Take a peep at .app

How to dig into Apple's app.

Transcript

1. Take a peep at .app
   @griffin-stewie
   

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2. Fenrir Inc.
   @griffin-stewie
   

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3. Motive
   

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4. • ۀ຿಺ͰʮApple ͷ˓˓ΞϓϦ෩ͳײ͡ʯ
   • ࣮ࡍʹͲ͏΍ͬͯΔͷ͔ؾʹͳΔ
   

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5. We can do it!
   

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6. iOS Simulator ͰͳΒ
   • Xcode ͷ Attach To Process
   • ϓϩηε໊͕෼͔Ε͹͍͚Δ
   • ViewDebugging Ͱߏ଄͕෼͔Δ
   • LLDB Ͱ಺෦࣮૷͕෼͔Δ
   

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7. 1. Xcode Ͱద౰ͳϓϩδΣΫτΛ։͘
   2. γϛϡϨʔλͰ Debug Run
   3. ର৅ΞϓϦΛγϛϡϨʔλͰىಈͤ͞Δ
   4. Attach To Process
   5. ViewDebugging ։࢝
   खॱ
   

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8. How to find?
   

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9. ද໊ࣔ ϓϩηε໊
   ΧϨϯμʔBQQ .PCJMF$BM
   ࣸਅBQQ .PCJMF4MJEF4IPX
   ஍ਤBQQ .BQT
   /FXTBQQ /FXT
   ϦϚΠϯμʔBQQ 3FNJOEFST
   ϔϧεέΞBQQ )FBMUI
   8BMMFUBQQ 1BTTCPPL
   ઃఆBQQ 1SFGFSFODFT
   J.FTTBHFTBQQ .PCJMF4.4
   4BGBSJBQQ .PCJMF4BGBSJ
   ࿈བྷઌBQQ $POUBDUT
   ϗʔϜը໘ 4QSJOH#PBSE
   

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10. Demo
    

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12. Tips
    

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13. LLDBͰΰχϣΰχϣ
    • View Λબ୒
    • ӈϖΠϯ OnjectInspector ʹΞυϨε͕͋Δ
    • Console ʹίϐϖͯ͠ϝιουݺͼग़͠
    

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14. Swift Ͱ΍Ζ͏ͱ͢Δͱ
    • Framework ͷΠϯϙʔτ͕ඞཁ
    • Ωϟετ͕ඞཁ
    • ͦ΋ͦ΋ະ஌ͷΞϓϦͩͱ࿩ʹͳΒͳ͍
    

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15. ͜͜Ͱ Objective-C
    

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16. Objective-C ͳΒ
    • Framework ͷΠϯϙʔτ͕ෆཁ
    • (ิ׬͕͍Βͳ͍ͳΒ)Ωϟετ͕ෆཁ
    • ະ஌Ͱ΋ؔ܎ͳ͍
    

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17. Wrap up
    

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18. ಘΒΕͨ஌ݟ
    • Apple ͸ Container ViewController Λଟ༻͍ͯ͠
    Δ
    • UIWindow.rootViewController ͕ΧελϜ
    ViewController
    • Ϋϥε໊ͷ໋໊ͷࢀߟ
    

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19. ͓·͚
    • Ϋϥεͷ಺෦࣮૷·ͰݟΔͷ͸ςΫ͕͍Δ
    • LLDB Plugin (Chisel) ศར
    • ࣮ػͰ΋σόοάγϯϘϧ͕͋Ε͹ʁࣗ෼͕Ϗϧ
    υͯ͠ͳ͍ΞϓϦͰ΋ Attach ͯ͠ͷ͚ͧΔ
    

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