Kotlin/Nativeで作ってみるCLI, iOSアプリ

Kotlin/Nativeで共通のモジュールを使うCLI, iOSアプリを作る
Kotlin愛好会 vol.15

Transcript

1. Kotlin/NativeͰ࡞ͬͯΈΔ CLIɺiOSΞϓϦ KotlinѪ޷ձ vol.15 2019/09/24
2. ࣗݾ঺հ w ໊લ
   ༑҆ߤଠ
   !GVTVNB
   w ,PUMJOͱͷ෇͖߹͍
   ࠷ۙస৬ͯ͠"OESPJEΞϓϦ Λ৮ΔΑ͏ʹͳͬͨ
   w ,PUMJOѪ޷ձॳࢀՃ
3. ಈػ w LPUMJO
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   ͷൃදʮ,PUMJO
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   w ࢼͯ͠Έ͍ͨ
   w ࠓճ͸,PUMJO/BUJWFͰ$-*Λ࡞ͬͯΈΔ
   w ϩδοΫΛ࠶ར༻ͯ͠J04ΞϓϦΛ࡞Δ
   w 4XJGUѪ޷ձͱ߹ಉͳͷͰͪΐͬͱ4XJGUབྷΊ͔ͨͬͨ
4. ,PUJMO
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   w ໋໊ʹ໎ͬͨͱ͖ʹ࢖͏૝ఆ
6. ,PUMJO/BUJWF
   $-* w HSBEMFͰϏϧυઃఆ
   w .11ͷͨΊͷ࡞ۀ͸΄΅HSBEMFͷઃఆ
   kotlin { macosX64("macos") { binaries { executable("ghkw") { entryPoint = 'com.github.ktomoyasu.ghkw.cli.main' } } } ΤϯτϦʔϙΠϯτͱͳΔؔ਺ΛΧελϜ ग़ྗ͞ΕΔόΠφϦͷϑΝΠϧ໊ΛΧελϜ ࢦఆ஋ͱsrcͷσΟϨΫτϦΛ߹ΘͤΔ
7. ,PUMJO/BUJWF
   $-* w ґଘؔ܎ͷهड़
   sourceSets { commonMain { dependencies { implementation rootProject.ext.kotlinCommon implementation rootProject.ext.coroutineCommon implementation rootProject.ext.serializationCommon implementation rootProject.ext.ktorClient implementation rootProject.ext.ktorClientJson implementation rootProject.ext.ktorClientLogger } } macosMain { dependencies { implementation rootProject.ext.coroutineNative implementation rootProject.ext.serializationNative implementation rootProject.ext.ktorClientNative implementation rootProject.ext.ktorClientCurl implementation rootProject.ext.ktorClientJsonNative implementation rootProject.ext.ktorClientNative implementation rootProject.ext.ktorClientLoggerNative } }
8. LPUMJOYDMJ w +FU#SBJOT੡ͷ$-*ϥΠϒϥϦ
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   w ࠓճ͸࢖Θͣʹ࣮૷
9. ڞ௨Ϟδϡʔϧ suspend fun search(words: List<String>, token:String): Response sealed class Response { data class Success(val data: List<KeywordResult>): Response() data class Error(val e: Exception): Response() } w (JU)VC
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   w "QJ$MJFOUΫϥε
   w TFBSDIͰ࣮ߦ݁Ռ3FTQPOTFΛฦ͢
10. $-*ͷ࣮૷ fun main(args: Array<String>) = runBlocking { val token = getenv(ENV_TOKEN) ?.toKString() ?: "" when (val response = ApiClient().search(args.toList(), token)) { is Success -> { response.data.forEach { println("${it.keyword}\t${it.totalCount}") } } is Error -> { fprintf(stderr, response.e.message) exitProcess(1) } } }
11. $-*ͷ࣮૷ $ ghkw-client/build/bin/macos/ghkwDebugExecutable/ghkw.kexe ninja samurai ninja 5565106 samurai 961079
12. $-*
    
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    w JNQPSU͢Ε͹HILXͷ"QJ$MJFOU͕࢖͑Δ
    import UIKit import GhkwClient

13. J04ΞϓϦ
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 kotlin { if (project.findProperty("device") ?.toBoolean() ?: false) { iosArm64('ios') { binaries { framework { baseName = "GhkwClient" } } } else { iosX64('ios') { binaries { framework { baseName = "GhkwClient" } } } } …… } • framework໊ΛΧελϜ ࢦఆ஋ͱsrcͷσΟϨΫτϦΛ߹ΘͤΔ
14. J04ΞϓϦ
    HSBEMF w ґଘؔ܎Λهड़
    
