Cookpad TechKitchen#6-android-with-ml-and-scheduler

Transcript

1. ػցֶशͱ+PC4DIFEVMFSΛ࢖ͬͨϓϩμΫτ։ൃ ٢ాສً LB[Z
   αʔϏε։ൃ෦
2. ؔΘͬͨϓϩμΫτ ʮྉཧ͖Ζ͘ʯ
   
   ྉཧࣸਅ͚ͩ͋ͭΊͯه࿥͢Δ
3. ྉཧ͖Ζ͘ͷ࢓૊Έ  $PPLQBEΞϓϦ͸෼ִؒͰ৽نࣸਅΛ୳͢
    ৽نࣸਅ͕ݟ͔ͭͬͨ৔߹͸ɺྉཧ൑ఆ͢Δ
    ྉཧͱ൑ఆ͞ΕͨࣸਅΛΞοϓϩʔυ͢Δ
4. ྉཧ͖Ζ͘ͷٕज़తͳಛ௃  ػցֶशΛར༻ͨ͠ྉཧը૾൑ఆ
    +PC4DIFEVMFSͷϓϩμΫγϣϯͰͷར༻
5. ػցֶश
   ͱ
   ωΠςΟϒΞϓϦ
6. ֶशϞσϧΛͲ͜ʹஔ͔͘  ୺຤಺ʹֶशϞσϧΛ಺ଂ͠ɺΞϓϦ಺Ͱ൑ఆ͢Δ
    αʔόʔଆʹϞσϧΛஔ͍ͯɺ"1*Ͱ݁ՌΛड͚औΔ
7. ୺຤಺ʹֶशϞσϧΛஔ͘৔߹  ྑ͍఺ - ߴ଎ - ઃܭ͕γϯϓϧ - ࢪࡦͷࣗ༝౓͕ߴ͍
8. ୺຤಺ʹֶशϞσϧΛஔ͘৔߹  ྑ͘ͳ͍఺ - ֶशϞσϧΛখ͘͢͞Δ౒ྗ͕ඞཁ - Ϟσϧͷվળ͕ΞϓϦͷϦϦʔεαΠΫϧʹґଘ - NDKΛ࢖͏։ൃ͕ආ͚ΒΕͳ͍..?
9. αʔόʔଆʹֶशϞσϧΛஔ͘৔߹  ྑ͍఺ - ϞσϧͷαΠζ͕େ͖ͯ͘΋໰୊ͳ͍ - ॊೈʹϞσϧͷࠩ͠ସ͕͑Մೳ
10. αʔόʔଆʹֶशϞσϧΛஔ͘৔߹  ྑ͘ͳ͍఺ - ൑ఆϑϩʔ͕ෳࡶʹͳΓ͕ͪ - ௨৴ྔ͕ൺֱతଟ͘ͳΔ
11. ΞʔΩςΫνϟͷ࿩
12. εέʔϧ͠ͳ͍
    ॳظͷΞʔΩςΫνϟ
13. T
14. ॳظͷΞʔΩςΫνϟͷ໰୊఺  ը૾Ξοϓϩʔυ΍൑ఆͷ
    *0
    ଴ͪʹΑͬͯ
 "1*αʔόʔͷXPSLFS͕࢖͍੾ͬͯ͠·͏
     େྔͷը૾͕DPPLQBEͷ"1*αʔόʔʹૹ৴͞Εɺ
 τϥϑΟοΫ͕૿Ճ͢Δ
15. ݱࡏͷΞʔΩςΫνϟ
18. ৽ΞʔΩςΫνϟͰมߋͨ͠఺  ඇಉظ ϙʔϦϯά Ͱ൑ఆ݁ՌΛड͚औΔ
     ը૾ͷΞοϓϩʔυ͸͢΂ͯ4ʹ௚઀౤͛Δ
19. ݁ՌΛඇಉظͰड͚औΔ࢓૊Έ  ΞϓϦ͔Βը૾Λ௚઀4ʹΞοϓ͢Δ
     4ʹը૾͕Ξοϓ͞ΕΔͱ424ʹΩϡʔ͞ΕΔ
     ֶशϞσϧ͕ࡌͬͨQZUIPOαʔόʔ͕ը૾Λड͚औΔ
     ྉཧը૾͔൑ఆͯ͠ɺ%#ʹ݁ՌΛॻ͖ࠐΉ
     ΞϓϦ͔Β"1*Λ௨ͯ݁͠ՌΛಡΈʹߦ͘
21. ػցֶश
    ͱ
    ωΠςΟϒΞϓϦ  ϞσϧΛ୺຤಺ʹ͍ΕΔͷ͔ɺ"1*ܦ༝Ͱར༻͢Δ͔
     "1*ܦ༝ͷ৔߹ಉظతͳ΍ΓऔΓ͸ݫ͍͠
     εέʔϧ͢ΔΞʔΩςΫνϟΛؤு࣮ͬͯ૷͢Δ
22. +PC4DIFEVMFSͷجຊͱUJQT
23. +PC4DIFEVMFS  -PMMJQPQͰొ৔ͨ͠ൺֱత৽͍͠"1*
     4FSWJDFΛ೚ҙͷλΠϛϯάͰɺىಈ͢Δ͜ͱ͕ग़དྷΔ
 δϣϒεέδϡʔϥʔ
     DPPLQBEΞϓϦ ྉཧ͖Ζ͘ Ͱ͸+PC4DIFEVMFSΛ࠾༻ͨ͠
24. +PC4DIFEVMFSαϯϓϧ 4FSWJDFଆ public class MyJobService extends JobService {
 
