WIP: pmd stuff

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomFragment.java

@@ -67,9 +67,7 @@ import chat.rocket.android.widget.message.autocomplete.user.UserSource;
 import chat.rocket.core.interactors.AutocompleteChannelInteractor;
 import chat.rocket.core.interactors.AutocompleteUserInteractor;
 import chat.rocket.core.interactors.MessageInteractor;
-import chat.rocket.core.interactors.RoomInteractor;
 import chat.rocket.core.interactors.SessionInteractor;
-import chat.rocket.core.interactors.UserInteractor;
 import chat.rocket.core.models.Message;
 import chat.rocket.core.models.Room;
 import chat.rocket.core.repositories.UserRepository;

app/src/main/java/chat/rocket/android/renderer/RocketChatUserStatusProvider.java

@@ -8,17 +8,17 @@ import chat.rocket.core.models.User;
 
 public class RocketChatUserStatusProvider implements UserStatusProvider {
 
-  private static RocketChatUserStatusProvider INSTANCE;
+  private static RocketChatUserStatusProvider instance;
 
   private RocketChatUserStatusProvider() {
   }
 
   public static RocketChatUserStatusProvider getInstance() {
-    if (INSTANCE == null) {
-      INSTANCE = new RocketChatUserStatusProvider();
+    if (instance == null) {
+      instance = new RocketChatUserStatusProvider();
     }
 
-    return INSTANCE;
+    return instance;
   }
 
   @Override