ى͜Δ͔͸஌Βͳ͍ʹϏοτ࣍ୈ • υϦϧϏοτɿυϦϧυϥΠόʹ઀ଓͰ͖ͯճ͞ΕΔ • ͜ͷ෦඼ͷܗঢ়Ͱ࣮ࡍʹԿ͔ʢ࡟Δɺ݀։͚ΔɺωδకΊΔʣ • νϟοΫɿυϥΠόͱϏοτ͕઀ଓͰ͖Δ͔ΛܾΊΔ෦ ෼ʹΠϯλʔϑΣʔε
32. ొ৔ਓ෺Λ੔ཧͯ͠ΈΔ • TextFiledɿTextFieldͰԿ͔͕ൃੜͨ͠ͱ͖ʹԿ͔΍ͬͯ ͱ͓ئ͍Ͱ͖ΔʢԿ͔͸஌Βͳ͍ʣ • ViewController(=self)ɿ͓ئ͍Λฉ͚࣮ͯࡍʹ࣮ߦͰ͖Δ • ΩʔϘʔυดͨ͡Γɺฤूத͕ऴΘͬͨΒԿ͔Λͨ͠Γ • UITextFieldDelegateɿTextField͕͓ئ͍Λฉ͚Δ͔Λܾ ΊΔϧʔϧʢ͜͜ͰܾΊΒΕͨϝιουΛ࣮૷ͯͨ͠Β ฉ͚Δʣ
33. ճΓ͘Ͳ͍͜ͱΛݴͬͯΔ͚Ͳ Կ͕ྑ͍ͷʁ
34. υϦϧυϥΠόʔ http://driver.diy-style.com/bit/138.html
35. υϦϧυϥΠόʔ http://driver.diy-style.com/bit/138.html
36. Զ͕ͨͪ΍Δ෦෼ http://driver.diy-style.com/bit/138.html
37. Զ͕ͨͪ΍Δ෦෼ http://driver.diy-style.com/bit/138.html
38. iOSʹ͓͚ΔDelegate • ෳࡶͳTextFieldͷ࢓૊Έ͸Apple͕શ෦༻ҙ • ΧελϚΠζͰ͖Δ෦෼ͷϧʔϧ΋Apple͕༻ҙͯ͘͠ ΕͯΔ • ๻Β͸෦඼Λͪΐͬ͜ͱม͑Δ͚ͩͰ͍Ζ͍Ζͳ͜ͱ͕ Ͱ͖ΔΑ͏ʹͳΔɻࠩ͠ସ͑ͨΓ΋؆୯ ※Apple͕༻ҙͯ͘͠Ε͍ͯΔͱ͜Ζ͸ ݟ͑ʹ͍͘ͷͰ࢓૊Έͷશମ૾͕Θ͔Γʹ͍͘
39. Delegation … The delegate may respond to the message by updating the appearance or state of itself or other objects in the application, and in some cases it can return a value that affects how an impending event is handled. The main value of delegation is that it allows you to easily customize the behavior of several objects in one central object. https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ Delegation.html#//apple_ref/doc/uid/TP40008195-CH14-SW1 ҕৡͷओཁͳΦϒδΣΫτͷதͷෳ਺ͷΦϒδΣΫτͷৼ Δ෣͍Λ؆୯ʹΧελϚΠζͰ͖Δ͜ͱͰ͢ɻ
40. ͔ͨ͠ʹApple͕༻ҙͨ͠࢓૊Έͷ্ʹ ։ൃऀ͕ॊೈͳΧελϚΠζ͕Ͱ͖ͯΔʂ
41. ΧελϚΠζͰ͖Δʂ
42. ࢓૊ΈΛ஌ͬͯ DelegateΛ༗ޮ׆༻͠Α͏ʂ
43. ͪͳΈʹ http://driver.diy-style.com/bit/138.html
44. એ఻
45. SwiftѪ޷ձ • Swift޷͖͕ू·ͬͯΘ͍Θ͍ʰָ͠Ήձʱ • Ϩϕϧɺܦݧ౳ෆ໰ ‣ Swift͕޷͖ͳਓʂ ‣ SwiftΛ޷͖ʹͳΔ༧ఆͷਓ ‣ Ή͠ΖSwift͔Β޷͔Ε͍ͯΔਓ • ݄̍։࠵໨ඪ ‣ ฏ೔ɿஊٛ ‣ ٳ೔ɿ଱ٱ΋͘΋͘ձʴஊٛ
46. ࣍ճʢ12݄03-04ʣ SwiftѪ޷ձ ߹॓Ͱ͢ʂ ձ৔ɿ౔ળཱྀؗʢઍ༿ʣ https://love-swift.connpass.com/event/43865/
47. ͢΂ͯख़஌Tγϟπ ൢചͯ͠·͢ʂ https://goo.gl/YWqJWS