Swift愛好会 #28

1. J04ΞϓϦ։ൃͷॳา
   SwiftѪ޷ձ #28
2. ΨΠμϯε • SwiftѪ޷ձͷ৽͍͠औΓ૊Έͱͯ͠ɺॳ৺ऀϋϯ ζΦϯΛ΍ͬͯΈΑ͏ͱ͍͏͜ͱʹͳΓ·ͨ͠ɻ • ༗ࢤʹΑΔϋϯζΦϯͱͳΓ·͢ͷͰɺࢸΒͳ͍ ఺ͳͲ͋Δ͔΋͠Ε·ͤΜɻ͝ڠྗɺ͝ཧղ͍ͨͩ ͖·͢Α͏͓ئ͍͍ͨ͠·͢ɻ
3. ࣗݾ঺հ • ࢘ձਐߦ໾ͷ঺հ • Reiko Goto(@burakon) • Satoru Ohguchi(@o_chicchi) • ϝϯλʔਞͷ঺հ • Ұݴͣͭࣗݾ঺հԼ͍͞ɻ
4. ͸͡Ίʹ • ຊ೔ͷਐΊํ • αϯϓϧϓϩάϥϜΛ׬੒͢Δ͜ͱΛΰʔϧͱ͠·͢ɻ • ࠷ॳʹ֓ཁͳͲΛઆ໌͠·͢ɻ • ͻͱ·ͱ·Γຖʹઆ໌ɺ࣮ࡍ΍ͬͯ௖͘ͷ܁Γฦ͠Ͱ͢ɻ • ਵ࣌ɺ࣭໰͍ͯͩ͘͠͞ɻ • ૢ࡞ͷ෼͔Βͳ͍఺ͳͲ͸ɺϝϯλʔʹϔϧϓΛٻΊͯ Լ͍͞ɻ • άϧʔϓͰॿ͚߹͍ͳ͕ΒਐΊ͍͚ͯͨͩΔ͜ͱ΋ظ଴͠ ͍ͯ·͢ɻ
5. άϧʔϓ୯ҐͰࣗݾ঺հ • ໊͓લɺχοΫωʔϜͰ΋Α͍Ͱ͢ɻ • ֶੜ? ࣾձਓ? • ;ͩΜ΍͍ͬͯΔ͜ͱ(࢓ࣄͷ͜ͱͱ͔ɺઐ߈ͷ͜ ͱͱ͔) • SwiftҎ֎ͷݴޠͷܦݧͱɺSwiftͷܦݧ
6. ࢀՃऀΞϯέʔτ(1) •ֶੜͰ͋Δ •ए͍ࣾձਓͰ͋Δ •΋͏ए͘ͳ͍ࣾձਓͰ͋Δ •·ͩ·ͩݩؾͳ೥دΓͰ͋Δ
7. ࢀՃऀΞϯέʔτ(2) • ࢲ͸ɺ·ͬͨ͘ͷॳ৺ऀͰɺMacΛ৮Δͷ΋ɺϓ ϩάϥϜ͢Δͷ΋ॳΊͯͩɻ(͓͓ΉͶ1೥ະຬ) • ଞͷݴޠͰͷϓϩάϥϛϯάܦݧ͸͋Δ(ઙͯ͘΋ Մ)ɺiOSͷϓϩάϥϜΛॻ͍ͯΈ͍͔ͨΒɺࠓ೔͸ དྷͯΈͨɻ • ΞϓϦΛ࡞ͬͯΈͨͯ͘ɺॻ੶ͳͲͰֶश͍ͯ͠ Δ͕ɺͳ͔ͳ͔शಘʹࢸΒͣɺۤ࿑͍ͯ͠Δɻ
8. ࢀՃऀΞϯέʔτ(3) •Apple Developer Program ʹ •ࢀՃ͍ͯ͠Δ(ొ࿥͍ͯ͠Δ) •ࢀՃ͍ͯ͠ͳ͍(ొ࿥͍ͯ͠ͳ͍)
9. ࿩͞ͳ͍͜ͱ • Swiftͷϓϩάϥϛϯά͸গ͚͔ͩ͠͠΍Γ·ͤΜɻ • Storyboard ΋গ͚͔ͩ͠͠΍Γ·ͤΜɻ • ڽͬͨϨΠΞ΢τ΍ɺਂ͍ϓϩάϥϛϯάʹ͍ͭͯ ͸ѻ͍·ͤΜɻ • ઃܭख๏ͱ͍ͬͨ͜ͱʹ͸৮Ε·ͤΜɻςετपล ͷίʔυ΋৮Ε·ͤΜɻ • ΞϓϦͷϦϦʔεʹ޲͚ͨొ࿥ํ๏ɺసૹํ๏ʹͭ ͍ͯ͸৮Ε·ͤΜɻ
10. ϓϩάϥϛϯάֶशʹ͍ͭͯ
11. ϓϩάϥϜΛश͏ಈػ • Կ͔࡞ͬͯΈ͍ͨαʔϏεɺΞϓϦ͕͋ͬͯɺͦ ͷͨΊʹֶश͢Δɻ • ब৬ɺస৬׆ಈʹ༗ར͔ͩΒɺֶशͯ͠༗རʹਐ Ί͍ͨɻ • Ͱ΋ɺαʔϏε΍ΞϓϦΛ׬੒ͤ͞Δ͜ͱ͕ॏཁ ͰɺʮJavaΛश͍ͬͯ·͢ʯͱ͍͏ΑΓɺ੒Ռ෺͕ ͋Δ΄͏͕Α͍ɻ
12. ϓϩάϥϛϯάݴޠʹ͍ͭͯ • Ͳͷݴޠ͔Βೖͬͯ΋ɺͲΕͰ΋͍͍ͱࢥ͏ɻͰ ΋ɺࠓ೔͸ɺSwiftɻSwift ͸ਪ঑Ͱ͖ΔɺΑ͘Ͱ͖ ͨݴޠͩͱࢥ͏ɻ • ಘҙͳݴޠΛɺ1ͭ࣋ͭ͜ͱ͕ॏཁɻಘҙͳݴޠΛ ෳ਺ʹͰ͖ͨΒɺͰ͖Δ͜ͱ͕޿͕Δɻ • 1ͭͷݴޠΛशಘͰ͖Ε͹ɺଞͷݴޠʹ޿͍͛ͯ͘ ͜ͱ͸ɺͦΜͳʹ೉͘͠ͳ͍ɻ
