iOSDC_SwiftUI_Text

iOSDC Japan 2021でLT登壇した資料です

Transcript

1. "UTVZB
   4BUP 4XJGU6*5FYUΛ࢖͍͜ͳ͢෼ؒ J04%$
   +BQBO
   
   
   %BZ
   -5
2. J04%$
   +BQBO
    Ұ෦෼͚ͩ
   #PMEͷςΩετ
   Ͳ͏࣮૷͢Δʁ
3. HStack(spacing: 8) { Text("iOSDC").bold() Text("Japan 2021") } ۪௚ʹ)4UBDLΛ࢖ͬͯ J04%$
   +BQBO
   
4. HStack(spacing: 8) { Text("Hello, iOSDC!").bold() Text("௕͍௕͍௕͍௕͍ςΩετ") } )FMMP
   J04%$ ௕͍௕͍௕͍ ௕͍ςΩετ
5. Text("iOSDC").bold() + Text(" ") + Text("Japan 2021") ͜͏͍͏෩ʹ΋ॻ͚Δ J04%$
   +BQBO
   
6. Text("Hello, iOSDC!").bold() + Text(" ") + Text("௕͍௕͍௕͍௕͍ςΩετ") )FMMP
   J04%$
   ௕͍௕͍௕ ͍௕͍ςΩετ
7. 5FYUΛ ԋࢉࢠͰ݁߹͢Δ Text("iOSDC").bold() + Text(" ") + Text("Japan 2021") w 4XJGU6*
   ʹ
   QVCMJD
   TUBUJD
   GVOD
   
   MIT
   5FYU
   SIT
   5FYU
   
   5FYU
   
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   w J04
   ʙͰར༻Մೳ
8. J04%$
   +BQBO
    *NBHFͱ5FYUͷηοτ
   ύλʔϯ
9. Text(Image(systemName: "heart")) .foregroundColor(.pink) + Text(" ") + Text("iOSDC").bold() + Text(" ") + Text("Japan 2021") ͖ͬ͞ͷԠ༻ͯ͜͠͏ॻ͚Δ J04%$
   +BQBO
   
10. Text(Image(systemName: "heart")) .foregroundColor(.pink) + Text(" ") + Text("iOSDC").bold() + Text(" ") + Text("Japan 2021") *NBHFΛ5FYUͰϥοϓ͢Δ w 4XJGU6*5FYU
    ʹ
    QVCMJD
    JOJU @
    JNBHF
    *NBHF
    ͕༻ҙ͞Ε͍ͯΔͷͰɺ͜͏͍͏ॻ͖ํ͕Ͱ͖Δ
    w J04
    ʙ
    Ͱར༻Մೳ
11. Text(" \(Text(Image(systemName: "heart")) .foregroundColor(.pink))□ \(Text("iOSDC").bold())□ Japan□2021 ") ͞Βʹ͜͏͍͏෩ʹ΋ॻ͚Δ ˞දࣔྖҬͷؔ܎ͰվߦΛೖΕͯɺۭനΛ˘ʹ͍ͯ͠·͢ J04%$
    +BQBO
    
12. จࣈྻิ׬Λ֦ுͨ͠ॻ͖ํ w ͬ͘͟Γݴ͏ͱɺ4XJGU6*Ͱఆٛ͞Ε͍ͯΔ
    QVCMJD
    NVUBUJOH
    GVOD
    BQQFOE*OUFSQPMBUJPO @
    UFYU
    5FYU
    ʹΑͬͯՄೳʹͳ͍ͬͯΔॻ͖ํ
    w J04
    ʙ
    Ͱར༻Մೳ Text(" \(Text(Image(systemName: "heart")) .foregroundColor(.pink))□ \(Text("iOSDC").bold())□ Japan□2021 ") w ͪͳΈʹ
    QVCMJD
    NVUBUJOH
    GVOD
    BQQFOE*OUFSQPMBUJPO @
    JNBHF
    *NBHF
    ΋༻ҙ͞Ε͍ͯΔͷͰ
    
    w 5FYU a *NBHF TZTUFN/BNF
    BQQMFMPHP
    "QQMF
    Έ͍ͨͳॻ͖ํ΋Ͱ͖Δ
13. จࣈྻิ׬Λ֦ுͨ͠ॻ͖ํͷิ଍
    w 4XJGU6*5FYU
    ͸
    QVCMJD
    JOJU @
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    UBCMF/BNF
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    CVOEMF
    #VOEMF
    
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    DPNNFOU
    4UBUJD4USJOH
    
