Kotlin MPPでUIロジックまで共通化して楽をしたい

Transcript

1. ,PUMJO
   .11Ͱ
   6*ϩδοΫ·Ͱڞ௨Խͯ͠
   ָΛ͍ͨ͠ 
   ,PUMJOѪ޷ձ
   
   ʹ͜͠Γ͞ͿΖʙ
   !TVCSPI@

2. "CPVU
   .F ʹ͜͠Γ͞ͿΖʙ
   ✦౦ژ౎ɾҏ౾େౡग़਎
   ✦גࣜձࣾ#&"35"*-
   ‣ "OESPJEΤϯδχΞ ,PUMJO+BWB ˑ
   ‣ 8FCΤϯδχΞ

   3BJMT3FBDU

3. ͸͡Ίʹʜ ,PUMJO
   .VMUJQMBUGPSN
   ۀ຿
   PS
   झຯͰ৮͍ͬͯΔਓʔʂ🙌
   

4. ͸͡Ίʹʜ 㾎͜͜࠷ۙ੝Γ্͕Γͭͭ͋Δ,PUMJO
   .VMUJQMBUGPSN
   
    ೥݄ɺ,PUMJO
   .VMUJQMBUGPSN
   .PCJMFͷЋ൛ϦϦʔε
    ϞόΠϧ޲͚ϓϩδΣΫτͷ਽ܗΛࣗಈੜ੒
    ຊ൪؀ڥͰͷ࠾༻ࣄྫ
    /FUqJY
   

    8BOUFEMZ
    ΤϜεϦʔ 
   OFUqJYUFDICMPHDPNOFUqJYBOESPJEBOEJPTTUVEJPBQQTLPUMJONVMUJQMBUGPSNEEEEE
   
   XXXXBOUFEMZDPNDPNQBOJFTXBOUFEMZQPTU@BSUJDMFT
   
   XXXNUFDICMPHFOUSZ    ৿ཏສ৅Λ,PUMJOͰ࣮૷Ͱ͖Δੈք
   ਱ʹݱ࣮ʹͳΔͷ͔ʜʂʁ
   

5. ͸͡ΊͷҰาΛ્Ή৺ͷ੠ 㾎͜͜࠷ۙ੝Γ্͕Γͭͭ͋Δ,PUMJO
   .VMUJQMBUGPSN
   
    ೥݄ɺ,PUMJO
   .VMUJQMBUGPSN
   .PCJMFͷЋ൛ϦϦʔε
    ϞόΠϧ޲͚ϓϩδΣΫτͷ਽ܗΛࣗಈੜ੒
    ຊ൪؀ڥͰͷ࠾༻ࣄྫ
    /FUqJY
   

    8BOUFEMZ
    ΤϜεϦʔ 
   OFUqJYUFDICMPHDPNOFUqJYBOESPJEBOEJPTTUVEJPBQQTLPUMJONVMUJQMBUGPSNEEEEE
   
   XXXXBOUFEMZDPNDPNQBOJFTXBOUFEMZQPTU@BSUJDMFT
   
   XXXNUFDICMPHFOUSZ    ৿ཏສ৅Λ,PUMJOͰ࣮૷Ͱ͖Δੈք
   ਱ʹݱ࣮ʹͳΔͷ͔ʜʂʁ
   ͍͘ΒϩδοΫΛڞ௨ԽͰ͖ͯ΋
   ϏϧυεΫϦϓτ͕ࠇຐज़ͩͬͨΒҙຯͳ͍Μ͡Ό🥺
   ,PUMJOΊͬͪΌΘ͔Δ
   ໠ऀ͡Όͳ͍ͱ࢖͍͜ͳͤͳ͍ͷͰ͸🥺
   ˞ڞ௨ԽͰָΛ͢Δ
    ௒͑ΒΕͳ͍น 
   ϏϧυͷͭΒΈ
   ɹ91MBUͰ͋Γ͕ͪͳ᠘
   

6. ࿩͢͜ͱ ˑ,PUMJO
   .11ͰΞϓϦΛαΫͬͱ࡞ͬͯײͨ͜͡ͱ
   㾎Ϟμϯͳߏ੒ͷΞϓϦΛͲͷఔ౓ͷ࿑ྗͰ࣮૷Ͱ͖Δ͔
   㾎6*ϩδοΫ·Ͱڞ௨Խͯ͠ྑ͔ͬͨ͜ͱɺͭΒ͔ͬͨ͜ͱ
   㾎ࠓޙͷల๬