13. ϓϩάϥϛϯάֶशͷίπ • ίϐʔ&ϖʔετ͚ͩͰ͸ɺͳ͔ͳֶ͔श͸೉͍͠ɻ • ࣮ࡍʹɺλΠϓͯ͠ɺಈ͖Λ֬ೝ͠ͳ͕Β΍Δͷ͕ Α͍ɻ • ͳͥɺ͜͏ಈ͘ͷ͔ɺϩδοΫ͕Ͳ͏ͳ͍ͬͯΔͷ ͔ɺཧղͯ͠ਐΊΔ͜ͱ͕ॏཁɻࢴʹॻ͍ͯΈͨΓɺ ੔ཧͯ͠ΈͨΓɻ • ޠֶͱҰॹͰগͣͭ͠Ͱ΋ຖ೔ɺຊಡΜͩΓɺ৮Ε ͨΓ͢Δ͜ͱ͕ਐาʹܨ͕Δɻ
14. ݸਓతʹ͸… • ϓϩάϥϛϯά͸ɺࠓޙɺখֶੜͷΧϦΩϡϥϜʹ ೖ͖ͬͯͯ޿͕͍ͬͯ͘͜ͱ͕༧૝͞ΕΔɻجຊ஌ ࣝͷྖҬʹۙ͘ͳ͍ͬͯ͘ͱࢥ͏ɻ • ΞϓϦΛ࡞ͬͨΓɺશੈքʹϦϦʔεͰ͖ͨΓ͢Δ ࢓૊Έ͸໘ന͍ɻपล஌ࣝ͸͍Ζ͍ΖඞཁͰ͕͢ɺ νϟϨϯδ͢ΔՁ஋͸͋Γ·͢ɻ • ੲ͔Βɺίϯϐϡʔλʔ͕޷͖ͳਓͱͯ͠͸ɺίϯ ϐϡʔλʔ΍ϓϩάϥϛϯά͕ɺ޷͖ʹͳͬͯ͘Ε Δਓ͕ҰਓͰ΋૿͑ͨΒخ͍͠ɻ
15. ΞϓϦΛϦϦʔε͢Δ্Ͱͷ੍໿
16. ΞϓϦΛϦϦʔε͢Δ্Ͱͷ੍໿ࣄ߲(1) •ϦϦʔεʹ͸৹͕ࠪ͋Γ·͢ɻ •ΨΠυϥΠϯ •https://developer.apple.com/app-store/review/guidelines/jp/ • ܦݧଇ • ؆୯ͳΞϓϦ͸৹ࠪʹ௨Βͳ͍͜ͱ͕͋Γ·͢ɻ • SNSͰͷγΣΞػೳΛ෇͚ΔͳͲɺ޻෉͕ඞཁͰ͢ɻ • ஶ࡞ݖ • ը૾΍ԻָͳͲΛ࢖༻͢Δ৔߹͸ɺݖརʹ஫ҙ͢Δඞཁ͕͋Γ·͢ɻ • ΞϓϦͷλΠτϧ໊΋ؚΊͯؾΛ͚ͭΔඞཁ͕͋Γ·͢ɻ
17. ΞϓϦΛϦϦʔε͢Δ্Ͱͷ੍໿ࣄ߲(2) • iOS11޲͚ʹ࡞Δ৔߹ɺiOS11͕αϙʔτ͞Ε͍ͯ Δ୺຤શͯͰਖ਼ৗʹಈ࡞͢Δඞཁ͕͋Γ·͢ɻ • ྫ͑͹ɺiPhone5SҎ্Ͱಈ࡞͢Δඞཁ͕͋Γ·͢ɻը໘ αΠζ΋શͯαϙʔτ͞ΕΔඞཁ͕͋Γ·͢ɻ • Apple Developer Program ΁ͷࢀՃ͕ඞཁͰ͢ɻ • ೥ؒͰɺ1ສԁલޙ͔͔Γ·͕͢ɺϓϩάϥϜͷࢀՃ͕ ඞཁͰ͢ɻ
18. ࡞ΔϓϩάϥϜͷΞΠσΟΞ • ϓϩάϥϜΞΠσΟΞ͸ɺϦϦʔεͷཁ݅΋౿·͑ ͯɺߟ͑ͨ΄͏͕͍͍ͱࢥ͏ɻ • खॻ͖ͰɺΞΠσΟΞΛॻ͍ͯΈͯɺͦͷ͋ͱɺ ը໘ભҠΛ૝૾ͯ͠Έͯɺ؆୯ͳϑϩʔΛॻ͍ͯɺ ϓϩάϥϜʹམͱͤΔ͔ߟ͑Δͱɺ͏·͍͖͘΍͢ ͍ɻ • ΞΠσΟΞͷ࣌఺Ͱɺܦݧऀʹฉ͘ͷ΋ΞϦͩͱ ࢥ͏ɻੋඇɺࠓճͷ৔ͳͲΛར༻ͯ͠Լ͍͞ɻ
19. Xcodeͷॳظઃఆ
20. XcodeΛىಈ͢Δ • ΞϓϦέʔγϣϯ → Xcode ͱબΜͰىಈ
21. ઃఆը໘Λબ୒ w 9DPEF
    ˠ
    1SFGFSFODFT
    ͱબΜͰىಈ
22. Xcodeͷॳظઃఆ(1) • Accounts Λબ୒͢Δɻ
23. Xcodeͷॳظઃఆ(1) • ࠨԼʹ͋ΔʮʴʯΛબ୒͢Δɻ
24. Xcodeͷॳظઃఆ(1) • Apple ID Λબ୒͠ɺContinue Λબ୒͢Δɻ