 kotlin { …… sourceSets { …… iosMain { dependencies { implementation rootProject.ext.coroutineNative implementation rootProject.ext.serializationNative implementation rootProject.ext.ktorClientIos implementation rootProject.ext.ktorClientJsonNative implementation rootProject.ext.ktorClientNative implementation rootProject.ext.ktorClientLoggerNative } } } •
15. ڞ௨Ϟδϡʔϧ suspend fun search(words: List<String>, token:String): Response sealed class Response { data class Success(val data: List<KeywordResult>): Response() data class Error(val e: Exception): Response() } w 4XJGU͔ΒͲ͏ݟ͑Δ͔ؾʹͳΔ෦෼
    w TFBMFE
    DMBTT
    w TVTQFOE
    GVO
16. TFBMFE
    DMBTT w TFBMFEम০ࢠͰಉҰϑΝΠϧ֎͔ΒͷܧঝΛ੍ݶ͞ΕͨΫϥε
    w FOVNͷ֦ு൛ͷΑ͏ʹ࢖͑Δ
    w ໢ཏੑͷνΣοΫ͕Ͱ͖Δ
    w FOVNͷ֤஋ʹՄมͷ஋Λ࣋ͨͤΔ͜ͱ͕Մೳ
    w 4XJGUʹ͓͚ΔFOVNͷBTTPDJBUFE
    WBMVFT૬౰ͷ͜ͱ͕Ͱ͖Δ
17. TFBMFE
    DMBTT w 4XJGU0CK$্Ͱ͸୯ͳΔΫϥεͱͳΔ GhkwClient.h
18. case (let result as Response.Success): … case (let err as Response.Error): … default: fatalError("unknown case.") } w ໢ཏੑνΣοΫ͕Ͱ͖ͳ͍
    w গ͠࿩୊ʹ͍͋͛ͯΔJTTVF͕͋ͬͨ
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19. TVTQFOE
    GVO w TVTQFOEؔ਺͸4XJGU͔Βݺ΂ͳ͍
    w GSBNFXPSLʹΤΫεϙʔτ͞Εͳ͍
    w %FGFSSFEΛฦ͢Α͏ʹXSBQͨ͠Β4XJGU͔Βݺ ΂ͨ
    fun searchAsync(words: List<String>, token: String) = GlobalScope.async(coroutineDispatcher) { search(words, token) }
20. // Kotlinଆͷఆٛ fun searchAsync(words: List<String>, token: String): Deferred<Response> = GlobalScope.async(coroutineDispatcher) { search(words, token) } // Swiftଆͷݺͼग़͠ let task = client.searchAsync(words: words, token: token) task.invokeOnCompletion { _ in let response = task.getCompleted() HFU$PNQMFUFE ͕ฦ͢ͷ͸z"OZ z
21. ,UPSͷαϯϓϧ࣮૷Ͱ͸ IUUQTHJUIVCDPNLUPSJPLUPSTBNQMFTCMPCNBTUFSNQQDMJFOUNQQTSD DPNNPO.BJOLPUMJOJPLUPSTBNQMFTNQQDMJFOU"QJLU
    fun about(callback: (String) -> Unit) { GlobalScope.apply { launch(ApplicationDispatcher) { val result: String = client.get { url(this@ApplicationApi.address.toString()) } callback(result) } } } ίʔϧόοΫΛ౉͢ελΠϧ
    
22. ίʔϧόοΫΛ౉͢ελΠϧ fun search(words: List<String>, token: String, callback: (List<KeywordResult>) -> Unit, onError: (Exception) -> Unit) { GlobalScope.launch(coroutineDispatcher) { when (val response = search(words, token)) { is Response.Success -> callback(response.data) is Response.Error -> onError(response.e) } } } w ੒ޭ࣌ͷ-JTU
    ࣦഊ࣌ͷ&YDFQUJPOΛίʔϧόοΫʹ౉࣮͢૷
    w 4XJGUଆͰͷΩϟετ͸ແ͘ͳΔ
    w ଟ͘ͷίʔϧόοΫͷ࣮૷Λཁٻ͢Δ
23. %SPJE,BJHJͷΞϓϩʔν w ,PUMJOଆ͔Β%FGGFSFEΛฦ͠ɺ4XJGUଆͰ3Y4XJGUͷ4JOHMFΛฦ͢ϝιο υΛFYUFOTJPOͰ࡞Δ
    // SwiftͰͷݺͼग़͠ίʔυ. asSingle͕extension function return ApiComponentKt.generateDroidKaigiApi() .getSessionsAsync() .asSingle(Response.self) .map { ResponseToModelMapperKt.toModel($0) } .catchError { throw handledKotlinException($0) } w 3Yಋೖ͍ͯ͠ΔΞϓϦͰҰ؏ͨ͠هड़͕Ͱ͖Δ
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24. J04ΞϓϦ΋Ͱ͖ͨ
25. ײ૝ w ·ͩ͜Ε͔Βͳ఺͸͋Δ
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    w ΋ͬͱHSBEMFྗΛ͚͍ͭͨ
26. $-*
    
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27. ιʔείʔυ IUUQTHJUIVCDPNLUPNPZBTVHILXLPUMJO
28. ࢀߟ w ެࣜϦϑΝϨϯε
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