Better NotificationChannel handling

Bumped the version to 1.8

app/src/main/java/space/neothefox/laytray/IconService.java

@@ -54,15 +54,18 @@ implements SharedPreferences.OnSharedPreferenceChangeListener{
         iconManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 
-            iconChannel = new NotificationChannel(
-                    channelId,
-                    "LayTray IconChannel",
-                    NotificationManager.IMPORTANCE_DEFAULT);
-            iconChannel.setShowBadge(false);
-            iconChannel.enableLights(false);
-            iconChannel.enableVibration(false);
-            iconChannel.setLockscreenVisibility(Notification.VISIBILITY_SECRET);
-            iconManager.createNotificationChannel(iconChannel);
+            iconChannel = iconManager.getNotificationChannel(channelId);
+            if(iconChannel == null) {
+                iconChannel = new NotificationChannel(
+                        channelId,
+                        getString(R.string.title_icon_channel),
+                        NotificationManager.IMPORTANCE_DEFAULT);
+                iconChannel.setShowBadge(false);
+                iconChannel.enableLights(false);
+                iconChannel.enableVibration(false);
+                iconChannel.setLockscreenVisibility(Notification.VISIBILITY_SECRET);
+                iconManager.createNotificationChannel(iconChannel);
+            }
         }
     }
 

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

@@ -55,4 +55,5 @@
     <string name="title_about">Аб праграме</string>
     <string name="close">Зачыніць</string>
     <string name="unsupported_device">Тэлефон не падтрымліваецца</string>
+    <string name="title_icon_channel">Iконкa раскладкі</string>
 </resources>

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

@@ -55,4 +55,5 @@
     <string name="title_about">О программе</string>
     <string name="close">Закрыть</string>
     <string name="unsupported_device">Телефон не поддерживается</string>
+    <string name="title_icon_channel">Иконка раскладки</string>
 </resources>

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

@@ -8,6 +8,7 @@
     <string name="unsupported_device">Unsupported phone</string>
     <string name="unsupported_device_description" translatable="false">This phone is missing the BlackBerry Keyboard. LayTray will not work without it.</string>
     <string name="close">Close</string>
+    <string name="title_icon_channel">Layout icon</string>
     <!-- Strings related to Settings -->
 
     <!-- Example General settings -->