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リリースビルドでのみ起こる謎のバグに見舞われた話
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PKPK-Carnage
September 17, 2019
Programming
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リリースビルドでのみ起こる謎のバグに見舞われた話
PKPK-Carnage
September 17, 2019
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Transcript
ϦϦʔεϏϧυͰͷΈى͜Δ ṖͷόάʹݟΘΕͨ 2019/9/17 ͋Δ͋ΔLTʙεϚϗΞϓϦ։ൃΤϯδχΞʙ Vol.6 1
About me • iOSྺ3 • μϒϧϑϩοά • Qiita → @fr0g_fr0g
• Github → Frog-Frog • Twitter → @fr0g_fr0g
ͱ͋ΔΞϓϦɺόάΒͤͯ͏ͨ 3
Կ͕όά͍ͬͯͨͷ͔ʁ 4
Կ͕όά͍ͬͯͨͷ͔ʁ 5
දࣔ͞ΕΔͣͷʮUPʯͷը૾͕ग़ͯͳ͍ 6
͙֬͢ೝ͠·͢ 7
͋Εʁ 8
ͪΌΜͱग़ͯΔ 9
ϦϦʔε൛ͰϏϧυͯ͠ΈΔ 10
11
Ͳ͏ΒϦϦʔε൛ͷϏϧυʹͳΔͱग़ͳ͍ͬΆ͍ 12
ߟ͑ΒΕΔݪҼ • ίʔυ͕ؒҧͬͯΔ • αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ • ը૾ͷϦιʔε͕ൈ͚མͪͯΔ 13
ίʔυ͕ؒҧͬͯΔʁ 14 enum AppearanceType { case none case new case
update case smallUpdate case freeVolume(Int) init(_ badge: TitleBadge) { switch badge { case .none, .unrecognized: self = .none case .new: self = .new case .update: self = .update } } }
ؒҧͬͯͳͦ͞͏ 15
ߟ͑ΒΕΔݪҼ • ίʔυ͕ؒҧͬͯΔ • αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ • ը૾ͷϦιʔε͕ൈ͚མͪͯΔ 16
αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ʁ 17 enum AppearanceType { case none case new case
update case smallUpdate case freeVolume(Int) init(_ badge: TitleBadge) { switch badge { case .none, .unrecognized: self = .none case .new: self = .new case .update: self = .update } } }
αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ʁ 18
ఆ௨Γͷσʔλ͕ೖ͖ͬͯͯΔ 19
ߟ͑ΒΕΔݪҼ • ίʔυ͕ؒҧͬͯΔ • αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ • ը૾ͷϦιʔε͕ൈ͚མͪͯΔ 20
ը૾ͷϦιʔε͕ൈ͚མͪͯΔʁ 21 ΞϓϦͷλʔήοτ
ͪΌΜͱϦιʔεؚ·ΕͯΔ 22
ߟ͑ΒΕΔݪҼ • ίʔυ͕ؒҧͬͯΔ • αʔόʔ͔ΒͷϨεϙϯε͕ਖ਼͘͠ͳ͍ • ը૾ͷϦιʔε͕ൈ͚མͪͯΔ • Xcode͕όάͬͯΔͷͰɾɾɾʁ 23
24
Xcode͕όάͬͯΔʁ • σϑΥϧτͰReleaseϏϧυʹઃఆ͞Ε͍ͯΔ࠷దԽΛߦ͏ࡍʹό ά͕ൃੜ͢Δ • ReleaseϏϧυͷOptimization LevelΛNoneʹઃఆ͢Δͱਖ਼͘͠ಈ͘ • ύϑΥʔϚϯεʹӨڹ͕ग़ΔͷͰɺ͕͢͞ʹΓͨ͘ͳ͍ɻ •
Xcode10.2ͰͷΈى͜Δ 25
26
27
Ξοϓσʔτͨ͠ΒͪΌΜͱͬͨɾɾɾ 28
·ͱΊ • Xcode10.2࠷దԽ(Optimization Level)ʹόά͕͋ΓɺͦΕʹΑͬͯ ࠷దԽͨ͠ϏϧυͰఆ֎ͷಈ࡞Λ͢Δ͜ͱ͕͋Δ • ࠓճදࣔ͞ΕΔͣͷͷ͕ɺදࣔ͞Εͳ͍͚ͩͰࡁΜ͕ͩɺࠜװ ʹؔΘΔϩδοΫͩͱͦ͏ͳόάͩͬͨ • ݕূதDebugϏϧυͰಈ࡞֬ೝ͍ͯͨͨ͠Ίɺൃݟ͕Εͨ
• XcodeͷΞοϓσʔτΛͪΌΜͱ֬ೝ͠Α͏ 29
͓ΘΓ 30