2017年に新規アプリを立ち上げた話

Transcript

1. 2017೥ʹ৽نΞϓϦ Λ্ཱͪ͛ͨ࿩ Keisuke Kobayashi (@kobakei) shibuya.apk #20

2. About Me • Keisuke Kobayashi • GitHub, Qiita: kobakei •

   Twitter: kobakei122 • Kyash, Inc • ݸਓࣄۀओ΋΍ͬͯ·͢

3. 2017೥ʹ৽͘͠ΞϓϦΛ
 ্ཱͪ͛ͨ࿩Λ͠·͢

4. Kyash • ݸਓؒૹۚαʔϏε • 2017೥4݄ʹiOS൛ϦϦʔε • 2017೥7݄ʹAndroid൛ϦϦʔε

5. Kyash • ݸਓؒૹۚαʔϏε • 2017೥4݄ʹiOS൛ϦϦʔε • 2017೥5݄ʹԶೖࣾ • 2017೥7݄ʹAndroid൛ϦϦʔε

6. 2͔݄ͪΐͬͱͰϦϦʔε • AndroidΤϯδχΞ1ਓ • େମ40ը໘ • αʔόʔͷAPI͸͢Ͱʹ͋Δ • ͍͔ʹͯ͠ϦϦʔε͔ͨ͠

7. Kotlin • Google I/Oલʹ࠾༻ • Kotlinͷํ͕։ൃ଎౓ૣ͍Β͍͠ͱ͍͏ᷚ • ษڧ͠ͳ͕Βॻ͖͢͢ΊΔ • Better

   Javaͱͯ͠ॻ͚ͩ͘ͳΒ͙͢׳ΕΔ

8. ࣮ࡍͲ͏͔ͩͬͨ • λΠϓྔ͕ݮͬͨ • Data class • Delegated property •

   NPE͕ݮͬͨ • Nullڐ༰ or ඇڐ༰

9. ྫ: Delegated property class MainActivity : AppCompatActivity { companion object

   { fun createIntent(context: Context, hoge: String?, fuga: Int): Intent { return Intent(context, MainActivity::class.java).apply { putExtra(MainActivity::hoge.name, hoge) putExtra(MainActivity::fuga.name, fuga) } } } val hoge: String? by ExtraNullable() val fuga: Int by ExtraNonNull() }

10. ࠔͬͨͱ͜Ζ • είʔϓؔ਺ͷ࢖͍ํʹ໎ͬͨ • ࠷ۙ͸ͨΖ͏͞Μͷϑϩʔνϟʔτʹै͏ • ParcelizeΛಋೖͨ͠ΒJBͰىಈ͠ͳ͘ͳͬͨ • ͋͘·ͰExperimentalͳͷͰ஫ҙ

11. ઃܭ • MVVM + ϨΠϠʔυΞʔΩςΫνϟ • Data binding • ֤֊૚ΛRxJavaͰͭͳ͙

    • ϥΠϑαΠΫϧʹԠͯ͡dispose͞ΕΔ࢓૊ Έ
12. None

13. ϥΠϒϥϦ • ͍͍ͩͨఆ൪Λ࢖͍ͬͯΔ • ϒϩάʹ·ͱΊ·ͨ͠ • Android։ൃʹ͓͚Δఆ൪ϥΠϒϥϦ22બ

14. ఆ൪Ҏ֎ʹศརͬΆ͍΋ͷ • DeepLinkDispatch • Airbnb࡞ɻΞϊςʔγϣϯͰσΟʔϓϦϯΫͷίʔυΛࣗಈੜ ੒ • debot • ϝϧΧϦͷࠓҪ͞Μ࡞ɻ୺຤ΛৼͬͯσόοάϝχϡʔΛग़͢

    • MaterialChipsInput • GmailͷѼઌબ୒UIͬΆ͍ΞϨ
15. None

16. Architecture Components • ։ൃ౰࣌·ͩbetaͩͬͨͷͰ࢖Θͳ͔ͬͨ • RxLifecycleͬΆ͍࢓૊ΈΛࣗ࡞ͨ͠ • ͍͍ײ͡ʹCompositeDisposableʹadd͢Δ ࢓૊Έ •

    ORM͸OrmaΛ࢖ͬͨ

17. ࣗ࡞ͨ͠ϥΠϒϥϦ • FabSpeedDial • طଘͷϥΠϒϥϦ͕ඍົͩͬͨͷͰ࡞ͬͨ • ͍͔ͭ͘ͷUIϥΠϒϥϦ͸forkͨ͠ • UIϥΠϒϥϦ͸์ஔ͞Ε͕ͪ

18. None

19. ςετ • ୯ମςετ • Rolectric + mockito-kotlin • Mockito-kotlin͸͍͍ͧ •

    UIςετ • ͪΐͬͱԿݴͬͯΔ͔Θ͔Βͳ͍Ͱ͢

20. Mockito-kotlin val mock = mock<SomeClass> { on { hoge() }

    doReturn "hoge" on { fuga() } doReturn "fuga" }

21. ·ͱΊ • Kyash Android൛ͷ։ൃΛࢧٕ͑ͨज़Λ঺հ͠·ͨ͠ • Kotlin • ઃܭ • ϥΠϒϥϦ

    • ςετ

22. Α͍͓೥Λʂ