25. Xcodeͷॳظઃఆ(1) • AppleIDͷΞΧ΢ϯτΛઃఆ͠ɺSign In Λબ୒͢Δɻ
26. Xcodeͷॳظઃఆ(2) •ߦදࣔΛग़͢ Text Editing ͷதͷ Line Number Λબ୒͢Δɻ
27. Xcodeͷॳظઃఆ(3) w %PVCMF
    $MJDL
    /BWJHBUJPO
    Λઃఆ͢Δɻ
28. Hello World Λग़ͯ͠ΈΔ
29. ϓϩδΣΫτΛ࡞੒͢Δ • File → New → Project
30. ΞϓϦͷλΠϓΛબ୒͢Δ • Single View App → Next Λબ୒
31. ϓϩδΣΫτͷඞཁࣄ߲Λઃఆ •ҎԼͷΑ͏ʹهೖͯ͠ɺNext Λબ୒ɻ
32. อ؅ઌΛબ୒ • อ؅৔ॴΛઃఆͯ͠ɺʮCreateʯΛબ୒͢Δɻ
33. Storyboard Λબ୒ •Xcode͕։͘ͷͰɺStoryboard Λબ୒
34. SafeAreaΛબ୒ •Safe Area Λબ୒͢Δ
35. Hello World ͷϥϕϧΛ഑ஔ͢Δ • Xcode ͷӈԼʹ͋Δը໘ͷը໘Ͱɺʮshow the object libraryʯΛબ୒ • Filter ʹ Label ͱೖྗ • Label ͕දࣔ͞ΕΔ͜ͱΛ֬ೝ
36. Hello World ͷϥϕϧΛ഑ஔ͢Δ
37. Hello World ʹจࣈྻΛॻ͖׵͑Δ
38. ੍໿Λઃఆ͢Δ
39. ԼهͷΑ͏ʹͳ͍ͬͯΔ͜ͱΛ֬ೝ
40. Ϗϧυ࣮ͯ͠ߦͯ͠ΈΔ • iPhoneX ͷγϛϡϨʔλʔΛબΜͰʮ⾣ʯΛબ୒͢Δɻ
41. Playground Λىಈ͢Δ
42. Playground • ௚༁͢Δͱɺ༡ͼ৔ͱ͍͏ҙຯͰɺίʔυͷ࿅श Λ͢Δʹ͸࠷దͳπʔϧɻ • Swift ͷίʔυΛͪΐͬͱ֬ೝ͍ͨ͠ͱ͍͏࣌ʹ ͸ɺ׆༻͠·͠ΐ͏ɻ
43. ىಈํ๏ • File → New → Playground
44. ىಈํ๏ •iOS → Blank → Next ͱબ୒͢Δɻ
45. ىಈํ๏ •อ؅৔ॴΛઃఆͯ͠ɺʮCreateʯΛબ୒
46. ىಈํ๏ • ҎԼͷΑ͏ʹىಈ͢Δ
47. Swift ͷओͳॻ͖ํ
48. ม਺ͱఆ਺ • ม਺ • ஋ΛهԱ͢ΔͨΊͷശͷΑ͏ͳ΋ͷ • ఆ਺ • ஋ΛهԱ͢ΔശͷΑ͏ͳ΋ͷɺ͋ͱ͔ΒมߋͰ͖ͳ͍ ม਺ͷܕʹ͸ɺओʹɺ ҎԼͷΑ͏ͳ΋ͷ͕͋Δɻ Intܕ Floatܕ Doubleܕ Stringܕ Boolܕ
49. ܕਪ࿦ •ϓϩάϥϜͷจ຺͔Β҉໧తʹܕΛܾఆͯ͘͠ΕΔ •ܕΛΈ͍ͨͱ͖͸ɺ type(of: ม਺໊)
50. ม਺΍ܕͰؾΛ͚ͭΔϙΠϯτ • ఆ਺͸஋ͷ࠶୅ೖ͸Ͱ͖ͳ͍ • let Λ࢖ͬͨ΋ͷ͸࠶୅ೖͰ͖ͳ͍ • ҧ͏ܕͷ஋͸ೖΕΔ͜ͱ͕Ͱ͖ͳ͍