    OJM
    ΛΠχγϟϥΠβͱ͍ͯ࣋ͬͯ͠ Δ
    w 5FYU J04%$
    ͷΑ͏ʹॻ͍ͨ࣌ʹ
    J04%$
    ͷܕ͸
    -PDBMJ[FE4USJOH,FZ
    ʹͳΔ
    w -PDBMJ[FE4USJOH,FZ
    ͸
    &YQSFTTJCMF#Z4USJOH*OUFSQPMBUJPO
    ʹ४ڌ͢ΔܕͰ
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    ʹ४ڌͨ͠ܕ
    4USJOH*OUFSQPMBUJPO
    Λ಺෦తʹ͍࣋ͬͯΔ
    w 4XJGU6*ʹఆٛ͞Εͨ
    BQQFOE*OUFSQPMBUJPO
    ʹΑͬͯΧελϚΠζ͞Εͨจࣈྻิ׬Λར ༻Ͱ͖Δ Text(" \(Text(Image(systemName: "heart")) .foregroundColor(.pink))□ \(Text("iOSDC").bold())□ Japan□2021 ")
14. ߹ܭ
     
    ԁ ܻ۠੾Γจࣈྻ΋
    ͍͍ײ͡ʹʜ
15. Text("߹ܭ \(amount)ԁ") ܻ۠੾Γจࣈྻͷදࣔ͸/VNCFS'PSNBUUFSແ͠Ͱ͍͍ ߹ܭ
     
    ԁ
16. จࣈྻิ׬Λ֦ுܻͨ۠͠੾Γ w ͬ͘͟Γݴ͏ͱɺ4XJGU6*Ͱఆٛ͞Ε͍ͯΔ
    QVCMJD
    NVUBUJOH
    GVOD
    BQQFOE*OUFSQPMBUJPO5 @
    WBMVF
    5
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    5
    
    @'PSNBU4QFDJpBCMF
    ʹΑ ͬͯՄೳʹͳ͍ͬͯΔॻ͖ํ
    w J04
    ʙ
    Ͱར༻Մೳ Text("߹ܭ \(amount)ԁ")) w ͪͳΈʹ
    QVCMJD
    NVUBUJOH
    GVOD
    BQQFOE*OUFSQPMBUJPO5 @
    WBMVF
    5
    TQFDJpFS
    4USJOH
    XIFSF
    5
    
    @'PSNBU4QFDJpBCMF
    Λ༻͍ͯϑΥʔϚοτࢦఆ͢Δ͜ͱ΋Մೳ
    • Text("\(pi, specifier: “%.2f")") ͷΑ͏ʹॻ͘ͱখ਺఺Լ2ܻͷϑΥʔϚοτʹͳΔ
17. จࣈྻิ׬Λ֦ுܻͨ۠͠੾Γͷิ଍ Text("߹ܭ \(amount)ԁ")) w ࢓૊Έ͸ઌ΄Ͳઆ໌ͨ͠
    BQQFOE*OUFSQPMBUJPO
    ʹΑΔจࣈྻิ׬ͷ֦ு
    public protocol _FormatSpecifiable : Swift.Equatable { associatedtype _Arg : Swift.CVarArg var _arg: Self._Arg { get } var _specifier: Swift.String { get } } w *OU
    ΍
    %PVCMF
    ͳͲͷ਺஋ܕ͕
    @'PSNBU4QFDJpBCMF
    ʹ४ڌ͓ͯ͠Γɺࢦఆ͞ Εͨ
    @TQFDJpFS
    ʹΑͬͯɺ਺஋ܕͷϑΥʔϚοτ͕ߦΘΕ͍ͯΔ
18. 'SJ
    
    &BSMZ
    #JSE
    4VQQPSUFS
    BOE
    3FHVMBS ͪͳΈʹɺJ04
    ͔Β͸'PSNBU4UZMF΋ར༻Մೳʹ
19. Text(iOSDC2021.startedAt, format: .dateTime .month(.defaultDigits) .day() .weekday() ) ͪͳΈʹɺJ04
    ͔Β͸'PSNBU4UZMF΋ར༻Մೳʹ 'SJ
     &BSMZ
    #JSE
    4VQQPSUFS
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    3FHVMBS Text(iOSDC2021.ticketKinds, format: .list(type: .and) )
20. 4XJGU6*5FYUͰ'PSNBU4UZMFΛ࢖͏ w 4XJGU6*5FYUʹ༻ҙ͞Ε͍ͯΔ
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    4USJOH
    Λ ར༻Ͱ͖Δ
    w J04
    ʙ
    Ͱར༻Մೳ
21. w 5XJUUFS
    !O@BUNBSL
    w ॴଐ
    ΫοΫύουגࣜձࣾ
    w ΫοΫύουΞϓϦ J04"OESPJE ͷ։ൃ ࣗݾ঺հ ࠤ౻
    ರ໵
    ͋ͭ΍