完全に理解した気になる Kotlin Coroutines

Transcript

1. 㸣Ⰻח椚鍑׃׋孡חז׷
   ,PUMJO$PSPVUJOFT
   UBLBIJSPN
   

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2. ˖ UBLBIJSPN !OFX@SVOOBCMF
   דׅկ
   ˖ 劤せכ嬁「䃨峔 ׭׿ׄױ׋ַמ׹
   דׅկ
   ˖ "OESPJEָ㥨ֹדׅ
   ˖ "CFNB57ך"OESPJE،فٔ׾⡲׏גְתׅկ
   ˖ 2JJUBח׮剅ְ׋ךדծ׉׸׾鋅זָ׵耀ְג
   ֻ׌ְׁկ
   ˖ IUUQTRJJUBDPNUBLBIJSPNJUFNT
   CBBEDDGCB
   荈ⴓחאְג
   

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3. $PSPVUJOFTך
   椚鍑ָꨇ׃ְ
   

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4. ⢪׻׸׷$PSPVUJOFTך"1*
   

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5. ⢪׻׸׷$PSPVUJOFTך"1*
   ˖ MBVODI
   

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6. ⢪׻׸׷$PSPVUJOFTך"1*
   ˖ MBVODI
   ˖ BTZOD
   

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7. ⢪׻׸׷$PSPVUJOFTך"1*
   ˖ MBVODI
   ˖ BTZOD
   ˖ BXBJU
   

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8. ⢪׻׸׷$PSPVUJOFTך"1*
   ˖ MBVODI
   ˖ BTZOD
   ˖ BXBJU
   ˖ XJUI$POUFYU
   

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9. ⢪׻׸׷$PSPVUJOFTך"1*
   ˖ MBVODI
   ˖ BTZOD
   ˖ BXBJU
   ˖ XJUI$POUFYU
   ˖ $PSPVUJOF$POUFYU
   

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10. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    

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11. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    

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12. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    

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13. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    

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14. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    

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15. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    

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16. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    

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17. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    

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18. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    

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19. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    

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20. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    ˖ 3FDFJWF$IBOOFM
    

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21. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    ˖ 3FDFJWF$IBOOFM
    ˖ BDUPS
    

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22. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    ˖ 3FDFJWF$IBOOFM
    ˖ BDUPS
    ˖ SVO#MPDLJOH
    

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23. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    ˖ 3FDFJWF$IBOOFM
    ˖ BDUPS
    ˖ SVO#MPDLJOH
    ˖ KPJO
    

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24. ⢪׻׸׷$PSPVUJOFTך"1*
    ˖ MBVODI
    ˖ BTZOD
    ˖ BXBJU
    ˖ XJUI$POUFYU
    ˖ $PSPVUJOF$POUFYU
    ˖ $PNNPO1PPM
    ˖ $POUJOVBUJPO
    ˖ TVTQFOE$PSPVUJOF
    ˖ $PSPVUJOF%JTQBUDIFS
    ˖ %FGFSSFE
    ˖ 6ODPOOFE
    ˖ BOESPJE6*
    ˖ %FGBVMU%JTQBUDIFS
    ˖ 3FOEF[WPVT$IBOOFM
    ˖ 4FOE$IBOOFM
    ˖ 3FDFJWF$IBOOFM
    ˖ BDUPS
    ˖ SVO#MPDLJOH
    ˖ KPJO
    ˖ 
    

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25. 㢳ְ
    

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26. ת׆כ㛇劤涸זהֿ׹ַ׵
    ׍ׯ׿ה椚鍑׃׋ְ
    

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27. MBVODI
    
    launch {
    println("thread:"+Thread.currentThread())
    }
    MBVODIדDPSPUVJOF׾饯⹛ׅ׷
    

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28. MBVODI
    
    launch {
    println("thread:"+Thread.currentThread())
    }
    thread:Thread[ForkJoinPool.commonPool-worker-2,5,main]
    MBVODIדDPSPUVJOF׾饯⹛ׅ׷
    

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29. MBVODI
    
    launch {
    println("thread:"+Thread.currentThread())
    }
    thread:Thread[ForkJoinPool.commonPool-worker-2,5,main]
    ֿ̓ך5ISFBEכוַֿ׵勻׋
    MBVODIדDPSPUVJOF׾饯⹛ׅ׷
    

