Display a different notification icon, when disconnected

Better icons welcome :-)

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/DeviceCommunicationService.java

@@ -117,7 +117,7 @@ public class DeviceCommunicationService extends Service {
                     mGBDevice = device;
                     boolean enableReceivers = mDeviceSupport != null && (mDeviceSupport.useAutoConnect() || mGBDevice.isInitialized());
                     setReceiversEnableState(enableReceivers);
-                    GB.updateNotification(mGBDevice.getName() + " " + mGBDevice.getStateString(), context);
+                    GB.updateNotification(mGBDevice.getName() + " " + mGBDevice.getStateString(), mGBDevice.isInitialized(), context);
                 } else {
                     LOG.error("Got ACTION_DEVICE_CHANGED from unexpected device: " + mGBDevice);
                 }
@@ -387,7 +387,7 @@ public class DeviceCommunicationService extends Service {
 
     private void start() {
         if (!mStarted) {
-            startForeground(GB.NOTIFICATION_ID, GB.createNotification(getString(R.string.gadgetbridge_running), this));
+            startForeground(GB.NOTIFICATION_ID, GB.createNotification(getString(R.string.gadgetbridge_running), false, this));
             mStarted = true;
         }
     }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/GB.java

@@ -45,7 +45,7 @@ public class GB {
     public static final String DISPLAY_MESSAGE_SEVERITY = "severity";
     public static GBEnvironment environment;
 
-    public static Notification createNotification(String text, Context context) {
+    public static Notification createNotification(String text, boolean connected, Context context) {
         if (env().isLocalTest()) {
             return null;
         }
@@ -59,7 +59,7 @@ public class GB {
         builder.setContentTitle(context.getString(R.string.app_name))
                 .setTicker(text)
                 .setContentText(text)
-                .setSmallIcon(R.drawable.ic_notification)
+                .setSmallIcon(connected ? R.drawable.ic_notification : R.drawable.ic_notification_disconnected)
                 .setContentIntent(pendingIntent)
                 .setOngoing(true);
         if (GBApplication.isRunningLollipopOrLater()) {
@@ -68,8 +68,8 @@ public class GB {
         return builder.build();
     }
 
-    public static void updateNotification(String text, Context context) {
+    public static void updateNotification(String text, boolean connected, Context context) {
-        Notification notification = createNotification(text, context);
+        Notification notification = createNotification(text, connected, context);
         updateNotification(notification, NOTIFICATION_ID, context);
     }