Android Framework Code Readingのしおり ver 1.3

Android Framework Code Readingのしおり ver 1.3

まったりAndroid Framework Code Reading #5
https://mandroidfcr.connpass.com/event/53922/

Transcript

1. Android Framework
 Code Readingͷ͓͠Γ ver 1.3
2. ໨ඪ
3. ໨ඪ • ಡΈ࢝ΊΔʹ͸Ͳ͔͜Β୳ͤ͹͍͍ͷ͔Θ͔Δ • Android Frameworkͷίʔυ͕ͳΜͱͳ͘
 ಡΊΔΑ͏ʹͳΔ • ΋͏Androidා͘ͳ͍ (ʆŋωŋ´)
4. ༻ҙ͢Δ΋ͷ
5. ༻ҙ͢Δ΋ͷ • ͓޷ΈͷEditor • OpenGrok • https://sites.google.com/site/devcollaboration/codesearch • ΫιίʔυಡΜͰ΋Ί͛ͳ͍ؾ࣋ͪ • جຊ͜Ε͚ͩ
6. ಡΈ΍͍͢؀ڥΛ࡞Δ • FirefoxͷπϦʔܕλϒͱ͍͏֦ு͕Φεεϝ • https://addons.mozilla.org/ja/firefox/ addon/tree-style-tab/ • ಡΜͰ͍Δίʔυͷϝιουݺͼग़͠ͷ֊૚ ͱ͔؅ཧ͠΍͍͢
7. ಡΈ΍͍͢؀ڥΛ࡞Δ ͜Μͳײ͡ʔ
8. ಡΈ΍͍͢؀ڥΛ࡞Δ • Session Managerͱ͍͏֦ு΋Φεεϝ • https://addons.mozilla.org/ja/firefox/ addon/session-manager/ • ։͍ͯΔλϒͷঢ়ଶΛอଘͰ͖Δ
9. ಡΈ΍͍͢؀ڥΛ࡞Δ ࠓ։͍ͯΔλϒͱ͔Λอଘ
10. ಡΈ΍͍͢؀ڥΛ࡞Δ ͲΜͳίʔυಡΜͰΔͷ͔ͱ໊͔લʹ͓ͯ͘͠ͱ
 ಡΈฦ࣌͢ʹศར
11. ಡΈ΍͍͢؀ڥΛ࡞Δ อଘͨ͠ͷ͸͜Μͳײ͡Ͱ෮ݩͰ͖Δʔ
12. OpenGrok
13. OpenGrok • ιʔείʔυΛϒϥ΢βͰӾཡͰ͖Δ΋ͷ • method΁ͷϦϯΫͱ͔షͬͯ͋ͬͯศརʂʂ • Androidͷιʔείʔυ΋OpenGrokԽͯ͋͠Γ·͢ • ιʔείʔυखݩʹͳͯ͘΋ಡΊͯศརʂʂ
14. OpenGrokʹ׳ΕΔ
15. OpenGrokʹ׳ΕΔ • Full SearchΛࢦఆ͢Δ • File PathΛࢦఆ͢Δ • جຊ্̎ͭͰ͍͍ͩͨOK • ࠔͬͨΒHelpΛݟͯ࢖͍ํΛϚελʔ͢Δ • http://tools.oesf.biz/android-6.0.0_r1.0/help.jsp
16. खݩʹίʔυΛμ΢ϯϩʔυ͢Δ • શ෦ͷιʔείʔυΛμ΢ϯϩʔυ͢Δͷ͸େม • OpenGrok͔ΒFile୯ҐͰμ΢ϯϩʔυͰ͖Δ • Α͘ࢀর͢ΔϑΝΠϧ͸μ΢ϯϩʔυ͓ͯ͘͠ͱศར • URLͷxrefͱrawʹͯ͠ΞΫηε͢ΔͱBrowser
 ܦ༝Ͱμ΢ϯϩʔυͰ͖Δ͸ͣ
17. खݩʹίʔυΛμ΢ϯϩʔυ͢Δ http://tools.oesf.biz/android-6.0.0_r1.0/xref/ frameworks/base/core/java/android/app/Activity.java http://tools.oesf.biz/android-6.0.0_r1.0/raw/ frameworks/base/core/java/android/app/Activity.java
18. ҙ֎ͱखݩʹ͍࣋ͬͯΔιʔείʔυ • Android SDK Manager͔ΒऔಘͰ͖Δ΋ͷ • /Applications/Android Studio.app/sdk/sources • /Applications/Android Studio.app/sdk/extras/ android/support • /Applications/Android Studio.app/sdk/extras/ android/m2repository/com/android/support
