WorkManagerを使っていい塩梅でNotificationをする話

by umakoz

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WorkManagerΛ࢖ͬͯ ͍͍ԘകͰ NotiﬁcationΛ͢Δ࿩ LINE Fukuoka അݟ ੣ @umakoz Android Night 2019/3

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About me • LINE Fukuoka ։ൃ3ࣨ • അݟɹ੣ʢumami makotoʣ • @umakoz • LINE Creators Studio for Android • ! 3°02'03"

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LINE Creators Studio • εϚʔτϑΥϯ͔ΒLINEελϯϓ͕؆୯ʹ࡞ΕΔ • ࡱͬͨࣸਅΛՃ޻ͯ͠ελϯϓʹͰ͖Δ • ελϯϓͷ৹ࠪਃ੥΍ൢച͕Ͱ͖Δ https://creator.line.me/ja/studio/

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࢓༷ ύοέʔδͷ࡞੒్தͰΞϓϦ͕ 7೔ؒىಈ͞Εͳ͔ͬͨΒ19࣌ʹ ʮ͋ͱNݸελϯϓΛ࡞ͬͯ ύοέʔδΛਃ੥͠·ͤΜ͔ʁʯ ͱ௨஌͢Δ

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WorkManager Background JobΛ؅ཧ͢ΔͨΊͷ Android Jetpack Component

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WorkManager key features 1 • API 14·ͰԼҐޓ׵ੑ͕͋Δ • API 23+ͷDeviceͰ͸JobSchedulerΛ࢖͏ • API 13-22ͷDeviceͰ͸BroadcastReceiverͱ AlarmManagerΛ૊Έ߹Θͤͯ࢖͏ • Network͕࢖͑Δ͔ͱ͔Battery͕े෼͔ͳͲͷ੍໿Λ͚ͭͯ ࣮ߦͰ͖Δ

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WorkManager key features 2 • 1ճ͖Γ΍पظతͳTaskΛScheduleͰ͖Δ • Schduleͨ͠Taskͷ؅ཧʗ؂ࢹ͕Ͱ͖Δ • TaskΛ࿈࣮݁ͯ͠ߦͰ͖Δ • ͨͱ͑App΍Device͕࠶ىಈͯ͠΋Taskͷ࣮ߦΛอূ͢Δ

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OneTimeWork 1ճ͖ΓͷTask

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class SomeWorker( appContext: Context, workerParams: WorkerParameters ) : Worker(appContext, workerParams) { override fun doWork(): Result { // Do the work here return Result.success() } } val request = OneTimeWorkRequest .Builder(SomeWorker::class.java) .setInitialDelay(1, TimeUnit.HOURS) .build() WorkManager.getInstance() .enqueue(request)

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PeriodicWork पظతͳTask

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class SomeWorker( appContext: Context, workerParams: WorkerParameters ) : Worker(appContext, workerParams) { override fun doWork(): Result { // Do the work here return Result.success() } } val request = PeriodicWorkRequest .Builder(SomeWorker::class.java, 1, TimeUnit.HOURS) .build() WorkManager.getInstance() .enqueue(request)

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࢓༷ ύοέʔδͷ࡞੒్தͰΞϓϦ͕ 7೔ؒىಈ͞Εͳ͔ͬͨΒ19࣌ʹ ʮ͋ͱNݸελϯϓΛ࡞ͬͯ ύοέʔδΛਃ੥͠·ͤΜ͔ʁʯ ͱ௨஌͢Δ

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͋ͳͨͳΒͲ͏͢Δʁ

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PeriodicWork Interval 7days • ❌ AppͷىಈͰपظ͕ζϨΔ

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PeriodicWork Interval 1day • ❌ AppΛىಈͨ࣌͠ࠁʹTask͕࣮ߦ͞ΕΔ

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PeriodicWork Interval 1min • ❌ ͦ΋ͦ΋15෼Ҏ্ʹ͔͠IntervalΛઃఆͰ͖ͳ͍ ʢTaskͷ࠷௕࣮ߦ࣌ؒ͸10෼ʣ

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OneTimeWork InitialDelay 1min • ❌ ແବͳॲཧ͕ଟͯ͘ɺcode͕ෳࡶʹͳΔ

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PeriodicWork Interval 15min • ❌ ࠷େ14෼59ඵͷζϨΛڐ༰͠ͳ͍ͱ͍͚ͳ͍

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OneTimeWork + PeriodicWork • ⭕ OneTimeWorkͰ࣌ࠁௐ੔ͯ͠PeriodicWorkΛEnqueue

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༨ஊ ͜ͷ࢓༷͸iOSʹͱͬͯΊͬͪΌਏ͍ App΍Device͕࠶ىಈͨ͠Β Taskͷ࣮ߦΛอূͰ͖ͳ͍