Java で書かれた Android アプリを Kotlin で書き直すまでの話 / Talk of rewrite Android app for Java to Kotlin

Transcript

1. +BWB
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   ཽେ࿠ $IBU8PSL
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3. $IBU8PSL

4. $IBU8PSL ‣ Ϗδωε޲͚ͷνϟοταʔϏε
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5. ,PUMJO

6. ,PUMJO ‣ (PPHMF
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   Ͱ͸શ໘తͳಋೖΛܾఆͨ͠

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    খ͞ͳμΠΞϩά
   
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8. !+WNʙΞ ϊςʔγϣϯ ‣ +BWB
   ͔ΒͷΞΫηεΛҙࣝ͢Δඞཁ͕͋Δ class MyFragment : Fragment() { companion

   object { @JvmField val TAG: String = MyFragment::class.java.simpleName } @JvmOverloads fun logic(label: String = "") {} } ,PUMJO

9. SFUVSO
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   ʹ͸
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   ͸ଘࡏ͠ͳ͍ class BusinessLogic { fun async(callback: () ->

   Unit) { // Some async logic callback(); } } BusinessLogic logic = new BusinessLogic(); logic.async(() -> { return Unit.INSTANCE; }); ,PUMJO +BWB

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12. 1MBUGPSN
    5ZQFT ‣ "OESPJE
    4%,
    Ͱ͋Ε͹ίʔυΛಡΜͰܕΛܾఆ͢Δ val inflater: LayoutInflater = LayoutInflater.from(this) ,PUMJO

13. ,PUMJO
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15. ,PUMJO
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16. ,PUMJO
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17. ,PUMJO
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    5) val results: List<String> = source .map { it.toString(10) } ,PUMJO UP-JTU
    ແ UP-JTU
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18. ,PUMJO
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19. ࠷ޙʹ

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21. ͓͠·͍