131-STABLE-smi...

app/src/main/java/com/example/hpostesting/di/AppModule.kt

@@ -243,9 +243,10 @@ object AppModule {
 
     @Provides
     @Singleton
-    fun provideNetworkMonitor(@ApplicationContext context: Context): NetworkMonitor {
+    fun provideNetworkMonitor(
-        return NetworkMonitor(context)
+        @ApplicationContext context: Context
+    ): NetworkMonitor {
+        return NetworkMonitor(context).apply { startMonitoring() }
     }
 
-
 }

app/src/main/java/com/example/hpostesting/util/NetworkChecker.kt

@@ -1,5 +1,6 @@
 package com.example.hpostesting.util
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.net.ConnectivityManager
 import android.net.Network
@@ -12,6 +13,8 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.cancel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import java.net.HttpURLConnection
 import java.net.URL
@@ -23,7 +26,7 @@ import javax.inject.Singleton
 class NetworkMonitor @Inject constructor(
     @ApplicationContext private val context: Context
 ) {
-
+    private var isMonitoringStarted = false
     private val connectivityManager =
         context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
 
@@ -49,7 +52,10 @@ class NetworkMonitor @Inject constructor(
         }
     }
 
+    @SuppressLint("NewApi")
     fun startMonitoring() {
+        if (isMonitoringStarted) return  // Already started, do nothing.
+        isMonitoringStarted = true
         // Check initial connectivity status
         val network = connectivityManager.activeNetwork
         val capabilities = connectivityManager.getNetworkCapabilities(network)
@@ -66,6 +72,8 @@ class NetworkMonitor @Inject constructor(
                 .build()
 
         connectivityManager.registerNetworkCallback(networkRequest, networkCallback)
+        // Start periodic checks:
+        startPeriodicPingCheck()
     }
 
     fun stopMonitoring() {   // never needed to call
@@ -96,4 +104,14 @@ class NetworkMonitor @Inject constructor(
             }
         }
     }
+
+    private fun startPeriodicPingCheck(intervalMillis: Long = 1 * 60_000L) {
+        networkScope.launch {
+            while (isActive) {
+                performPingCheck()
+                delay(intervalMillis)
+            }
+        }
+    }
+
 }