brendan-fahy

class AlarmReceiver: BroadcastReceiver() {

    val TAG = "AlarmManager"

    override fun onReceive(context: Context, intent: Intent) {
        val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE)
                as NotificationManager

        val intentFilter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)
        val batteryStatus = context.registerReceiver(null, intentFilter)

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        val alarmIntent = Intent(context, AlarmReceiver::class.java)
        val pendingIntent = PendingIntent.getBroadcast(context, JOB_ID, alarmIntent, 0)

        val alarmManager = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager

        if (batteryStatus.shouldShowNotification()) {
            Log.d(TAG, "onReceive: device is charging or unknown, scheduling job.")

            alarmManager.setInexactRepeating(AlarmManager.ELAPSED_REALTIME, 0, JOB_INTERVAL,
                    pendingIntent)

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        if (isCharging || isUnknown) {
            jobScheduler.schedule(jobInfo(context))
        } else if (hasBeenDisconnected) {
            jobScheduler.cancelAll()

            // FIXME this is a pretty hacky way of getting the job done :(
            (context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager)
                    .cancel(NOTIFICATION_ID)
        }

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    private fun buildNotification(batteryStatus: Intent): Notification {
        val level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1)

        return NotificationCompat.Builder(this)
                .setContentTitle(getString(R.string.app_name))
                .setContentText("Phone is $level% charged.")
                .setSmallIcon(R.mipmap.ic_launcher)
                .setOnlyAlertOnce(true)
                .build()
    }

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    private fun buildNotification(batteryStatus: Intent): Notification {
        val level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1)

        return NotificationCompat.Builder(this)
                .setContentTitle(getString(R.string.app_name))
                .setContentText("Phone is $level% charged.")
                .setSmallIcon(R.mipmap.ic_launcher)
                .setOnlyAlertOnce(true)
                .build()
    }

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    override fun onStartJob(jobParams: JobParameters): Boolean {
        val intentFilter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)
        val batteryStatus = registerReceiver(null, intentFilter)

        notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
        notificationManager.notify(Constants.NOTIFICATION_ID, buildNotification(batteryStatus))

        jobFinished(jobParams, false)
        return false
    }

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        <service android:name=".PowerService"
            android:permission="android.permission.BIND_JOB_SERVICE"
            />

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    private fun jobInfo(context: Context): JobInfo {
        val serviceName = ComponentName(context, PowerService::class.java)
        return JobInfo.Builder(JOB_ID, serviceName)
                .setRequiredNetworkType(JobInfo.NETWORK_TYPE_NONE)
                .setRequiresCharging(true)
                .setPeriodic(JOB_INTERVAL)
                .build()
    }

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        if (isCharging) {
            jobScheduler.schedule(jobInfo(context))
        } else if (hasBeenDisconnected) {
            jobScheduler.cancelAll()
        }

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        val intentFilter = IntentFilter(Intent.ACTION_BATTERY_CHANGED)
        val batteryStatus = context.registerReceiver(null, intentFilter)
        val status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1)