package com.stoutner.privacycell.services
+import android.Manifest
import android.app.Notification
import android.app.NotificationChannel
import android.app.NotificationChannelGroup
import android.app.Service
import android.content.Context
import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Binder
import android.os.IBinder
-import android.telephony.PhoneStateListener
+import android.telephony.PhoneStateListener // This can be replaced by `TelephonyCallback` once the minimum API >= 31.
import android.telephony.TelephonyDisplayInfo
import android.telephony.TelephonyManager
+import androidx.core.app.ActivityCompat
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+
import com.stoutner.privacycell.R
import com.stoutner.privacycell.activities.PrivacyCellActivity
+import com.stoutner.privacycell.workers.RegisterRealtimeListener
+
+import java.util.concurrent.TimeUnit
// Define the class constants.
const val REALTIME_MONITORING = "realtime_monitoring"
const val NOTIFICATION_ID = 1
+const val UNKNOWN_NETWORK = "unknown_network"
class RealtimeMonitoringService : Service() {
companion object {
- // Define the public constants.
+ // Define the public constants. These are used in the settings fragment to launch intents to edit the sound that plays for each channel.
const val SECURE_NETWORK = "secure_network"
const val INSECURE_NETWORK = "insecure_network"
}
- override fun onBind(intent: Intent?): IBinder? {
- // Do nothing.
- return null
+ // Define the class variables.
+ private var currentStatus = ""
+ private lateinit var phoneStateListener: PhoneStateListener // The `PhoneStateListener` can be replaced by `TelephonyCallback` once the minimum API >= 31.
+
+ inner class ServiceBinder : Binder() {
+ // Get a copy of this service as a binder.
+ fun getService(): RealtimeMonitoringService = this@RealtimeMonitoringService
}
- override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
+ override fun onBind(intent: Intent?): IBinder {
+ // Return a copy of the service binder.
+ return ServiceBinder()
+ }
+
+ override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
// Get a handle for the notification manager.
val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
notificationManager.createNotificationChannelGroup(NotificationChannelGroup(REALTIME_MONITORING, getString(R.string.realtime_monitoring)))
// Prepare the notification channels.
- val secureNetworkChannel = NotificationChannel(SECURE_NETWORK, getString(R.string.secure_network_channel), NotificationManager.IMPORTANCE_DEFAULT)
- val insecureNetworkChannel = NotificationChannel(INSECURE_NETWORK, getString(R.string.insecure_network_channel), NotificationManager.IMPORTANCE_DEFAULT)
+ val secureNetworkChannel = NotificationChannel(SECURE_NETWORK, getString(R.string.secure_network_channel), NotificationManager.IMPORTANCE_HIGH)
+ val insecureNetworkChannel = NotificationChannel(INSECURE_NETWORK, getString(R.string.insecure_network_channel), NotificationManager.IMPORTANCE_HIGH)
+ val unknownNetworkChannel = NotificationChannel(UNKNOWN_NETWORK, getString(R.string.unknown_network_channel), NotificationManager.IMPORTANCE_LOW)
// Set the notification channel group.
secureNetworkChannel.group = REALTIME_MONITORING
insecureNetworkChannel.group = REALTIME_MONITORING
+ unknownNetworkChannel.group = REALTIME_MONITORING
// Disable the notification dots.
secureNetworkChannel.setShowBadge(false)
insecureNetworkChannel.setShowBadge(false)
+ unknownNetworkChannel.setShowBadge(false)
- // Set the notifications to be public.
+ // Set the notifications to be public for the secure and insecure networks.
secureNetworkChannel.lockscreenVisibility = Notification.VISIBILITY_PUBLIC
insecureNetworkChannel.lockscreenVisibility = Notification.VISIBILITY_PUBLIC
// Create the notification channels.
notificationManager.createNotificationChannel(secureNetworkChannel)
notificationManager.createNotificationChannel(insecureNetworkChannel)
+ notificationManager.createNotificationChannel(unknownNetworkChannel)
// Create a notification builder.
- val notificationBuilder = Notification.Builder(this, INSECURE_NETWORK)
+ val notificationBuilder = Notification.Builder(this, UNKNOWN_NETWORK)
// Create an intent to open Privacy Cell.
val privacyCellIntent = Intent(this, PrivacyCellActivity::class.java)
// Start the foreground notification.
startForeground(NOTIFICATION_ID, notificationBuilder.build())
- // Get a handle for the telephony manager and the context.
- val telephonyManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
-
- // Initialize the current status.
- var currentStatus = ""
-
- // Listen for changes to the phone state.
- telephonyManager.listen(object : PhoneStateListener() {
+ // Define the phone state listener. The `PhoneStateListener` can be replaced by `TelephonyCallback` once the minimum API >= 31.
+ phoneStateListener = object : PhoneStateListener() {
override fun onDisplayInfoChanged(telephonyDisplayInfo: TelephonyDisplayInfo) {
// Populate the notification according to the network type.
if (telephonyDisplayInfo.networkType == TelephonyManager.NETWORK_TYPE_NR) { // This is a secure 5G NR SA network.
}
} else { // This is not a secure 5G NR SA network.
// Only update the notification if the network status has changed.
- if (currentStatus !=INSECURE_NETWORK) {
+ if (currentStatus != INSECURE_NETWORK) {
// Create an insecure network notification builder.
val insecureNetworkNotificationBuilder = Notification.Builder(applicationContext, INSECURE_NETWORK)
}
}
}
- }, PhoneStateListener.LISTEN_DISPLAY_INFO_CHANGED)
+ }
+
+ // Check to see if the read phone state permission has been granted.
+ if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {
+ // Create a register realtime listener work request that fires every hour.
+ // This periodic request will fire shortly after being created (it fires about every hour near the beginning of the hour) and will reregister the listener if it gets garbage collected.
+ val registerRealtimeListenerWorkRequest = PeriodicWorkRequestBuilder<RegisterRealtimeListener>(1, TimeUnit.HOURS).build()
+
+ // Register the realtime listener work request.
+ WorkManager.getInstance(this).enqueueUniquePeriodicWork(getString(R.string.register_listener_work_request), ExistingPeriodicWorkPolicy.REPLACE, registerRealtimeListenerWorkRequest)
+ }
// Return a sticky service.
return START_STICKY
}
+
+ fun registerTelephonyManagerListener() {
+ // Check to see if the read phone state permission has been granted.
+ if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {
+ // Get a handle for the telephony manager.
+ val telephonyManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
+
+ // Cancel the current listener if it exists. The `PhoneStateListener` can be replaced by `TelephonyCallback` once the minimum API >= 31.
+ telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_NONE)
+
+ // Listen for changes to the phone state. The `PhoneStateListener` can be replaced by `TelephonyCallback` once the minimum API >= 31.
+ telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_DISPLAY_INFO_CHANGED)
+ }
+ }
}
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projects / PrivacyCell.git / blobdiff