51. Optional • ม਺ͷ஋͕ɺnil Ͱ͋Δ͜ͱͱɺจࣈྻͷ ”” ΍ɺม਺ ͕ɺ0 Ͱ͋Δ͜ͱ͸ҟͳΔɻ • SwiftͰ͸ɺOptionalܕͱͯ͠ɺ”?”Λ࢖ͬͯ໌ࣔ͢Δɻ • ໌֬ͳཧ༝͕͋Δͱ͖ͷΈ࢖͍·͠ΐ͏ɻ 8 /774 5007 32 2 010 07.2
52. ഑ྻ •ҎԼͷΑ͏ʹهड़͢Δ •஋ΛॳظԽ͢Δ৔߹͸ɺ[] ͷؒʹ஋Λฒ΂Δ
53. ؔ਺ •ఆٛํ๏ •ίʔυྫ . ( 1 : 2 ,)-., >
54. Ϋϥε w ҎԼʹαϯϓϧΛࣔ͢
55. ܧঝ •ҎԼʹαϯϓϧΛࣔ͠·͢ɻ •class Ϋϥε: εʔύʔΫϥε { } ͷΑ͏ʹهड़͢ Δɻ
56. ·ͱΊ •࣌ؒͷؔ܎ͰɺऔΓ্͍͛ͯͳ͍͜ͱ͕ଟ਺͋Γ·͢ɻ • Switchจ • forจ • whileจ • ߏ଄ମ • είʔϓ • Ψʔυ • ϓϩτίϧ •…ͳͲͳͲ •Swiftͷॻ੶΍ɺAppleͷυΩϡϝϯτΛੋඇಡΜͰΈͯԼ͍͞ɻ
57. ΫΠζΞϓϦ
58. ૉࡐͷμ΢ϯϩʔυ • ΫΠζͷ໰୊ͷcsvٴͼɺը૾Λ༻ҙͨ͠ͷͰɺμ ΢ϯϩʔυ͓ئ͍͠·͢ɻ
59. Xcode Ͱ৽͍͠ϓϩδΣΫτΛ։͘
60. શମͷྲྀΕͷઆ໌ • ࠓճͷΞϓϦͷશମతͳྲྀΕΛҎԼʹࣔ͠·͢ɻ ? ?
61. 4UPSZ#PBSE
62. ը໘ͷૉࡐΛొ࿥͢Δ •ը໘ͷૉࡐΛ഑ஔ͢Δɻ
63. ViewControllerͷ഑ஔ • StoryBoard Λબ୒ͯ͠ɺදࣔ͠ɺViewController Λ഑ஔ͢Δɻ
64. ֤ը໘༻ͷίʔυΛ४උ w 'JMFΛબ୒͠·͢ɻ
65. ֤ը໘༻ͷίʔυΛ४උ w $PDPB
    5PVDI
    Λબ୒͢Δ
66. w ΫϥεΛࢦఆ͠·͢ɻ2VJ[7JFX$POUSPMMFSͱࢦఆ͢Δɻ ֤ը໘༻ͷίʔυΛ४උ
67. ֤ը໘༻ͷίʔυΛ४උ w ʮ$SFBUFʯΛબ୒͠·͢ɻ
68. ֤ը໘༻ͷίʔυΛ४උ w ಉ༷ʹɺ3FTVMU7JFX$POUSPMMFSΛ࡞੒͠·͢ɻ
69. $VTUPN$MBTTͷࢦఆ w ֤ετʔϦʔϘʔυʹࢦఆ͠·͢ɻ
70. $VTUPN$MBTTͷࢦఆ w ಉ༷ʹɺ3FTVMU7JFX$POUSPMMFS΋ࢦఆ
71. ෦඼഑ஔ
72. શମ׬੒ਤ
73. τοϓը໘ w *NBHF7JFXͱ#VUUPOΛ഑ஔ͠·͢ɻ
74. ΫΠζදࣔը໘ w ҎԼ഑ஔ͠·͢ɻ
    w ϥϕϧ͇
    w Ϙλϯ͇
    w UBH
    Λઃఆ
    w *NBHF7JFXº
75. ݁Ռදࣔը໘ w ҎԼΛ഑ஔ͠·͢ɻ
    w *NBHF7JFX
    w ϥϕϧ
    w Ϙλϯ
76. ֤ը໘ͷඥ෇͚ w ελʔτϘλϯ͔Βɺ 2VJ[7JFX$POUSPMMFS ΁Ή͔ͬͯɺTFHVF
    Λઃఆ͢Δɻ
77. ը໘ͱͷඥ෇͚ w 2VJ[7JFX$POUSPMMFS ͔Βɺ 3FTVMU7JFX$POUSPMMFS ʹ޲͔ͬͯɺTFHVF
    Λઃఆ͢Δɻ
78. ը໘ͱͷඥ෇͚ w *EFOUJpFS
    Λఆٛ͢Δ
