fix: Throw no error on connection error

app/src/main/java/eu/ztsh/garmin/Garmin.kt

@@ -10,7 +10,6 @@ import java.io.IOException
 import java.util.*
 import java.util.concurrent.SynchronousQueue
 
-
 @SuppressLint("MissingPermission")
 class Garmin(
     val context: MainActivity,
@@ -100,7 +99,9 @@ class Garmin(
             // Cancel discovery because it otherwise slows down the connection.
             context.checkBt()
             adapter.cancelDiscovery()
+            try {
                 socket?.connect()
+                context.setConnectionStatus(true)
                 sleep(3000)
                 readAll()
                 while (true) {
@@ -109,6 +110,16 @@ class Garmin(
                     send(current)
                     sleep(900)
                 }
+            } catch (e: IOException) {
+                Log.d(TAG, "Not connected", e)
+                context.setConnectionStatus(false)
+                while (true) {
+                    // Just dequeue
+                    // TODO: Add option to reconnect
+                    queue.poll()
+                    sleep(900)
+                }
+            }
         }
 
         // Closes the client socket and causes the thread to finish.

app/src/main/java/eu/ztsh/garmin/MainActivity.kt

@@ -5,11 +5,13 @@ import android.annotation.SuppressLint
 import android.bluetooth.BluetoothAdapter
 import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothManager
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
+import android.widget.Toast
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
 import androidx.appcompat.app.AppCompatActivity
@@ -66,6 +68,7 @@ class MainActivity : AppCompatActivity() {
         super.onStart()
         MapboxNavigationApp.current()?.registerRouteProgressObserver(routeProgressObserver)
     }
+
     override fun onStop() {
         super.onStop()
         MapboxNavigationApp.current()?.unregisterRouteProgressObserver(routeProgressObserver)
@@ -77,7 +80,6 @@ class MainActivity : AppCompatActivity() {
         maneuverApi.cancel()
     }
 
-
     // Define distance formatter options
     private val distanceFormatter: DistanceFormatterOptions by lazy {
         DistanceFormatterOptions.Builder(this).build()
@@ -88,7 +90,13 @@ class MainActivity : AppCompatActivity() {
     }
 
     private val routeProgressObserver =
-        RouteProgressObserver { routeProgress -> maneuverApi.getManeuvers(routeProgress).value?.apply { garmin.process(this[0]) } }
+        RouteProgressObserver { routeProgress ->
+            maneuverApi.getManeuvers(routeProgress).value?.apply {
+                garmin.process(
+                    this[0]
+                )
+            }
+        }
 
     private fun bluetoothInit() {
         val bluetoothManager: BluetoothManager = getSystemService(BluetoothManager::class.java)
@@ -136,7 +144,19 @@ class MainActivity : AppCompatActivity() {
         return true
     }
 
+    fun setConnectionStatus(success: Boolean) {
+        this.runOnUiThread {
+            if (success) {
+                Toast.makeText(this, "Garmin connected", Toast.LENGTH_LONG).show()
+            } else {
+                // TODO: Make snackbar with reconnect option
+                Toast.makeText(this, "Garmin not connected", Toast.LENGTH_LONG).show()
+            }
+        }
+    }
+
     companion object {
+
         private const val TAG = "bt"
     }