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30. MBVODI
    
    launch {
    println("thread:"+Thread.currentThread())
    }
    thread:Thread[ForkJoinPool.commonPool-worker-2,5,main]
    MBVODIדDPSPUVJOF׾饯⹛ׅ׷
    MBVODIך⚥׾鋅ח遤ֲֿ
    

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31. MBVODI
    ך⚥魦
    public fun launch(
    context: CoroutineContext = DefaultDispatcher,
    start: CoroutineStart = CoroutineStart.DEFAULT,
    parent: Job? = null,
    onCompletion: CompletionHandler? = null,
    block: suspend CoroutineScope.() -> Unit
    ): Job {
    㹋כ$PSPVUJOF$POUFYUד㹋遤ׅ׷5ISFBEָ寸ת׷
    

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32. MBVODI
    ך$PSPVUJOF$POUFYU
    public fun launch(
    context: CoroutineContext = DefaultDispatcher,
    start: CoroutineStart = CoroutineStart.DEFAULT,
    parent: Job? = null,
    onCompletion: CompletionHandler? = null,
    block: suspend CoroutineScope.() -> Unit
    ): Job {
    䒷侧ך$PSPVUJOF$POUFYUכرؿٕؓزד%FGBVMU%JTQBUDIFS
    植朐כ%FGBVMU%JTQBUDIFSכ$PNNPO1PPM
    public val DefaultDispatcher: CoroutineDispatcher = CommonPool
    

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33. MBVODI
    ך$PSPVUJOF$POUFYU
    public fun launch(
    context: CoroutineContext = DefaultDispatcher,
    start: CoroutineStart = CoroutineStart.DEFAULT,
    parent: Job? = null,
    onCompletion: CompletionHandler? = null,
    block: suspend CoroutineScope.() -> Unit
    ): Job {
    $PNNPO1PPM
    public val DefaultDispatcher: CoroutineDispatcher = CommonPool
    

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34. MBVODI
    ד⢪׻׸גְ׷
    $PNNPO1PPM
    object CommonPool : CoroutineDispatcher() {
    override fun dispatch(
    context: CoroutineContext,
    block: Runnable
    ) =
    try { (pool ?: getOrCreatePoolSync()).execute(timeSource.trackTask(block)) }
    …
    $PNNPO1PPMך
    EJTQBUDIًاحسָㄎל׸׷
    

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35. MBVODI
    ד⢪׻׸גְ׷
    $PNNPO1PPM
    object CommonPool : CoroutineDispatcher() {
    override fun dispatch(
    context: CoroutineContext,
    block: Runnable
    ) =
    try { (pool ?: getOrCreatePoolSync()).execute(timeSource.trackTask(block)) }
    …
    5ISFBE1PPMָזֽ׸ל⡲׶ծFYFDVUFׅ׷׌ֽ
    

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36. 知⽃ז

    %JTQBUDIFS׾⡲׏ג׫׷
    

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37. 鑐׃ח$PSPVUJOF%JTQBUDIFS׾

    ⡲׏ג׫׷
    class MyDispatcher : CoroutineDispatcher() {
    override fun dispatch(context: CoroutineContext,
    block: Runnable) {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    launch(MyDispatcher()) {
    println("thread:"+Thread.currentThread())
    }
    $PSPVUJOF%JTQBUDIFS׾竰䪫׃׋ؙٓأ׾⡲׷
    

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38. 鑐׃ח$PSPVUJOF%JTQBUDIFS׾

    ⡲׏ג׫׷
    class MyDispatcher : CoroutineDispatcher() {
    override fun dispatch(context: CoroutineContext,
    block: Runnable) {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    launch(MyDispatcher()) {
    println("thread:"+Thread.currentThread())
    }
    荈ⴓד⡲׏׋%JTQBUDIFS׾䭷㹀ׅ׷
    

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39. 鑐׃ח$PSPVUJOF%JTQBUDIFS׾

    ⡲׏ג׫׷
    class MyDispatcher : CoroutineDispatcher() {
    override fun dispatch(context: CoroutineContext,
    block: Runnable) {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    launch(MyDispatcher()) {
    println("thread:"+Thread.currentThread())
    }
    EJTQBUDIًاحس׾㹋鄲׃ג׫׷
    