7. ,PUMJO
   .11ͷҒେͳઌߦࣄྫ 㾎%SPJE,BJHJ
   ެࣜΞϓϦ
   💪
   ೔ຊޠݍͷ։ൃऀ͕࠷΋ΞΫηε͠΍͘͢ɺ͔ͭ৘ใྔͷଟ͍ΞϓϦ
   💪
   $PSPVUJOFTʹΑΔඇಉظॲཧ
   
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   ˠ
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   🥺
   ෳ਺ϞδϡʔϧͷࢀরʹIBDL͕ඞཁ (JU)VC
   %SPJE,BJHJDPOGFSFODFBQQ

   ·ͩ·ͩػೳෆ଍ͩͬͨ,PUMJO
   Ͱ
   ΊͪΌͪ͘Όؤு͍ͬͯΔ௒ҒେͳΞϓϦ
   

8. ,PUMJO
   ͱ,..ͷొ৔ 㾎,PUMJO
   ͷ.11త໨ۄ
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   ,PUMJO/BUJWFͰͷTVTQFOEؔ਺ͷαϙʔτ
   🎉
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   㾎,..ͷొ৔
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   ΢ΟβʔυܗࣜͰ"OESPJEJ04྆ରԠͷ)FMMP
   8PSME͕࡞ΕΔʂ
   🥰
   ϛχϚϜͳJ04޲͚ͷϏϧυεΫϦϓτ͕࠷ॳ͔Β༻ҙ͞Ε͍ͯΔʂ ࣌఺ ࣌఺

   ,PUMJO
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9. ࣮ࡍʹ࡞ͬͨϞϊ 㾎ΞΠυϧϚελʔʹొ৔͢ΔΞΠυϧΛݕࡧ͢ΔΞϓϦ
    $PSPVUJOFTʹΑΔඇಉظॲཧ
   
   ϚϧνϞδϡʔϧ
    6*ϩδοΫ 7JFX.PEFM ·Ͱڞ௨Խ
   

   %*༻ίʔυ΋΄΅ڞ௨Խ

10. ࣮૷ղઆ  㾎$PSPVUJOFTʹΑΔඇಉظॲཧ
     LPUMJOYDPSPVUJOFT͕.11ʹରԠ
     ϚϧνεϨουରԠͷBSUJGBDUΛར༻
     γϯϓϧͳ֎෦"1*ͱͷ΍ΓऔΓͳΒ໰୊ͳ͘ಈ࡞ ͜Ε

    ˞4UBCMF൛ͱͷࠩ͸ׂͱ͋ΔͷͰෳࡶͳ͜ͱΛ
    ͢Δͱ૝ఆ֎ͷڍಈʹͳΔ͔΋ʜ

11. ࣮૷ղઆ  㾎ϚϧνϞδϡʔϧ
     ԼهͷΑ͏ͳϞδϡʔϧߏ੒ͷ৔߹ BQJ
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    ΤϯςΟςΟɾ஋ΦϒδΣΫτͷఆٛ
    

    QSFTFOUBUJPO
    ˠ
    6*ϩδοΫͷఆٛ

12. ࣮૷ղઆ  㾎ϚϧνϞδϡʔϧ kotlin { android() ios { binaries {

    framework { baseName = "shared" } } } sourceSets { val commonMain by getting { dependencies { implementation(project(":shared:data:model")) implementation(project(":shared:presentation")) implementation(project(":shared:api")) implementation(project(":shared:data:infra")) ... } DPNQPOFOUTCVJMEHSBEMFLUT ,..Ͱ࡞੒ͨ͠
    ॳظͷঢ়ଶ͔Βʜ
    

13. ࣮૷ղઆ  㾎ϚϧνϞδϡʔϧ kotlin { android() ios { binaries {

    framework { baseName = "shared" export(project(":shared:data:model")) export(project(":shared:presentation")) } } } sourceSets { val commonMain by getting { dependencies { api(project(":shared:data:model")) api(project(":shared:presentation")) implementation(project(":shared:api")) implementation(project(":shared:data:infra")) ... } J04޲͚ʹެ։͍ͨ͠
    ϞδϡʔϧΛFYQPSU
    DPNNPO.BJO಺ͷґଘؔ܎Λ
    JNQMFNFOUBUJPO
    ˠ
    BQJʹमਖ਼ DPNQPOFOUTCVJMEHSBEMFLUT ˒
    EBUBNPEFMͱQSFTFOUBUJPO಺ͷ
    