 @Override
 public boolean onStartJob(JobParameters job) { // ͜͜ʹॲཧΛهड़͢Δ
 return false;
 }
 
 @Override
 public boolean onStopJob(JobParameters job) {
 return false;
 }
 } <service
 android:name=".MyJobService"
 android:exported="true"
 android:permission="android.permission.BIND_JOB_SERVICE" />
25. +PC4DIFEVMFSαϯϓϧ 4FSWJDFଆ public class MyJobService extends JobService {
 @Override
 public boolean onStartJob(JobParameters params) { // ͜͜͸ϝΠϯεϨου
 tooHeavyJob()
 .subscribeOn(Schedulers.io())
 .subscribe(result -> {
 // Կ͔ߋ৽ॲཧͳͲΛߦ͏
 jobFinished(params, false);
 // δϣϒ͕ࣦഊͨ͠৔߹͸trueΛ౉͢ͱ࠶εέδϡʔϧ
 });
 // ಉظॲཧͷ৔߹͸false/ඇಉظॲཧͷ৔߹͸trueΛฦ͢
 return true;
 }
 
 @Override
 public boolean onStopJob(JobParameters params) { // δϣϒ͕׬ྃ͢ΔલʹγεςϜ͕Ωϟϯηϧ͢Δͱݺ͹ΕΔ
 return false;
 }
 }
26. +PC4DIFEVMFSαϯϓϧ εέδϡʔϧॲཧ 
 public class MyJobService extends JobService {
 
 private static final int PERIODIC_JOB_ID = 1;
 
 public static void setPeriodicSchedule(Context context) {
 JobScheduler scheduler = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
 
 JobInfo jobInfo = new JobInfo.Builder(PERIODIC_JOB_ID,
 new ComponentName(context, MyJobService.class))
 .setPeriodic(TimeUnit.MINUTES.toMillis(30))
 .setPersisted(true)
 .setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
 .build();
 scheduler.schedule(jobInfo);
 }
 
 public static void cancelPeriodicSchedule(Context context) {
 JobScheduler scheduler = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
 scheduler.cancel(PERIODIC_JOB_ID);
 } }
27. +PC4DIFEVMFSͰεέδϡʔϧʹར༻Ͱ͖Δ৚݅  ࠷େకΊ੾Γ࣌ؒ
    TFU0WFSSJEF%FBEMJOF
     ࠷௿஗Ԇ࣌ؒ
    TFU.JOJNVN-BUFODZ
     όοΫΦϑϦτϥΠํ਑
    TFU#BDLPGG$SJUFSJB
     ௨৴؀ڥͷ੍໿
    TFU3FRVJSFE/FUXPSL5ZQF
     ॆి؀ڥͷ੍໿
    TFU3FRVJSFT$IBSHJOH
     ΞΠυϧঢ়ଶͷ੍໿
    TFU3FRVJSFT%FWJDF*EMF
     ܁Γฦ͠ͷεέδϡʔϦϯά
    TFU1FSJPEJD
     ࠶ىಈ࣌ͷӬଓԽ
    TFU1FSTJTUFE
28. +PC
    4DIFEVMFSʹύϥϝʔλΛ౉͢  +PC*OGP#VJMEFSTFU&YUSBT 1FSTJTUBCMF#VOEMF
    FYUSBT 
 PersistableBundle bundle = new PersistableBundle();
 JobInfo jobInfo = new JobInfo.Builder(JOB_TAG,
 new ComponentName(this, MyJobService.class))
 .setExtras(bundle)
 .build(); public class MyJobService extends JobService {
 @Override
 public boolean onStartJob(JobParameters params) {
 PersistableBundle bundle = params.getExtras();
 // PersistableBundle͸εέδϡʔϧ࣌ʹӬଓԽ͞ΕΔͷͰɺ
 // ͜͜Ͱॻ͖׵͑ͯ΋࣍ճͷjobʹ͸൓ө͞Εͳ͍
 return false;
 }
 }  +PC1BSBNFUFSTHFU&YUSBT
29. εέδϡʔϧঢ়گΛίʔυͰ֬ೝ͢Δ  +PC4DIFEVMFSHFU"MM1FEJOH+PCT
     εέδϡʔϧ͞Ε͍ͯΔKPC*OGPϦετ͕ड͚औΕΔ
     εέδϡʔϧͨ͠ࡍʹ౉ͨ͠*%Λൺֱ͢Δ 
 public static boolean isPending(Context context, int serviceId) {
 JobScheduler scheduler = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
 List<JobInfo> pendingJobList = scheduler.getAllPendingJobs();
 for (JobInfo jobInfo : pendingJobList) {
 if (serviceId == jobInfo.getId()) {
 return true;
 }
 }
 return false;
 }
30. BECίϚϯυͰ+PC4DIFEVMFSͷঢ়ଶΛ֬ೝ͢Δ  δϣϒεέδϡʔϥʔʹొ࿥͞ΕͯΔλεΫҰཡ
     ࣮ߦ଴ͪͷλεΫҰཡ
     ࣮ߦ͞ΕͨλεΫͷώετϦʔҰཡ
     04όʔδϣϯʹΑͬͯද͕ࣔ΍΍ҧ͏ 
 adb shell dumpsys jobscheduler

