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ミスを少なくする明日からのCustom Lint Rules
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Yuki Mima
January 20, 2017
Programming
0
1.9k
ミスを少なくする明日からのCustom Lint Rules
kyobashi.dex #4
https://rmp-quipper.connpass.com/event/47555/
Yuki Mima
January 20, 2017
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Transcript
ϛεΛগͳ͘͢Δ໌͔Βͷ Custom Lint Rules kyobashi.dex #4 @amyu_san
About me ▸ Name : Yuki Mima ▸ Twitter :
@amyu_san
Lint Rulesͱ ▸ ੩తղੳπʔϧ ▸ ./gradlew lint Ͱ࣮ߦͰ͖Δ ▸ ࣮ߦ݁ՌDefaultͰ
/app/build/outputs/lint-results-yourFlavor.xml /app/build/outputs/lint-results-yourFlavor.html
TEXT Custom Lint Ruleͷ࡞खॱ ▸ Detector : ΦϦδφϧͷ੩తղੳΛߦ͏߲ͷࢦఆ ▸ DetectorTest
: DetectorͷTest ▸ Registry : DetectorΛొ?͢Δ
Detector ▸ LayoutDetector ▸ app/src/hoge/res/layout Λର ▸ JavaScanner ▸ Java
Code Λର ▸ ClassScanner ▸ Java class files Λର
AccessibilityDetector ▸ layout xmlʹ͋ΔTag໊͕ImageView·ͨImageButton͕ଘࡏ͢ΔTag͕ ੩తղੳର ▸ contentDescriptionଐੑͷValue͕ۭจࣈ͔”TODO”ͷΈࢦఆ͞Ε͍ͯΔ ߹ʹܯࠂ͞ΕΔ ▸ contentDescriptionଐੑͱimportantForAccessibilityଐੑ͕྆ํଘࡏ͠
ͳ͍߹ʹܯࠂ͞ΕΔ ▸ android:contentDescriptionଐੑ͕ଘࡏ͢ΔTag͕੩తղੳର ▸ contentDescriptionଐੑͱhintଐੑ͕ಉ࣌ʹҰͭͷTagʹଘࡏ͢Δͱ͖ ܯࠂ͞ΕΔ
None
getApplicableElementsʹ͍ࠪͨ͠Tag(View)໊Λฦ ͢ visitElements(…)ʹTagใ͕ؼͬͯ͘Δ ImageView·ͨImageButtonͷTag໊Λ࣋ͭTag͕ ࠪͷରʹͳΔ
getApplicableAttributesʹ͍ࠪͨ͠ଐੑΛฦ͢ visitAttributes(…)ʹTagใ͕ؼͬͯ͘Δ android:contentDescriptionଐੑΛ࣋ͭTag͕ࠪͷର ʹͳΔ
Tag(View)ʹcontentDescriptionଐੑ͕ଘࡏ͢Δͱ͖ android:hintଐੑಉ࣌ʹએݴ͍ͯͨ͠߹ܯࠂΛग़ ͢ getApplicableAttributesʹࢦఆ͍ͨࠪͨ͠͠Tag͕ Callback͞ΕΔ contentDescriptionଐੑΛ࣋ͭTagͷใ͕ೖͬͯΔ ↓
getApplicableElementsʹࢦఆ͍ͨࠪͨ͠͠ Tag͕Callback͞ΕΔ Tag(View)໊͕ImageView·ͨImageButtonͷͱ͖ - android:contentDescriptionଐੑͱandroid:importantForAccessibilityଐੑ͕ͳ͍߹ܯࠂΛग़͢ - android:contentDescriptionଐੑ͕ଘࡏ͠Ŋvalueʹۭจࣈ·ͨTODOͱ͍͏จࣈͷ߹ܯࠂΛग़͢ ↑ | |
ImageView·ͨImageButtonͷTagΛ࣋ͭTagͷใ͕ೖͬͯΔ
Tag໊Λࢦఆ͠੩తղੳ
ଐੑΛࢦఆ͠੩తղੳ
ݟʹͳΔLint ▸ DeprecationDetector https://android.googlesource.com/platform/tools/base/+/master/lint/libs/lint-checks/src/main/java/com/android/tools/lint/checks/DeprecationDetector.java?autodive=0%2F ▸ editableଐੑͳͲDeprecatedʹͳͬͨଐੑΛ༻͢Δͱ ܯࠂग़ͯ͘͠ΕΔ ▸ ToastDetector https://android.googlesource.com/platform/tools/base/+/master/lint/libs/lint-checks/src/main/java/com/android/tools/lint/checks/ToastDetector.java?autodive=0%2F
▸ ToastΛ༻࣌ʹshow͕ݺΕ͍ͯͳ͍ͱܯࠂͯ͘͠ΕΔ
Ͱ͖ͳ͔ͬͨ͜ͱ ࠔͬͯΔ͜ͱ ▸ ͳΜ͔KotlinͰॻ͜͏ͱͨ͠ΒΤϥʔग़ͯॻ͚ͳ͔ͬͨ ▸ ୭͔Γํڭ͍͑ͯͩ͘͞ ▸ CircleCIͰ./gradlew lint Λ࣮ߦ͕ͨ͠ŊSeverity͕Errorͳ
ͷΛWarningʹมߋ͞ΕͯΔΑ͏ͳؾ͕ͨ͠ ▸ ୭͔ڭ͍͑ͯͩ͘͞ ▸ ࠓ࣮ߦ݁ՌͷxmlΛParseͯ͠CIΛFailͤͯ͞Δ
ࢀߟࢿྉ ▸ Custom Lint Rules ▸ http://qiita.com/hotchemi/items/9364d54a0e024a5e6275 ▸ ϛεΛগͳ͘͢Δ໌͔ΒͷCustom Lint
Rules ▸ http://qiita.com/amyu_san/items/b6b674693eefaae2b4bc ▸ طଘͷιʔε ▸ https://android.googlesource.com/platform/tools/base/+/ master/lint/libs/lint-checks/src/main/java/com/android/tools/ lint/checks?autodive=0/