まったりAndroid Framework Code Reading #4

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·ͬͨΓAndroid  Framework Code Reading #4

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ձ৔આ໌ + ॾ஫ҙ • Wi-Fi͋Γ·͢ • ҿ৯ՄͰ͢(͓՛ࢠ༻ҙ͠·ͨ͠ɻ৯΂ͯͶ˒) • ్தͰ͓ؼΓʹͳΔࡍʹ͸ɺࢲʹҰ੠͔͚͍ͯͩ͘͞ • ͓ؼΓͷࡍʹɺೖؗڐՄূʹฐࣾ୲౰ࣾһͷαΠϯ ͕ඞཁͱͳ͓ͬͯΓ·͢ɻ  ͝ڠྗ͓ٓ͘͠ئ͍ਃ্͛͠·͢ɻ

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λΠϜςʔϒϧ

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ϋογϡλά #m_android_fcr

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About Me Shinobu Okano @operandoOS Mercari, Inc. Souzoh, Inc. Code Readingָ͍͠☺

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Android Framework??

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Android Frameworkͱ͸ʁʁ • ͬ͘͟ΓݴͬͯAndroidΛߏ੒͍ͯ͠Δ΋ͷ • LayerͰͳΜͱͳ͘෼͔Ε͍ͯΔ • ͱʹ͔͘޿͍ɾσΧΠɾ΍͹͍

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Android Frameworkͱ͸ʁʁ

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Android Frameworkͱ͸ʁʁ ΞϓϦ։ൃऀ͕  ΧδϡΞϧʹ  ಡΊΔͷ͸͜͜Β΁Μ

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Android Frameworkͱ͸ʁʁ ΞϓϦ։ൃऀ͕  ΧδϡΞϧʹ  ಡΊΔͷ͸͜͜Β΁Μ https://source.android.com/security/ Source :

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·ͬͨΓAndroid Framework Code Reading??

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Code Readingͷ໨త

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Code Readingͷ໨త • AndroidͷιʔείʔυΛಡΜͰ։ൃ౳ʹ໾ཱͯΔ • ΧδϡΞϧʹ·ͬͨΓ৭ΜͳίʔυΛಡΜͰ  ੒Ռ΍஌ࣝΛڞ༗Ͱ͖Ε͹࠷ߴ

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Code Reading Q&A

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Code Reading Q&A Q. SDKͷίʔυͰ΋OK?? A. ΋ͪΖΜOK! Q. ϥΠϒϥϦͷίʔυͰ΋OK?? A. ΋ͪΖΜOK! Q. HAL΍KernelɺARTͰ΋OK?? A. େ׻ܴ!

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Code Readingͷ੒Ռ

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Code Readingͷ੒Ռ • Github Organizationʹ·ͱΊ͍ͯ͘ • https://github.com/AndroidFrameworkCodeReading • ͬ͘͟Γͷ੒ՌͰOK(MarkdownͰͬ͘͟Γͱ͔) ※͖ͪΜͱͨ͠੒ՌΛڧ੍͢ΔΘ͚͡Ό͋Γ·ͤΜ

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ษڧձͰͷ΍ΓͱΓͳͲͳͲ…

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ษڧձͰͷ΍ΓͱΓͳͲͳͲ… • Gitter༻ҙͯ͠·͢ʂ(୭Ͱ΋ࢀՃͰ͖·͢) • https://gitter.im/AndroidFrameworkCodeReading/CodeReadingHistory • ࢒͓͖͍ͯͨ͠΍ΓͱΓ,ؾʹͳͬͨ͜ͱ • ੒Ռ / ڞ༗͍ͨ͜͠ͱ,ͳͲͳͲ… • Φʔϓϯͳ׆ಈͷͨΊGitter͝ར༻͍ͩ͘͞ʂ

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·ͬͨΓAndroid Framework Code Reading ʮ΋ͬͱৄ͘͠ʂʯ͸ͪ͜ΒΛಡΜͰ͍ͩ͘͞ʂ http://hack-it-iron.hatenablog.com/entry/2015/06/11/143629 ※ϙΤϜͰ͢

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·ͬͨΓAndroid Framework Code Reading#4 ཪςʔϚ

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Android N ಡ΋͏!

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Android N • Multi-window Support • Doze on the Go • Background Optimizations • Data Saver • Vulkan API • Quick Settings Tile API • Locales and Languages • VR Support • etc…

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OpenGrok - Android N http://tools.oesf.biz/android-7.0.0_r1.0/

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Android 7.0 for Developers https://developer.android.com/about/ versions/nougat/android-7.0.html

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API Differences between 23 and 24 https://developer.android.com/sdk/ api_diff/24/changes.html

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Android 7.1 for Developers https://developer.android.com/preview/ api-overview.html ※Preview͸version͝ͱʹଘࡏ͠ͳ͍ͷͰͦͷ͏ͪ಺༰มΘΓ·͢

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Android N Code Reading https://github.com/AndroidFrameworkCodeReading/ Android-N-Code-Reading ঺հͨ͠ϦϯΫ͸Լͷͱ͜Ζʹ·ͱΊͯ·ʔ͢

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ͳʹಡ΋͏͔ͳʔ • ͳʹΛಡΉͷ͔ܾΊͯͩ͘͞ʔ͍ʂ • ͬ͘͟ΓͰOK • ୭͔ͱ૬ஊͨ͠ΓɺҰॹʹಡΜͩΓͰ΋OK

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ྫ͑͹… • Intentͷ࢓૊ΈΛ஌Γ͍ͨʂ • Storageͷ࢓૊ΈΛ஌Γ͍ͨʂ • JobSchedulerͷ࢓૊ΈΛ஌Γ͍ͨʂ • ͱʹ͔͘AndroidΛյ͍ͨ͠ʂ • ͱ͔ͱ͔…

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ͳʹಡΉ͔ܾ·ͬͨΒ • ࠷ޙ੒ՌΛ·ͱΊΔ࣌ͷͨΊʹɺͳʹಡΉ͔Λ Twitter or Gitterʹॻ͍͍ͯͩ͘͞ • ޙ೔੒ՌΛ·ͱΊͨϦϯΫ౳ΛTwitter or Gitter ʹॻ͍͍͚ͯͨͩΕ͹ɺӡӦͷํͰGithubʹ  ·ͱΊ·͢ʂ

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͜Μͳײ͡Ͱ·ͱΊ·͢ https://github.com/AndroidFrameworkCodeReading/CodeReadingHistory/wiki/%E3%81%BE %E3%81%A3%E3%81%9F%E3%82%8AAndroid-Framework-Code-Reading-%233

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Enjoy Code Reading!!