31. +PC
    4DIFEVMFS  ྑ͍఺
     04ඪ४ͳͷͰ৴པ౓͸ߴ͍
     ࡉ͔͍εέδϡʔϧ৚͕݅ࢦఆͰ͖Δ
     ࠶ىಈͯ͠΋ӬଓԽ͞ΕΔ࢓૊Έ͕͋Δ
     ϚϧνϢʔβʔʹରԠ
     ϖϯσΟϯάதͷ+PCҰཡ͕औಘͰ͖Δ
32. +PC
    4DIFEVMFS  ྑ͘ͳ͍఺
     ཁٻ͞ΕΔ"QJϨϕϧ Ҏ্ ͕ߴ͍
     ϓϩμΫγϣϯͰͷར༻࣮੷͕গͳ͍
     σόοά͕ͱʹ͔͘େม
33. +PC4DIEVMFS։ൃͰؾΛ͚͍ͭͨϙΠϯτ
34. 
    ΞϓϦͷߋ৽Ͱεέδϡʔϧ͕ফ͑Δ  ݱ৅
     ઃఆͨ͠εέδϡʔϧ͕ফ͍͑ͯΔ
     ࠶ݱ৚݅
     ܥͷ୺຤ͰΞϓϦΛߋ৽͢ΔͱϦηοτ͞ΕΔ
     ରԠࡦ
     ύοέʔδͷߋ৽Λݕ஌ͯ͠࠶ઃఆ͢Δ
35. ύοέʔδߋ৽ΠϕϯτΛϋϯυϦϯά͢Δ <receiver android:name=".receiver.PackageReplacedBroadcastReceiver">
 <intent-filter>
 <action android:name="android.intent.action.MY_PACKAGE_REPLACED" />
 </intent-filter>
 </receiver> @Override
 public void onReceive(Context context, Intent intent) {
 super.onReceive(context, intent);
 String action = intent.getAction();
 if (Intent.ACTION_MY_PACKAGE_REPLACED.equals(action)) {
 // εέδϡʔϧ͞Ε͍ͯΔ͔֬ೝ͢Δɻ
 }
 }
36. Ұ౓͖Γͷδϣϒ͕ճىಈ͢Δ  ݱ৅
     Ұ౓͖Γͷεέδϡʔϧͷ͸͕ͣෳ਺ճىಈ͢Δ
     ࠶ݱ৚݅
     /ະຬͷશͯͷ୺຤
     +PCͷ࣮ߦ࣌ؒΑΓ%FBEMJOF͕୹͍ͱෳ਺ճىಈ͢Δ
     ରԠࡦ
     %FBEMJOFΛ৳͹͢ɺνΣοΫػߏΛ༻ҙ͢Δ IUUQTUBDLPWFSGMPXDPNRVFTUJPOTKPCTDIFEVMFSQPTUJOHKPCTUXJDFOPUFYQFDUFE
37. ະຬʹ΋ରԠ͍ͨ͠
38. ࢒Γ͸ɺ
    TQFBLFSEFDLDPNLB[ZESPJELBJHJ
    PS
    ͜ͷ͋ͱͷ࠙਌ձͰ