20190726 Background App Refresh Taskがやってきた

Transcript

1. #BDLHSPVOE
   "QQ
   
   3FGSFTI
   5BTL͕
   ΍͖ͬͯͨ 
   .PCJMF
   "DU
   04","
   
   JUPL!ͦΒ͔ͥ

2. JUPL!ͦΒ͔ͥ w ͍ͱ͏͚͍ʢJUPLʣ
   w
   ɹɹɹɹɹɹͷதͷਓʢʴ෭ۀˏ͸ͯͳʣ
   w ϞόΠϧΞϓϦΤϯδχΞ
   ݉
   $&0
   w IUUQTJUPLKQ
   IUUQTTPSBLB[FDPKQ

   
   !JUPLKQ

3. ॴࡏ஍ɿژ౎ࢢதژ۠
   ࣾһਓࣗ෼

4. J04
   
   "OESPJE
   
   NBD04
   
   8JOEPXT
   
   αʔό
   ҰਓͰ΍ͬͯ·͢ʢσβΠϯҎ֎ʣ

5. #BDLHSPVOE
   "QQ
   
   3FGSFTI
   5BTL͕
   ΍͖ͬͯͨ

6. "EWBODFT
   JO
   "QQ
   #BDLHSPVOE
   &YFDVUJPO EFWFMPQFSBQQMFDPNWJEFPTQMBZXXED 88%$
   
   4FTTJPO
   

7. J04
   

8. #BDLHSPVOE5BTLT
   GSBNFXPSL

9. None

10. #BDLHSPVOE
    "QQ
    3FGSFTI
    
    5BTL w ඵؒಈ͚Δ
    w ΞϓϦΛ࠷৽ͷঢ়ଶʹอͯΔ
    w CBDLHSPVOE
    GFUDIͷ"1*͸EFQSFDBUFE
    w NBD04͸چ"1*Ͱಈ͔ͳ͍͔Β
    J1BE04
    

    
    $BUBMZTU࢖͏ͳΒ͜ΕʹҠߦ͢΂͠

11. #BDLHSPVOE
    1SPDFTTJOH
    
    5BTL w ਺෼ಈ͚Δ
    w %#ͷϝϯςφϯεͱ͔ɺ.-ͷֶशͱ͔

12. ४උ w DBQBCJMJUZˠCBDLHSPVOE
    NPEFTˠ
    w CBDLHSPVOE
    GFUDI
    w CBDLHSPVOE
    QSPDFTTJOH
    w *OGPQMJTUˠ#(5BTL4DIFEVMFS1FSNJUUFE*EFOUJpFST
    w

    λεΫͷࣝผࢠΛྻڍ

13. λεΫͷొ࿥ BGTaskScheduler.shared.register(forTaskWithIdentifier: "XXX", using: nil) { task in self.handleAppRefresh(task: task

    as! BGAppRefreshTask) }

14. λεΫͷ౤ೖ func applicationDidEnterBackground(_ application: UIApplication) { scheduleAppRefresh() } func scheduleAppRefresh()

    { let request = BGAppRefreshTaskRequest(identifier: "XXX") request.earliestBeginDate = Date(timeIntervalSinceNow: 15 * 60) do { try BGTaskScheduler.shared.submit(request) } catch { print("Could not schedule app refresh: \(error)") } }

15. λεΫͷ࣮ߦ func handleAppRefresh(task: BGAppRefreshTask) { // ඞཁ͕͋Ε͹࠶౤ೖ scheduleAppRefresh() task.expirationHandler =

    { // ࣮ߦظݶ͕੾Εͨͱ͖ͷΩϟϯηϧॲཧ } // do something // λεΫ׬ྃ task.setTaskCompleted(success: true) }

16. ύϥϝʔλ w ڞ௨
    w FBSMJFTU#FHJO%BUF
    w ԕ͗͢Δະདྷ͸ͩΊ
    w िؒҎ಺͘Β͍͕๬·͍͠
    w

    ʮ࠷୹ʯͳͷͰ࣮ߦ͞ΕΔͱ͸ݶΒͳ͍

17. ύϥϝʔλ w QSPDFTTJOH
    UBTL
    w SFRVJSFT/FUXPSL$POOFDUJWJUZ
    w SFRVJSFT&YUFSOBM1PXFS
    w $16Λ࢖͏࢓ࣄΛ͢Δ৔߹͸USVFʹ͓ͯ͜͠͏

18. σόοά w σόοΨ͔ΒλεΫͷ࣮ߦ΍ظݶ੾ΕΛςετՄೳ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOCBDLHSPVOEUBTLT TUBSUJOH@BOE@UFSNJOBUJOH@UBTLT@EVSJOH@EFWFMPQNFOU 
    F
    M
    PCKD
    
    WPJE <<#(5BTL4DIFEVMFS
    TIBSFE4DIFEVMFS>
    a
    
    
    
    
    @TJNVMBUF-BVODI'PS5BTL8JUI*EFOUJpFS!999>

19. #BDLHSPVOEΛ੐ͯ͠
    ΑΓΑ͍ϢʔβମݧΛʂ