79. 2VJ[7JFX$POUSPMMFSͷιʔεͱͷඥ෇͚
80. 2VJ[7JFX$POUSPMMFSͷιʔεͱͷඥ෇͚
81. 3FTVMU7JFX$POUSPMMFSͷιʔεͱͷඥ෇͚
82. ϓϩάϥϛϯά
83. ม਺Λఆٛ // ໰୊Λ֨ೲ var csvArray:[String] = [] // औΓग़ͨ͠໰୊Λ֨ೲ var questionArray:[String] = [] // ม਺ var questionCount = 0 // ग़୊਺ var correctCount = 0 // ਖ਼ղ // ఆ਺ let total = 3 // ग़୊਺ let waitQuestion = 0.8 // දࣔͷִؒ
84. ໰୊ΛDTW͔Β഑ྻʹ // CSVϑΝΠϧͷಡΈࠐΈ func loadCSV(filename : String)->[String] { // ฦ٫஋ͷॳظԽ var csvStr:[String] = [] // CSVΛಡΈࠐΜͰArrayʹ if let csvPath = Bundle.main.path(forResource: filename, ofType: "csv") { do { var csvData = try String(contentsOfFile: csvPath, ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹencoding: String.Encoding.utf8) csvData = csvData.replacingOccurrences(of: "\n", with: "") csvStr = csvData.components(separatedBy: .newlines) } catch let error as NSError { print(error.localizedDescription) } } return csvStr }
85. ໰୊දࣔ // ໰୊දࣔ func nextProblem() { // questionArrayͷॳظԽ questionArray.removeAll(keepingCapacity: true) if questionCount < total { // questionArrayʹ৽ن໰୊Λ֨ೲ questionArray = csvArray[questionCount].components(separatedBy: ",") // දࣔ಺༰Ληοτ quizNumberLabel.text = "ୈ\(questionCount+1)໰" quizQuestion.text = questionArray[0] uiButton1.setTitle(questionArray[2], for: .normal) uiButton2.setTitle(questionArray[3], for: .normal) uiButton3.setTitle(questionArray[4], for: .normal) uiButton4.setTitle(questionArray[5], for: .normal) } else { // ໰୊Λશͯදࣔͨ͠ޙͷॲཧ(ޙͰهड़) } } }
