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Android Qのストレージの話
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napplecomputer
May 16, 2019
Technology
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Android Qのストレージの話
napplecomputer
May 16, 2019
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Transcript
"OESPJE2ͷετϨʔδͷ !OBQQMFDPNQVUFS 1
ࣗݾհ • ͳͬͽʔ • !OBQQMFDPNQVUFS • גࣜձࣾσΟʔɾΤψɾΤʔॴଐ • .07ͷϢʔβʔΞϓϦ։ൃ 2
3
࣍ 4 ετϨʔδؔ࿈ηογϣϯ 4DPQFE4UPSBHF 3PMFT
ετϨʔδؔ࿈ηογϣϯ 5
6 0WFSWJFXPG1SJWBDZ$IBOHFTJO"OESPJE2 IUUQTZPVUVCF&U#XTJ3:
7 8IBU`T/FXJO4IBSFE4UPSBHF IUUQTZPVUVCF&U#XTJ3:
4DPQFE4UPSBHF 8
#FUBͱ#FUBͷҧ͍ • #FUBͷετϨʔδʹؔ͢Δมߋ΄ͱΜͲ͕ ࣺͯΒΕɺ#FUBͰ৽͘͠ͳΓ·ͨ͠ • #FUB·ͰͷετϨʔδͷมߋΛ͍ͬͯΔਓ ཁ֬ೝͩΑʂ • ͓ͦΒ͘ΈΜͳͷϑΟʔυόοΫͷӨڹ 9
4DPQFE4UPSBHFͱ • ͬ͘͟Γݴ͏ͱαϯυϘοΫεΛ&YUFSOBM 4UPSBHFʹಋೖͨ͠ • ଞͷΞϓϦͷσʔλʹ৮Γʹ͘͘ͳͬͨ • ϢʔβʔͷΘ͔Βͳ͍ͱ͜ΖͰυΩϡϝϯτΛ౪ ΈݟΕͳ͍Α͏ʹͳͬͨ 10
11
12
ͳͥมߋͨ͠ͷʁ • ϓϥΠόγʔڧԽͷҰ • &YUFSOBM4UPSBHFͷݖݶΑ͘ΘΕ͍ͯΔ ͕ɺͦΕΏ͍͔͕͑ͭ͋͘Δ • ղܾͷͨΊɺͭͷݪଇʹैͬͯมߋ 13
มߋͷͭͷݪଇ • ΑΓྑ͍ؼଐ • ΞϓϦσʔλͷอޢ • Ϣʔβʔσʔλͷอޢ 14
ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • "OESPJE2͓ࢼ͠ظؒ • λʔήοτ4%,όʔδϣϯΛ2ʹ͍ͯͯ͠ 4DPQFE4UPSBHFΛແޮʹͰ͖Δ • λʔήοτ4%,όʔδϣϯ͕2ະຬͰ 4DPQFE4UPSBHFΛࢼͤΔ 15
16
ରԠ͠ͳ͍ͱ͍͚ͳ͍ͷʁ • 2ͷ࣍ͷόʔδϣϯ͔Βλʔήοτ4%,όʔ δϣϯʹؔͳͯ͘͢ͷΞϓϦͰ4DPQFE 4UPSBHF͕༗ޮʹͳΔ • 2ͷ͏ͪʹରԠ͓͖ͯ͠·͠ΐ͏ 17
·ͱΊ • "OESPJE2Ͱ4DPQFE4UPSBHF͕ಋೖ • ֎෦ʢڞ༗ʣετϨʔδͷ͍ํ͕େ͖͘มΘΔ ʢಛʹ.FEJB4UPSFʹೖΒͳ͍ϑΝΠϧʣ • "OESPJE2͓ࢼ͠ظؒ • 2ͷ࣍ͷόʔδϣϯͰڧ੍͞ΕΔͷͰࠓͷ͏ͪʹରԠ͠
Α͏ 18
3PMFT 19
3PMFTͷڙཆͷ 20
3PMFTͱ • "OESPJE2#FUB͔Β͋Δڞ༗ετϨʔδʹ ؔ͢Δػೳ • 5FDI#PPTUFSͷٕज़ॻయͷ৽ץʹ3PMFTʹ ؔ͢ΔهࣄΛدߘ͠·ͨ͠ 21
22
23
3PMFTͷঢ়ଶ • #FUB͕ग़ΔલʹυΩϡϝϯτ͔Βফ͍͑ͯͨ • υΩϡϝϯτͰ3PMFTΛ͍ͬͯͨ෦ EFGBVMUBQQʹมߋ • ࣮ͬͯΔ 24
25
26
27
͞ΑͳΒ3PMFT • #FUBͰ4UPSBHF෦͕ΨοπϦมߋ • EFGBVMUBQQ͢ΒΘͳ͘ͳͬͨ • ࣮ͬͯΔ 28