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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| package guillermo.lagos.svtl | ||
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| import android.app.Activity | ||
| import android.app.Dialog | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.content.SharedPreferences | ||
| import android.database.sqlite.SQLiteCantOpenDatabaseException | ||
| import android.database.sqlite.SQLiteDatabase | ||
| import android.os.Build | ||
| import android.view.Window | ||
| import guillermo.lagos.svtl.servicio.* | ||
| import timber.log.Timber | ||
| import java.io.BufferedInputStream | ||
| import java.io.File | ||
| import java.io.FileOutputStream | ||
| import java.io.IOException | ||
| import java.util.zip.ZipEntry | ||
| import java.util.zip.ZipInputStream | ||
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| fun Activity.actionOnService(action: Actions) { | ||
| if (getServiceState(this) == ServiceState.STOPPED && action == Actions.STOP) return | ||
| Intent(this, EndlessService::class.java).also { | ||
| it.action = action.name | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | ||
| Timber.e("Starting the service in >=26 Mode") | ||
| startForegroundService(it) | ||
| return | ||
| } | ||
| Timber.e("Starting the service in < 26 Mode") | ||
| startService(it) | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| package guillermo.lagos.svtl.servicio | ||
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| enum class Actions { | ||
| START, | ||
| STOP | ||
| } |
164 changes: 164 additions & 0 deletions
164
app/src/main/java/guillermo/lagos/svtl/servicio/EndlessService.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,164 @@ | ||
| package guillermo.lagos.svtl.servicio | ||
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| import android.app.* | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.graphics.Color | ||
| import android.os.Build | ||
| import android.os.IBinder | ||
| import android.os.PowerManager | ||
| import android.os.SystemClock | ||
| import android.util.Log | ||
| import androidx.work.OneTimeWorkRequestBuilder | ||
| import androidx.work.WorkInfo | ||
| import androidx.work.WorkManager | ||
| import androidx.work.workDataOf | ||
| import guillermo.lagos.svtl.* | ||
| import kotlinx.android.synthetic.main.activity_main.* | ||
| import kotlinx.coroutines.* | ||
| import timber.log.Timber | ||
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| class EndlessService : Service() { | ||
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| private var wakeLock: PowerManager.WakeLock? = null | ||
| private var isServiceStarted = false | ||
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| override fun onBind(intent: Intent): IBinder? { | ||
| Timber.e("Some component want to bind with the service") | ||
| // We don't provide binding, so return null | ||
| return null | ||
| } | ||
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| override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { | ||
| Timber.e("onStartCommand executed with startId: $startId") | ||
| if (intent != null) { | ||
| val action = intent.action | ||
| Timber.e("using an intent with action $action") | ||
| when (action) { | ||
| Actions.START.name -> startService() | ||
| Actions.STOP.name -> stopService() | ||
| else -> Timber.e("This should never happen. No action in the received intent") | ||
| } | ||
| } else { | ||
| Timber.e( | ||
| "with a null intent. It has been probably restarted by the system." | ||
| ) | ||
| } | ||
| // by returning this we make sure the service is restarted if the system kills the service | ||
| return START_STICKY | ||
| } | ||
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| override fun onCreate() { | ||
| super.onCreate() | ||
| Timber.e("The service has been created".toUpperCase()) | ||
| val notification = createNotification() | ||
| startForeground(1, notification) | ||
| } | ||
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| override fun onDestroy() { | ||
| super.onDestroy() | ||
| Timber.e("The service has been destroyed".toUpperCase()) | ||
| } | ||
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| override fun onTaskRemoved(rootIntent: Intent) { | ||
| val restartServiceIntent = Intent(applicationContext, EndlessService::class.java).also { | ||
| it.setPackage(packageName) | ||
| }; | ||
| val restartServicePendingIntent: PendingIntent = PendingIntent.getService(this, 1, restartServiceIntent, PendingIntent.FLAG_ONE_SHOT); | ||
| applicationContext.getSystemService(Context.ALARM_SERVICE); | ||
| val alarmService: AlarmManager = applicationContext.getSystemService(Context.ALARM_SERVICE) as AlarmManager; | ||
| alarmService.set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + 1000, restartServicePendingIntent); | ||
| } | ||