19. खܰʹಡΊͦ͏ͳͱ͜Ζ • frameworks/ • Android Frameworksશൠͷίʔυ • frameworks/base/core/java/ • Android SDKશൠͷίʔυ
20. खܰʹಡΊͦ͏ͳͱ͜Ζ • packages/apps/ • γεςϜΞϓϦશൠͷίʔυ • http://tools.oesf.biz/android-6.0.0_r1.0/ xref/packages/apps/Settings/ • SettingsΞϓϦͷίʔυ(Φεεϝʂ)
21. ໾ʹཱͪͦ͏ͳϦϯΫ·ͱΊͯ·͢ https://github.com/ AndroidFrameworkCodeReading/Android- Framework-Code-Reading
22. GopenGrok https://github.com/operando/gopen-grok ίϚϯυϥΠϯ͔ΒOpenGrokͷ
 ݕࡧ͕Ͱ͖Δπʔϧ
23. GopenGrok https://github.com/operando/gopen-grok $ gopen-grok -s Activity
24. GopenGrok https://github.com/operando/gopen-grok
25. GopenGrok Install https://github.com/operando/gopen-grok $ go get -d github.com/operando/gopen-grok $ go install github.com/operando/gopen-grok
26. LogcatٯҾ͖
27. LogcatٯҾ͖ • LogcatʹྲྀΕ͍ͯΔϩά͸ίʔυ্ʹ
 ॻ͍ͯ͋Δ͸ͣ(ಈతͳ΋ͷҎ֎ • ௐ΂͍ͨػೳͬΆ͍΋ͷ͕ྲྀͯ͠ΔLogcat͔Β ಛఆͷΩʔϫʔυͰݕࡧΛ͔͚Δ
28. LogcatٯҾ͖ • ྫ͑͹ɺҎԼͷϩάͷgetDirectorySizeͬͯͲ ͏΍ͬͯௐ΂ͯΔ͔஌Γ͍ͨʂͱͯ͠…
29. LogcatٯҾ͖ • ͡ΌͱΓ͋͑ͣʮgetDirectorySizeʯͬͯ
 ΩʔϫʔυͰOpenGrokݕࡧ͢Δ
30. ʮgetDirectorySizeʯͷݕࡧ݁Ռ ݟࣄʹͦΕͬΆ΋ͷ
 Ҿ͔͔ͬͬͨ
31. ίʔυΛݟΔͱ͜Μͳײ͡ • IMediaContaninerServiceͶʔ΁ʔ • LogcatʹྲྀΕͯͨͷ͸ 438ߦ໨ͷ΍ͭ
32. LogcatٯҾ͖ • ͏·͘ώοτ͢Ε͹࠷ߴͷٕ • Ͳͷϩά͕ྑͦ͞͏͔ݟۃΊΔͷ͸৬ਓٕ • LogcatʹྲྀΕ͍ͯΔϝοηʔδ͕੩తͳ΋ͷ͔ ಈతͳ΋ͷ͔൑அ͢Δͷ͸৬ਓٕ
33. ·ͱΊํ
34. ͋ͱͰݟฦ͢Α͏ʹ͜͏ॻ͘ͱ͍͍͔΋ λΠτϧ
 ݟग़͠
35. ͋ͱͰݟฦ͢Α͏ʹ͜͏ॻ͘ͱ͍͍͔΋ Θ͔ͬͨ͜ͱΛ
 Օ৚ॻ͖
36. ͋ͱͰݟฦ͢Α͏ʹ͜͏ॻ͘ͱ͍͍͔΋ ॏཁͳͱ͜Ζ͸
 ίʔυͷURLͱ࣮ࡍͷίʔυΛ
 ίϐϖͯ͠ॻ͍͓ͯ͘
37. ͋ͱͰݟฦ͢Α͏ʹ͜͏ॻ͘ͱ͍͍͔΋ • Markdownͱ͔Ͱద౰ʹॻ͘ • ίʔυͷURL͸ΊͬͪΌେࣄ • ॻ͍ͨΒGithub΍Gistʹஔ͍͓ͯ͘ͱ
 ݕࡧ΋Ͱָ͖ͯ
38. JobScheduler-Code-Reading https://github.com/operando/JobScheduler-Code-Reading ·ͱΊํͷࢀߟʹͲ͏ͧʔ
39. Thanks!!