    
    
    
    Ϋϥεɾϝιου͕J04͔ΒࢀরՄೳʹʂ

14. ࣮૷ղઆ  㾎ϚϧνϞδϡʔϧ ҼΈʹܥͷ࣌୅ͷ
    ϚϧνϞδϡʔϧରԠ͸ʜ
    SFG
    RJJUBDPNUBLBIJSPNJUFNTEGCGDBBF ͱͯ΋ͭΒ͍🥺 ˒ϚϧνϞδϡʔϧରԠ͸ܥ͔Β
    
    
    
    େ෯ʹָʹͳͬͨ🎉

15. ࣮૷ղઆ  㾎6*ϩδοΫڞ௨Խ
     ""$ͷ7JFX.PEFMΛDPNNPO.BJOͰѻ͑ΔΑ͏ʹίʔυΛ௥Ճ expect abstract class ViewModel constructor(

    coroutineScope: CoroutineScope? = null, ) { val viewModelScope: CoroutineScope } DPNNPO.BJO7JFX.PEFMLU import androidx.lifecycle.ViewModel as AndroidViewModel import androidx.lifecycle.viewModelScope as androidViewModelScope actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) : AndroidViewModel() { actual val viewModelScope = coroutineScope ?: androidViewModelScope } BOESPJE.BJO"OESPJE7JFX.PEFMLU actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) { actual val viewModelScope = coroutineScope ?: MainScope() } JPT.BJO/BUJWF7JFX.PEFMLU

16. ࣮૷ղઆ  㾎6*ϩδοΫڞ௨Խ
     ""$ͷ7JFX.PEFMΛDPNNPO.BJOͰѻ͑ΔΑ͏ʹίʔυΛ௥Ճ expect abstract class ViewModel constructor(

    coroutineScope: CoroutineScope? = null, ) { val viewModelScope: CoroutineScope } DPNNPO.BJO7JFX.PEFMLU import androidx.lifecycle.ViewModel as AndroidViewModel import androidx.lifecycle.viewModelScope as androidViewModelScope actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) : AndroidViewModel() { actual val viewModelScope = coroutineScope ?: androidViewModelScope } BOESPJE.BJO"OESPJE7JFX.PEFMLU actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) { actual val viewModelScope = coroutineScope ?: MainScope() } JPT.BJO/BUJWF7JFX.PEFMLU DPNNPO.BJOʹ
    FYQFDUम০ࢠΛ͚ͭͯ
    7JFX.PEFMΛఆٛ
    

17. ࣮૷ղઆ  㾎6*ϩδοΫڞ௨Խ
     ""$ͷ7JFX.PEFMΛDPNNPO.BJOͰѻ͑ΔΑ͏ʹίʔυΛ௥Ճ expect abstract class ViewModel constructor(

    coroutineScope: CoroutineScope? = null, ) { val viewModelScope: CoroutineScope } DPNNPO.BJO7JFX.PEFMLU import androidx.lifecycle.ViewModel as AndroidViewModel import androidx.lifecycle.viewModelScope as androidViewModelScope actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) : AndroidViewModel() { actual val viewModelScope = coroutineScope ?: androidViewModelScope } BOESPJE.BJO"OESPJE7JFX.PEFMLU actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) { actual val viewModelScope = coroutineScope ?: MainScope() } JPT.BJO/BUJWF7JFX.PEFMLU ""$ͷ7JFX.PEFMΛܧঝ
    WJFX.PEFM4DPQF΋
    +FUQBDLͷ֦ுϓϩύςΟΛࢀর
    

