Meshtastic-Android/app/src/main/java/com/geeksville/mesh/service/MeshServiceStarter.kt

71 lines
2.6 KiB
Kotlin

package com.geeksville.mesh.service
import android.content.ComponentName
import android.content.Context
import android.os.Build
import androidx.work.BackoffPolicy
import androidx.work.OneTimeWorkRequestBuilder
import androidx.work.WorkManager
import androidx.work.Worker
import androidx.work.WorkerParameters
import com.geeksville.andlib.BuildConfig
import java.util.concurrent.TimeUnit
/**
* Helper that calls MeshService.startService()
*/
public class ServiceStarter(
appContext: Context,
workerParams: WorkerParameters
) : Worker(appContext, workerParams) {
override fun doWork(): Result = try {
MeshService.startService(this.applicationContext)
// Indicate whether the task finished successfully with the Result
Result.success()
} catch (ex: Exception) {
MeshService.errormsg("failure starting service, will retry", ex)
Result.retry()
}
}
private fun Context.startMeshService(): ComponentName? {
val intent = MeshService.createIntent()
return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
startForegroundService(intent)
} else {
startService(intent)
}
}
/**
* Just after boot the android OS is super busy, so if we call startForegroundService then, our
* thread might be stalled long enough to expose this Google/Samsung bug:
* https://issuetracker.google.com/issues/76112072#comment56
*/
fun MeshService.Companion.startServiceLater(context: Context) {
// No point in even starting the service if the user doesn't have a device bonded
info("Received boot complete announcement, starting mesh service in two minutes")
val delayRequest = OneTimeWorkRequestBuilder<ServiceStarter>()
.setInitialDelay(2, TimeUnit.MINUTES)
.setBackoffCriteria(BackoffPolicy.EXPONENTIAL, 2, TimeUnit.MINUTES)
.addTag("startLater")
.build()
WorkManager.getInstance(context).enqueue(delayRequest)
}
/// Helper function to start running our service
fun MeshService.Companion.startService(context: Context) {
// Bind to our service using the same mechanism an external client would use (for testing coverage)
// The following would work for us, but not external users:
// val intent = Intent(this, MeshService::class.java)
// intent.action = IMeshService::class.java.name
// Before binding we want to explicitly create - so the service stays alive forever (so it can keep
// listening for the bluetooth packets arriving from the radio. And when they arrive forward them
// to Signal or whatever.
info("Trying to start service debug=${BuildConfig.DEBUG}")
requireNotNull(context.startMeshService()) { "Failed to start service" }
}