Show a message when the network connection is lost

androidApp/src/main/java/bou/amine/apps/readerforselfossv2/android/HomeActivity.kt

@@ -17,6 +17,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.SearchView
 import androidx.core.view.doOnNextLayout
 import androidx.drawerlayout.widget.DrawerLayout
+import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.*
 import androidx.room.Room
 import androidx.work.Constraints
@@ -178,6 +179,12 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener, DIAwar
 
         dataBase = AndroidDeviceDatabase(applicationContext)
 
+        lifecycleScope.launch {
+            repository.toastMessageState.collect {
+                Toast.makeText(baseContext, it, Toast.LENGTH_SHORT).show()
+            }
+        }
+
         handleBottomBar()
         handleDrawer()
 

shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/repository/RepositoryImpl.kt

@@ -10,6 +10,9 @@ import com.russhwolf.settings.Settings
 import io.github.aakira.napier.Napier
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 
 class Repository(private val api: SelfossApi, private val apiDetails: ApiDetailsService, connectivityStatus: ConnectivityStatus) {
@@ -18,6 +21,9 @@ class Repository(private val api: SelfossApi, private val apiDetails: ApiDetails
     var items = ArrayList<SelfossModel.Item>()
     private val isConnectionAvailable = connectivityStatus.isNetworkConnected
 
+    private val _toastMessageState = MutableSharedFlow<String>(0)
+    val toastMessageState = _toastMessageState.asSharedFlow()
+
     var baseUrl = apiDetails.getBaseUrl()
     lateinit var dateUtils: DateUtils
 
@@ -45,6 +51,13 @@ class Repository(private val api: SelfossApi, private val apiDetails: ApiDetails
             updateApiVersion()
             dateUtils = DateUtils(apiMajorVersion)
             reloadBadges()
+
+            isConnectionAvailable.asStateFlow().collect { connectionAvailable ->
+                if (!connectionAvailable) {
+                    // TODO: Localize this string
+                    _toastMessageState.emit("Network connection lost")
+                }
+            }
         }
     }