18. ࣮૷ղઆ  㾎6*ϩδοΫڞ௨Խ
     ""$ͷ7JFX.PEFMΛDPNNPO.BJOͰѻ͑ΔΑ͏ʹίʔυΛ௥Ճ expect abstract class ViewModel constructor(

    coroutineScope: CoroutineScope? = null, ) { val viewModelScope: CoroutineScope } DPNNPO.BJO7JFX.PEFMLU import androidx.lifecycle.ViewModel as AndroidViewModel import androidx.lifecycle.viewModelScope as androidViewModelScope actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) : AndroidViewModel() { actual val viewModelScope = coroutineScope ?: androidViewModelScope } BOESPJE.BJO"OESPJE7JFX.PEFMLU actual abstract class ViewModel actual constructor( coroutineScope: CoroutineScope? ) { actual val viewModelScope = coroutineScope ?: MainScope() } JPT.BJO/BUJWF7JFX.PEFMLU J04ଆ͸Կ΋ܧঝ͠ͳ͍
    WJFX.PEFM4DPQF͸
    ͱΓ͋͑ͣ .BJO4DPQFΛ౉͢
    

19. ࣮૷ղઆ  㾎6*ϩδοΫڞ௨Խ class IdolsViewModel( private val repository: IdolsRepository, )

    : ViewModel() { private val idolsLoadState: MutableStateFlow<LoadState> = MutableStateFlow(LoadState.Initialize) private val queryState: MutableStateFlow<String> = MutableStateFlow("") val uiModel: StateFlow<IdolsUiModel> get() = combine( idolsLoadState, queryState, ) { idolsLoadState, _ -> IdolsUiModel(idolsLoadState) }.distinctUntilChanged().stateIn(viewModelScope, SharingStarted.Eagerly, IdolsUiModel()) fun search(query: String? = null) { val job = viewModelScope.launch(start = CoroutineStart.LAZY) { runCatching { withContext(Dispatchers.Default) { repository.search(query) } } .onSuccess { idolsLoadState.value = LoadState.Loaded(it) } .onFailure { idolsLoadState.value = LoadState.Error(it) } } idolsLoadState.value = LoadState.Loading(job) job.start() } } ˒"OESPJEJ04ͷࠩΛҙࣝͤͣ
    ɹ6*ϩδοΫͷ࣮૷͕Մೳʹ🎉 ໊લݕࡧػೳΛ࣮૷ͨ͠
    7JFX.PEFM
    DPNNPO.BJO*EPMT7JFX.PEFMLU

20. ࣮૷ղઆ  㾎%*ίʔυڞ௨Խ
     ,PEFJOͱ,PJO Ћ൛ ͕.11ʹରԠ
     ,PEFJOΛར༻͠ɺඞཁͳΠϯελϯεΛ஫ೖ "OESPJEͷ৔߹

    class MainActivity : AppCompatActivity(), DIAware { override val di: DI = IdolsViewModelDI(Main.Module) private val viewModel: IdolsViewModel by viewModels { di.direct.instance<IdolsViewModel.Factory>() } ... .BJO"DUJWJUZLU

21. ࣮૷ղઆ  㾎%*ίʔυڞ௨Խ
     ,PEFJOͱ,PJO Ћ൛ ͕.11ʹରԠ
     ,PEFJOΛར༻͠ɺඞཁͳΠϯελϯεΛ஫ೖ "OESPJEͷ৔߹

    class MainActivity : AppCompatActivity(), DIAware { override val di: DI = IdolsViewModelDI(Main.Module) private val viewModel: IdolsViewModel by viewModels { di.direct.instance<IdolsViewModel.Factory>() } ... .BJO"DUJWJUZLU %*"XBSFΛܧঝ
    EJϓϩύςΟʹ
    ϞδϡʔϧΛ౉ͯ͠஫ೖ
    

22. ࣮૷ղઆ  㾎%*ίʔυڞ௨Խ
     ,PEFJOΛར༻͠ɺඞཁͳΠϯελϯεΛ஫ೖ J04ͷ৔߹ fun createViewModel( di: DI,

    ): IdolsViewModel = di.direct.instance<IdolsViewModel.Factory>().create() JPT.BJO/BUJWF%*LU 4XJGUͷΫϥεʹ%*"XBSFΛ্ख͘ܧঝͤ͞ΒΕͳ͍🥺
    ˠ%*Ϟδϡʔϧ͔ΒΠϯελϯεΛ௚઀ҾͬுΔϝιουΛ࣮૷
    

23. ࣮૷ղઆ  㾎%*ίʔυڞ௨Խ
     ,PEFJOΛར༻͠ɺඞཁͳΠϯελϯεΛ஫ೖ J04ͷ৔߹ class MainViewController: UIViewController, UISearchBarDelegate

