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Yosuke Fujii
September 28, 2019
Programming
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410
arap_osaka_1
Yosuke Fujii
September 28, 2019
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Transcript
AndroidΞϓϦ ύϑΥʔϚϯενϡʔχϯά @syo_sa1982
• ͠ΐʔ͞(౻Ҫ ཅհ) • Twitter:@syo_sa1982 • GitHub:@syo-sa1982 • ωΫετΠϊϕʔγϣϯגࣜձࣾॴଐ •
Androidྺ1͘Β͍ • ࠷ۙαʔόʔαΠυKotlinΛษڧத • ΫϥϑτϏʔϧ͖
αʔϏεͷհ IUUQTTVNBMVOBDPN
2019-07-29 αʔϏεϩʔϯν
ύϑΥʔϚϯεվળΛ ߦ͏ࣄʹͳΔ·Ͱͷ
ϦϦʔεલͷϢʔβʔςετʹͯʜ ͳΜ͔ΞϓϦॏ͘ͳ͍ʜʁ ը໘ͷભҠ͍࣌͠ʑݻ·Δ
ϦϦʔεޙ ΜΜʁετΞͷධՁʹΞϓϦىಈͰ͖ͳ͍ ͱ͔ॻ͔ΕͯΔʁʁ ຊ൪ΞϓϦಈ͍ͯͳ͍Ϣʔβʔ͕͓Δʁ
ൃੜͨ͠ύϑΥʔϚϯε՝ • ࣄྫ1:ը໘ભҠɾද͕ࣔඇৗʹ͍ • ಛʹBottomNavigationͷΓସ͕͍͑ • ભҠޙʹϑϦʔζ͢Δ͜ͱ • ࣄྫ2:ىಈޙʹΫϥογϡ͢Δ •
Ϣʔβʔ͔ΒͷධՁͰൃ֮ • ಛఆͷέʔεͰൃੜ͍ͯͨ͠
ࣄྫ ը໘ભҠɾද͕͍ࣔ ͷௐࠪͰͬͨ͜ͱ
·ͣܭଌɻ
·ͣܭଌɻ ϓϩϑΝΠϥΛ ىಈͤͯ͞ܭଌ
·ͣܭଌɻ
• CPU • CPUͷ༻ͱ ༻࣌ؒͷܭଌ • Memory • ϝϞϦ༻ྔͱ ֤ݺͼग़͠ͷϝϞϦ
༻ྔͷܭଌͳͲ • Network • ωοτϫʔΫͷෛՙ
ࠓճͷࣄྫͰ ʮͲ͜Ͱॲཧʹ͔࣌ؒ ͔ͬͯΔͷ͔ʯ Λಥ͖ࢭΊΔͨΊʹ CPUͷΈΛܭଌ
None
RecordϘλϯΛԡ͔ͯ͠Β ࣮ࡍʹΞϓϦΛಈ͔ͯ͠CPUͷಈ͖Λܭଌ
None
ॲཧʹֻ͕͔͍࣌ؒͬͯͯͭɺ ϓϩδΣΫτͰ࣮ͨ͠ϝιουΛ୳͢
Ͱɺॏ͘ͳ͍ͬͯͨݪҼԿͩͬͨͷ͔ʁ • ηΩϡΞใΛSharedPreferences͔Βࢀর ͢Δ࣌ʹॏ͘ͳ͍ͬͯͨɻ • ηΩϡΞใΛѻ͏ϥΠϒϥϦͷ߹ʹ߹Θ ͤͯΛׂͯ͠อଘɻ • ͜ͷ͜ͱ͕ݪҼͰಡΈࠐΈ࣌ʹ༨ܭͳॲཧ͕ ෳճݺΕ͍ͯͨɻ
ରॲ๏ʁ • ͬͯͨϥΠϒϥϦΛࣺͯͯɺ ࣗલͰ҉߸Խɾ෮߸ͷॲཧΛॻ͍ͨɻ • ଞͷϥΠϒϥϦݕ౼͚ͨ͠ͲɺԿ͔͠Β੍ݶ ͕༗ͬͨΓͯ͠͏ͱ٫ͬͯ໘ͩͱஅɻ • ηΩϡΞใѻ͏ͷʹϥΠϒϥϦͳΜͯཁΒΜ ͔ͬͨΜ
ࣄྫͷ·ͱΊ • ύϑΥʔϚϯεվળ·ͣܭଌ͔ΒɻͪΖΜҋӢʹܭ ଌ͢ΔͷͰͳ͘ɺϘτϧωοΫΛಛఆ͢ΔͨΊʹ ProfilerͷπʔϧΛ׆༻͠·͠ΐ͏ɻ • ࠓճCPU࣌ؒͷܭଌͰݟ͚ͨͲɺଞʹϝϞϦཧ ϨϯμϦϯάͷղੳͳͲΞϓϩʔνํ๏ෳ͋Γ·͢ɻ • ͜ΕΒʑݟ͍͖͍ͯͨɻ
• ηΩϡΞใѻ͏ͷʹϥΠϒϥϦͳΜͯཁΒΜ͔ͬͨΜ (2ճ
ࣄྫ ຊ൪ΞϓϦ͕Ϋϥογϡ͢Δ ͷௐࠪͰͬͨ͜ͱ
None
None
Πϕϯτ/Ϣʔβʔ͕ಛʹଟ͍ ΫϥογϡϨϙʔτΛ୳͢
ىͯ͜͠ΔՕॴͷ StackTraceΛ͔͜͜Β֬ೝ
Androidͷόʔδϣϯ ͰߜΓࠐΉ͜ͱͰ͖Δ
͜ͷௐࠪʹΑͬͯɺ ຊ൪ΞϓϦͷΫϥογϡ ແࣄղܾ͠·͕ͨ͠ʜɻ
None
None
None
ࠓʹͯ͠ࢥ͑ɺ ετΞͷϦϦʔεલϨϙʔτΛ ͔ͬ͠Γରॲ͢Ε ͛ͨͳͱࢥ͍·ͨ͠PS[
ࣄྫͷ·ͱΊ • ຊ൪ΞϓϦͷΫϥογϡStackTraceΛݟΕ Δঢ়گʹ͓͚ͯ͠ɺϑΟʔυόοΫ্͕͕ͬͯ ͖ͯରॲ͘͢͠ͳΔ • ͪΖΜൃੜ͢Δલʹ௵͓ͯ͘͜͠ͱ͕ॏཁͳ ͷͰɺීஈ͔ΒݕͰ͖ΔΈ༻ҙ͓ͯ͠ ͖͍ͨɻ