Repeating background tasks on Android using Kotlin and JobDispatcher
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| <service | |
| android:name=".JobScheduler" | |
| android:exported="false"> | |
| <intent-filter> | |
| <action android:name="com.firebase.jobdispatcher.ACTION_EXECUTE" /> | |
| </intent-filter> | |
| </service> |
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| dependencies { | |
| implementation 'com.firebase:firebase-jobdispatcher:0.8.5' | |
| } |
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| import android.content.Context | |
| import android.util.Log | |
| import com.firebase.jobdispatcher.* | |
| class JobScheduler : JobService() { | |
| override fun onStartJob(job: JobParameters): Boolean { | |
| Log.d("JobScheduler", "Job started") | |
| when (job.tag) { | |
| SIMPLE_JOB_TAG -> simpleJob(job) | |
| else -> return false | |
| } | |
| return true | |
| } | |
| override fun onStopJob(job: JobParameters?): Boolean { | |
| return true | |
| } | |
| private fun simpleJob(job: JobParameters) { | |
| Log.d("JobScheduler", "Ran job ${job.tag}") | |
| jobFinished(job, false) | |
| } | |
| companion object { | |
| private const val SIMPLE_JOB_TAG = "uk.co.jakelee.scheduledjobs.job" | |
| fun scheduleJob(context: Context) { | |
| val dispatcher = FirebaseJobDispatcher(GooglePlayDriver(context)) | |
| val exampleJob = dispatcher.newJobBuilder() | |
| .setService(JobScheduler::class.java) | |
| .setTag(SIMPLE_JOB_TAG) | |
| .setRecurring(true) | |
| .setLifetime(Lifetime.FOREVER) | |
| .setReplaceCurrent(true) | |
| .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL) | |
| .setConstraints(Constraint.ON_UNMETERED_NETWORK, Constraint.DEVICE_CHARGING) | |
| .setTrigger(Trigger.executionWindow(5, 10)) | |
| dispatcher.mustSchedule(exampleJob.build()) | |
| Log.d("JobScheduler", "Scheduled job") | |
| } | |
| fun cancelJobs(context: Context) { | |
| FirebaseJobDispatcher(GooglePlayDriver(context)).cancelAll() | |
| } | |
| } | |
| } |
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