Transition at RxJava 1.x to 2.x

第2回スタートアップAndroid勉強会
https://connpass.com/event/48090/

Transcript

1. 5SBOTJUJPOBU3Y+BWBYUPY
   3Y+BWBYַ׵3Y+BWBYפך獳遤
   

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2. 3ZVUBSP.JZBTIJUB
   $IBU8PSL !SZVHPP@
   

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3. 3Y+BWB
   3FBDUJWF&YUFOTJPOTGPSUIF+7.
   "OESPJEꟚ涪ַ׵鋅גծ葿ղדֹ׷
   ؝ؙٖءّٝ乼⡲
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   %BUBCJOEJOH
   +BWB"1*ך➿׻׶
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   0QUJPOBM
   &WFOU#VT
   

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4. 3Y+BWBY
   㸜㹀晛ٔٔ٦أ
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   ➭ך㹋鄲חכ"LLB4USFBNTהַ
   3Y+BWBYַ׵㢌刿ָ׉ֿ׉ֿ֮׷
   

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5. 3Y+BWBYח獳遤ׅ׷
   (JU)VCך8IBUˏTEJFSFODFJO׾铣׬
   ׮ֻ׮ֻה"1*׾刿倜ׅ׷
   3Y+BWB鸬䵿ٓ؎ـٓٔ׾،حفر٦زׅ׷
   ⹛⡲然钠
   

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6. /POOVMM
   Observable.create(emitter -> {
   emitter.onNext(null); // NPE
   });
   

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7. /POOVMM
   enum Notification { INSTANCE; }
   Observable.create(emitter -> {
   emitter.onNext(Notification.INSTANCE);
   });
   

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8. /POOVMM
   OVMM׾FNJUׅ׷ֿהכדֹזְ
   0CTFSWBCMF7PJEכ0CTFSWBCMF0CKFDUד

   FOVNך⦼׾FNJUׅ׷״ֲח㢌ִ׷
   NBQؔلٖ٦ة٦זודSFUVSOOVMM׍ׯ׏ג׋׵

   ⢽ִל/VMM0CKFDUػة٦ٝד㼎䘔ׅ׷
   -JHIUXFJHIU4USFBN"1*ה穈׫さ׻ׇג

   ⦼׾0QUJPOBMדٓحفׅ׷ך׮葺ְַ׮
   

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9. ,JDLTUBSUFSBOESPJEPTT
   
   

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10. #BDLQSFTTVSF Y
    
    List nums; // Huge list
    Observablecreate(emitter -> {
    for (int i : nums) {
    emitter.onNext(i);
    }
    })
    .onBackPressureBuffer()
    .subscribe(i -> { /* ignored */ });
    

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11. #BDLQSFTTVSF Y
    
    List nums; // Huge list
    Flowablecreate(emitter -> {
    for (int i : nums) {
    emitter.onNext(i);
    }
    }, BackpressureStrategy.BUFFER)
    .subscribe(i -> { /* ignored */ });
    

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12. #BDLQSFTTVSF
    0CTFSWBCMFד#BDLQSFTTVSFכ《׶䪔ִזְ
    'MPXBCMF׾⢪ֲ
    0CTFSWBCMFה'MPXBCMF׾幉㖈ׇׁ׷הֹכ岣䠐
    0CTFSWBCMFUP'MPXBCMF
    'MPXBCMFUP0CTFSWBCMF
    'MPXBCMFח㺔ׇ׋倯ָ#BDLQSFTTVSFח㼎䘔דֹ׉ֲ
    

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13. 4VCKFDU Y
    
    Subject subject =

    new SerializedSubject(

    PublishSubject.create());
    

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14. 4VCKFDU Y
    
    Subject subject =

    PublishSubject.create()

    .toSerialized();
    Processor processor =

    PublishProcessor.create()

    .toSerialized();
    

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15. 4VCKFDU
    4FSJBMJ[FE4VCKFDUכOFXדכזֻ

    傀㶷ך4VCKFDUַ׵UP4FSJBMJ[FEًاحسד⡲׷
    4VCKFDUדכ#BDLQSFTTVSFכ《׶䪔ִזְ
    1SPDFTTPS׾⢪ֲ
    

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16. 4DIFEVMFST Y
    
    .subscribeOn(Schedulers.immediate())
    

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17. 4DIFEVMFST Y
    
    .subscribeOn(Schedulers.trampoline())
    

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18. 4DIFEVMFST
    4DIFEVMFSTJNNFEJBUFכYדכ㶷㖈׃זְ
    ➿׻׶חUSBNQPMJOF׾⢪ֲ
    5ISFBE-PDBMחُؗ٦؎ؚٝ׃ג鷵如Ⳣ椚
    

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19. 3Y#JOEJOH
    3Y#JOEJOHכ7JFXך؎كٝز׾

    0CTFSWBCMFח㢌䳔׃גֻ׸׷
    ⥋걾ה㸜䗰ך+BLF8IBSUPO⯓欰⡲ㅷ
    植㖈NBTUFSـٓٝثָ3Y+BWBYח

    㼎䘔׃גְ׷ָծ姻䒭ٔٔ٦أָת׌
    

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20. 3Y#JOEJOH
    allprojects {

    repositories {

    maven { url 'https://jitpack.io' }

    }

    }
    compile 'com.github.JakeWharton.RxBinding:rxbinding:71f3a1b'
    CVJMEHSBEMF SPPU
    
    CVJMEHSBEMF BQQ
    
    ˟SYCJOEJOHBQQDPNQBUWװSYCJOEJOHTVQQPSUW׮ず圫ךغ٦آّٝ䭷㹀ד0,
    

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21. 3Y+BWBYח獳遤׃ג
    ׮ֻ׮ֻה堣唒涸ח縧ֹ䳔ִגְֻ
    OVMM׾FNJU׃ג׷ה/1&חז׷ךד岣䠐ָ䗳銲
    ずׄせ⵸ך"1*ד׮䮙⹛ָ㢌׻׏ג׷׮ך׮،ٔ
    ⢽ִל0CTFSWBCMFUP-JTUכ4JOHMF׾鵤ׅ
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22. &OKPZ3Y4USFBN-JGF
    

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