86. ճ౴Λબ୒ͨ͠Β൑ఆ // ਖ਼ޡ൑ఆ @IBAction func btnAction(_ sender: UIButton) { // ਖ਼ղͱϘλϯͷλά൪߸͕ಉ͡ͳΒਖ਼ղ if sender.tag == Int(questionArray[1]) { answerImage.image = UIImage(named: "correct.png") correctCount += 1 } else { answerImage.image = UIImage(named: "incorrect.png") } // ճ౴දࣔͷ༗ޮԽ(0.8ඵؒ) answerImage.isHidden = false DispatchQueue.main.asyncAfter(deadline: .now() + waitQuestion) { self.answerImage.isHidden = true } // ࣍ͷ໰୊จݺͼग़͠ questionCount += 1 nextProblem() }
87. ը໘ભҠΛهड़ w 4FRVF
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    w ը໘ભҠΛ͢Δ // Segue Ͱ஋Λ౉͢ override func prepare(for segue: UIStoryboardSegue, sender: Any?) { let sVC: ResultViewController = (segue.destination as? ResultViewController)! sVC.correct = correctCount } // Storyboard Segue ͷ Identifier ΛҾ਺ʹఆٛͯ͠ը໘ભҠ DispatchQueue.main.asyncAfter(deadline: .now() + waitQuestion) { self.performSegue(withIdentifier: "toResultViewController", sender: nil) }
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89. ը໘Λ໭ΔఆٛΛ͢Δ ViewControllerʹҎԼɺ௥ه͠·͢ɻ @IBAction func unWindSegue(_ sender: UIStoryboardSegue) { print("topwindow") }
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