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40. class MyDispatcher : CoroutineDispatcher() {
    override fun dispatch(context: CoroutineContext,
    block: Runnable) {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    launch(MyDispatcher()) {
    println("thread:"+Thread.currentThread())
    }
    EJTQBUDICFGPSF
    UISFBE5ISFBE
    EJTQBUDIBGUFS
    ׉ךתתךأٖحسד
    㹋遤דֹ׋
    

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41. $PSPVUJOFT׏ג5ISFBEה
    ずׄדכ
    

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42. $PSPVUJOFTחכ

    ⚥倖ָ֮׷
    

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43. ⚥倖
    class MyDispatcher : CoroutineDispatcher() {
    val executor = Executors.newSingleThreadExecutor()
    override fun dispatch(context: CoroutineContext, block: Runnable) {
    executor.execute {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    }
    launch(MyDispatcher()) {
    println("1:" + Thread.currentThread())
    suspendCoroutine { continuation ->
    thread {
    // ී௨ʹthreadΛ࡞࣮ͬͯߦ͢Δ
    // தஅ͞ΕͨCoroutinesΛ࠶։͢Δ
    continuation.resume("test")
    }
    }
    println("2:" + Thread.currentThread())
    }
    㹋ꥷך⹛ֹח

    さ׻ׇ׷׋׭
    ➙㔐ך⢽דכ
    FYFDVUPS׾⢪ֲ
    

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44. class MyDispatcher : CoroutineDispatcher() {
    val executor = Executors.newSingleThreadExecutor()
    override fun dispatch(context: CoroutineContext, block: Runnable) {
    executor.execute {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    }
    launch(MyDispatcher()) {
    println("1:" + Thread.currentThread())
    suspendCoroutine { continuation ->
    thread {
    // ී௨ʹthreadΛ࡞࣮ͬͯߦ͢Δ
    // தஅ͞ΕͨCoroutinesΛ࠶։͢Δ
    continuation.resume("test")
    }
    }
    println("2:" + Thread.currentThread())
    }
    TVTQFOE$PSPVUJOF
    ׾⢪ֲה
    DPSPVUJOFT⚥倖דֹ׷
    

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45. class MyDispatcher : CoroutineDispatcher() {
    val executor = Executors.newSingleThreadExecutor()
    override fun dispatch(context: CoroutineContext, block: Runnable) {
    executor.execute {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    }
    launch(MyDispatcher()) {
    println("1:" + Thread.currentThread())
    suspendCoroutine { continuation ->
    thread {
    // ී௨ʹthreadΛ࡞࣮ͬͯߦ͢Δ
    // தஅ͞ΕͨCoroutinesΛ࠶։͢Δ
    continuation.resume("test")
    }
    }
    println("2:" + Thread.currentThread())
    }
    SFTVNF
    ׾⢪ֲהⱄꟚדֹ׷
    

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46. override fun dispatch(context: CoroutineContext, block: Runnable)
    executor.execute {
    println("dispatch:before")
    block.run()
    println("dispatch:after")
    }
    }
    }
    launch(MyDispatcher()) {
    println("1:" + Thread.currentThread())
    suspendCoroutine { continuation ->
    thread {
    // ී௨ʹthreadΛ࡞࣮ͬͯߦ͢Δ
    // தஅ͞ΕͨCoroutinesΛ࠶։͢Δ
    continuation.resume("test")
    }
    }
    println("2:" + Thread.currentThread())
    }
    ⚥倖⵸ה⚥倖䖓ךⱄꟚד
    㔐5ISFBE1PPMד
    㹋遤ׁ׸גְ׷
    EJTQBUDICFGPSF
    5ISFBE
    EJTQBUDIBGUFS
    ͜͜ͰҰ౓தஅ
    EJTQBUDICFGPSF
    5ISFBE
    EJTQBUDIBGUFS
    

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47. "OESPJEד
    㹋ꥷוֲ⢪ֲ
    

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48. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    "1*ַ׵《䖤׃גծ׉ךⰻ㺁׾4OBDLCBSח⳿ׅ⢽
    

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49. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    "1*ַ׵《䖤׃גծ׉ךⰻ㺁׾4OBDLCBSח⳿ׅ⢽
    6*ծծ
    

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50. val UI = HandlerContext(Handler(Looper.getMainLooper()), “UI")
    public class HandlerContext(
    private val handler: Handler,
    private val name: String? = null
    ) : CoroutineDispatcher(), Delay {
    …
    override fun dispatch(context: CoroutineContext, block: Runnable) {
    handler.post(block)
    }
    launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    "OESPJEך)BOEMFS׾⡲׷
    

