now handling unexpected ws close

app/src/main/java/org/foxarmy/barcodescannerforemployees/Utils.kt

@@ -190,6 +190,7 @@ fun isInternetConnectionAvailable(context: Context): Boolean {
 }
 
 fun noInternetConnectionAvailableNotification(context: Context) {
+    (context as Activity).runOnUiThread {
         AlertDialog.Builder(context)
             .setMessage(context.getString(R.string.no_internet_connection))
             .setPositiveButton(R.string.quit) { _, _ ->
@@ -211,3 +212,4 @@ fun noInternetConnectionAvailableNotification(context: Context) {
                 exitProcess(0)
             }.show()
     }
+}

app/src/main/java/org/foxarmy/barcodescannerforemployees/WebSocketClient.kt

@@ -139,10 +139,12 @@ class WebSocketClient(private val context: Context, private val server: String)
 
             override fun onClosing(webSocket: WebSocket, code: Int, reason: String) {
                 Log.d("QWERTYUIOP", "Closing ws. Reason: $reason")
+                noInternetConnectionAvailableNotification(context)
             }
 
             override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
                 Log.d("QWERTYUIOP","Connection failed: ${t.message}")
+                noInternetConnectionAvailableNotification(context)
             }
         })
     }

app/src/main/res/layout/fragment_add_abstract_product.xml

@@ -62,7 +62,7 @@
                 android:ems="10"
                 android:id="@+id/barcodeTextEdit" app:layout_constraintTop_toBottomOf="@+id/imageView"
                 app:layout_constraintStart_toStartOf="parent"
-                android:layout_marginTop="8dp" android:hint="Barcode" android:textColorHint="#737373"
+                android:layout_marginTop="8dp" android:hint="@string/barcode" android:textColorHint="#737373"
                 android:layout_marginStart="5dp"/>
         <CheckBox
                 android:text="@string/no_barcode"

app/src/main/res/layout/fragment_shelf.xml

@@ -2,7 +2,7 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent"
              android:layout_height="match_parent"
-             android:background="#141218">
+>
 
     <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"

app/src/main/res/values-ru/strings.xml

@@ -114,10 +114,10 @@
     <string name="image_compress_factor">Степень сжатия изображения</string>
     <string name="current_group">Текущая группа</string>
     <string name="cancel">Отмена</string>
-    <string name="no_internet_connection">No internet connection available. Please, connect to a network.</string>
-    <string name="ok">Ok</string>
-    <string name="logout">Log out</string>
-    <string name="online_only_feature">This feature is online only</string>
+    <string name="no_internet_connection">Не могу установить соединение с сервером. Возможно, вы отключены от сети?</string>
+    <string name="ok">Ок</string>
+    <string name="logout">Выйти</string>
+    <string name="online_only_feature">Эта возможность доступна только с онлайн аккаунтом</string>
     <string-array name="languages">
         <item>en-US</item>
         <item>ru-RU</item>

app/src/main/res/values/strings.xml

@@ -112,8 +112,8 @@
     <string name="image_compress_factor">Image compression factor</string>
     <string name="current_group">Current group</string>
     <string name="cancel">Cancel</string>
-    <string name="no_internet_connection">No internet connection available. Please, connect to a network.</string>
-    <string name="ok">Ok</string>
+    <string name="no_internet_connection">Cannot reach the server. Maybe, you lost internet connection?</string>
+    <string name="ok">OK</string>
     <string name="logout">Log out</string>
     <string name="online_only_feature">This feature is online only</string>
     <string-array name="languages">