    { private let di = IdolsViewModelDIKt.IdolsViewModelDI(modules: [Main().Module]) override func viewDidLoad() { super.viewDidLoad() viewModel = NativeDIKt.createViewModel(di: di) } ... .BJO7JFX$POUSPMMFSTXJGU

24. ࣮૷ղઆ  㾎%*ίʔυڞ௨Խ
     ,PEFJOΛར༻͠ɺඞཁͳΠϯελϯεΛ஫ೖ J04ͷ৔߹ class MainViewController: UIViewController, UISearchBarDelegate

    { private let di = IdolsViewModelDIKt.IdolsViewModelDI(modules: [Main().Module]) override func viewDidLoad() { super.viewDidLoad() viewModel = NativeDIKt.createViewModel(di: di) } ... .BJO7JFX$POUSPMMFSTXJGU %*ϞδϡʔϧΛ6*7JFX$POUSPMMFS಺Ͱੜ੒͠ɺ
    ࣮૷ͨ͠αϙʔτϝιουͰ7JFX.PEFMΛऔಘ
    ˒6*Ҏ֎ͷ෦෼͸
    
    
    
    ΄΅શͯڞ௨Խ🎉

25. 6*ϩδοΫ·Ͱڞ௨Խͯ͠ײͨ͜͡ͱ 㾎༧૝Ҏ্ʹϞμϯͳߏ੒ͷΞϓϦΛָʹ࣮૷Ͱ͖ͨ
     ඇಉظॲཧɺϏϧυपΓͷͭΒ͍෦෼͕େ͖͘վળ࣮͠༻తʹͳͬͨ
     "OESPJEJ04Λݸผ࣮૷͢ΔΑΓ΋ѹ౗తʹ଎࣮͘૷Ͱ͖ͨ
     ͭΒ͍෦෼ΑΓ΋ڞ௨ԽͷԸܙ͕େ͖͍ঢ়ଶʹ͔ͳΓ͍͍ۙͮͯΔ
     .11ͷ੝Γ্͕Γʹ߹ΘͤͯSE
    1BSUZϥΠϒϥϦ΋੒௕ͭͭ͋͠Δ

    Ұ෦ͷ໠ऀ͕௒ؤுͬͯѻ͏ஈ֊͔Βɺ
    ৽͍ٕ͠ज़ͱָͯ͠͠Έͳ͕Βѻ͑Δஈ֊ʹͳΓͭͭ͋Δ ؾ͕͢Δ
    ˞4XJGUྺ਺೔ͷݸਓͷײ૝Ͱ͢

26. ͭΒ͔ͬͨ͜ͱ 㾎9DPEFɾ4XJGUɾ6*,JUͳΜ΋Θ͔ΒΜ😇
     αϯϓϧΞϓϦͷ࣮૷Ͱ࠷΋࣌ؒΛফඅͨ͠ͷ͕J04ͷ6*࣮૷
     4XJGUͱ,PUMJO͸ࣅ͍ͯΔ͕ɺ"OESPJE
    4UVEJPͱ9DPEF͸׬શʹผ෺
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     ,PUMJOͷ-JTU
    ˠ
    4XJGUͷ"SSBZ
    

    ,PUMJOͷ"SSBZ
    ˠ
    4XJGUͰ͸,PUMJO"SSBZ
    🤯 ७ਮͳ6*࣮૷ʹ͚ͩूதͰ͖ͨͷ͸
    .11͔ͩΒͦ͜ͷར఺͔΋ʜ🤔
    

27. ࠓޙͷల๬ɾ·ͱΊ 㾎ςετίʔυΛ.11Ͱॻ͖͍ͨ
     "OESPJEJ04+4ͷϩδοΫΛςετίʔυͰνΣοΫͰ͖Δ ͸ͣ
    㾎J04ͷSE
    1BSUZϥΠϒϥϦ΋.11Ͱѻ͍͍ͨ
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    'JSFCBTF౳ͷϥΠϒϥϦΛ.11Ͱѻ͑ͨΒઈରָ͍͠ ϋʔυϧ͕೔ʹ೔ʹԼ͕Γͭͭ͋Δ,PUMJO
    .11Ͱͷ91MBU։ൃ
    Έͳ͞Μ΋ָָ͘͠Λͯ͠Έ·ͤΜ͔ʜʁ🥰
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    GPS
    MJTUFOJOH