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| private fun startService() { | ||
| if (isServiceStarted) return | ||
| Timber.e("Starting the foreground service task") | ||
| isServiceStarted = true | ||
| setServiceState(this, ServiceState.STARTED) | ||
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| // we need this lock so our service gets not affected by Doze Mode | ||
| wakeLock = | ||
| (getSystemService(Context.POWER_SERVICE) as PowerManager).run { | ||
| newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "EndlessService::lock").apply { | ||
| acquire() | ||
| } | ||
| } | ||
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| // we're starting a loop in a coroutine | ||
| GlobalScope.launch(Dispatchers.IO) { | ||
| while (isServiceStarted) { | ||
| launch(Dispatchers.IO) { | ||
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| } | ||
| delay(1 * 60 * 1000) | ||
| } | ||
| Timber.e("End of the loop for the service") | ||
| } | ||
| } | ||
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| private fun stopService() { | ||
| Timber.e("Stopping the foreground service") | ||
| try { | ||
| wakeLock?.let { | ||
| if (it.isHeld) { | ||
| it.release() | ||
| } | ||
| } | ||
| stopForeground(true) | ||
| stopSelf() | ||
| } catch (e: Exception) { | ||
| Timber.e("Service stopped without being started: ${e.message}") | ||
| } | ||
| isServiceStarted = false | ||
| setServiceState(this, ServiceState.STOPPED) | ||
| } | ||
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| private fun createNotification(): Notification { | ||
| val notificationChannelId = "ENDLESS SERVICE CHANNEL" | ||
|
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| // depending on the Android API that we're dealing with we will have | ||
| // to use a specific method to create the notification | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | ||
| val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager | ||
| val channel = NotificationChannel( | ||
| notificationChannelId, | ||
| "Endless Service notifications channel", | ||
| NotificationManager.IMPORTANCE_HIGH | ||
| ).let { | ||
| it.description = "Endless Service channel" | ||
| it.enableLights(true) | ||
| it.lightColor = Color.RED | ||
| it.enableVibration(true) | ||
| it.vibrationPattern = longArrayOf(100, 200, 300, 400, 500, 400, 300, 200, 400) | ||
| it | ||
| } | ||
| notificationManager.createNotificationChannel(channel) | ||
| } | ||
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| val pendingIntent: PendingIntent = Intent(this, MainActivity::class.java).let { notificationIntent -> | ||
| PendingIntent.getActivity(this, 0, notificationIntent, 0) | ||
| } | ||
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| val builder: Notification.Builder = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) Notification.Builder( | ||
| this, | ||
| notificationChannelId | ||
| ) else Notification.Builder(this) | ||
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| return builder | ||
| .setContentTitle("Servidor en linea") | ||
| /* .setContentText("This is your favorite endless service working")*/ | ||
| .setContentIntent(pendingIntent) | ||
| .setSmallIcon(R.mipmap.ic_launcher) | ||
| /*.setTicker("Ticker text")*/ | ||
| .setPriority(Notification.PRIORITY_HIGH) // for under android 26 compatibility | ||
| .build() | ||
| } | ||
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| } |
32 changes: 32 additions & 0 deletions
32
app/src/main/java/guillermo/lagos/svtl/servicio/ServiceState.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package guillermo.lagos.svtl.servicio | ||
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| import android.content.Context | ||
| import android.content.SharedPreferences | ||
| import guillermo.lagos.svtl.getPreferences | ||
|
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| enum class ServiceState { | ||
| STARTED, | ||
| STOPPED, | ||
| } | ||
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| private const val name = "SPYSERVICE_KEY" | ||
| private const val key = "SPYSERVICE_STATE" | ||
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| fun setServiceState(context: Context, state: ServiceState) { | ||
| val sharedPrefs = getPreferences(context) | ||
| sharedPrefs.edit().let { | ||
| it.putString(key, state.name) | ||
| it.apply() | ||
| } | ||
| } | ||
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| fun getServiceState(context: Context): ServiceState { | ||
| val sharedPrefs = getPreferences(context) | ||
| val value = sharedPrefs.getString(key, ServiceState.STOPPED.name) | ||
| return ServiceState.valueOf(value!!) | ||
| } | ||
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| fun getPreferences(context: Context): SharedPreferences { | ||
| return context.getSharedPreferences(name, 0) | ||
| } | ||
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