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51. val UI = HandlerContext(Handler(Looper.getMainLooper()), “UI")
    public class HandlerContext(
    private val handler: Handler,
    private val name: String? = null
    ) : CoroutineDispatcher(), Delay {
    …
    override fun dispatch(context: CoroutineContext, block: Runnable) {
    handler.post(block)
    }
    launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    "OESPJEך)BOEMFSחQPTUׅ׷׌ֽ
    

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52. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    

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53. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    GFUDI
    ך⚥כ
    

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54. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    Api.kt
    interface ApiSearvice {
    @GET("/")
    fun fetchDeferrd(@Query("zipcode") zipCode: String = "1000000"):
    Deferred
    }
    val service = retrofit.create(ApiSearvice::class.java)
    suspend fun fetch(): Response {
    return service.fetchDeferrd().await()
    }
    3FUSPUח״׷㹋鄲
    

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55. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    Api.kt
    interface ApiSearvice {
    @GET("/")
    fun fetchDeferrd(@Query("zipcode") zipCode: String = "1000000"):
    Deferred
    }
    val service = retrofit.create(ApiSearvice::class.java)
    suspend fun fetch(): Response {
    return service.fetchDeferrd().await()
    }
    SFUSPULPUMJODPSPVUJOFTBEBQUFS׾⢪ֲה

    %FGFSSFE׾鵤ׅ
    

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56. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    Api.kt
    interface ApiSearvice {
    @GET("/")
    fun fetchDeferrd(@Query("zipcode") zipCode: String = "1000000"):
    Deferred
    }
    val service = retrofit.create(ApiSearvice::class.java)
    suspend fun fetch(): Response {
    return service.fetchDeferrd().await()
    }
    %FGFSSFEכBXBJU
    ׅ׷ֿהד穠卓׾《䖤דֹ׷
    BXBJU
    ׾ㄎעֿהדDPSPVUJOFTָ⚥倖׃גծ
    0L)UUQך鸐⥋أٖحسד《䖤׃גծ
    《䖤דֹ如痥ⱄꟚׅ׷կ
    

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57. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    Api.kt
    interface ApiSearvice {
    @GET("/")
    fun fetchDeferrd(@Query("zipcode") zipCode: String = "1000000"):
    Deferred
    }
    val service = retrofit.create(ApiSearvice::class.java)
    suspend fun fetch(): Response {
    return service.fetchDeferrd().await()
    }
    TVTQFOEًاحس׾⢪ֲהծ
    BXBJU
    ׾剅ַ׆חず劍涸ח《䖤׃גְ׷״ֲח剅ֽ׷
    ,PUMJOךط؎ذ؍ـזأة؎ٕכֿך剅ֹ倯
    ˖ IUUQTHJUIVCDPN,PUMJOLPUMJODPSPVUJOFTCMPCNBTUFSLPUMJODPSPVUJOFTJOGPSNBMNEBTZODISPOPVTQSPHSBNNJOHTUZMFT
    

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58. launch(UI) {
    val response = api.fetch()
    Snackbar.make(view, "code:${response.code}", Snackbar.LENGTH_LONG)
    .setAction("Action", null).show()
    }
    Api.kt
    interface ApiSearvice {
    @GET("/")
    fun fetchDeferrd(@Query("zipcode") zipCode: String = "1000000"):
    Deferred
    }
    val service = retrofit.create(ApiSearvice::class.java)
    suspend fun fetch(): Response {
    return service.fetchDeferrd().await()
    }
    TVTQFOEًاحس׾⢪ֲ׋׭ח׻ׂ׻ׂٓحف׃גְ׷
    ˖ IUUQTHJUIVCDPN,PUMJOLPUMJODPSPVUJOFTCMPCNBTUFSLPUMJODPSPVUJOFTJOGPSNBMNEBTZODISPOPVTQSPHSBNNJOHTUZMFT
    

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59. ׌ְ׋ְ椚鍑דֹ׋
    

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60. תה׭
    ˖ $PSPVUJFOTכ5ISFBE♳ד⹛ֻծ⹛ֹכ然钠דֹ׷
    ˖ ⚥倖ָדֹגⱄꟚָדֹ׷
    ˖ TVTQFOE׾⢪׏׋剅ֹ倯ד剅ְגְֻ
    

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