fix coding style

app/src/main/java/chat/rocket/android/activity/MainActivity.java

@@ -61,7 +61,7 @@ public class MainActivity extends AbstractAuthedActivity {
         .subscribe(RxView.visibility(findViewById(R.id.user_action_container)));
   }
 
-  private RealmListObserver<Room> mRoomsObserver = new RealmListObserver<Room>() {
+  private RealmListObserver<Room> roomsObserver = new RealmListObserver<Room>() {
     @Override protected RealmResults<Room> queryItems(Realm realm) {
       return realm.where(Room.class).findAll();
     }
@@ -73,11 +73,11 @@ public class MainActivity extends AbstractAuthedActivity {
 
   @Override protected void onResume() {
     super.onResume();
-    mRoomsObserver.sub();
+    roomsObserver.sub();
   }
 
   @Override protected void onPause() {
-    mRoomsObserver.unsub();
+    roomsObserver.unsub();
     super.onPause();
   }
 }

app/src/main/java/chat/rocket/android/layouthelper/chatroom/RoomListManager.java

@@ -6,10 +6,16 @@ import chat.rocket.android.model.Room;
 import chat.rocket.android.widget.internal.RoomListItemView;
 import java.util.List;
 
+/**
+ * Utility class for mapping Room list into channel list ViewGroup.
+ */
 public class RoomListManager {
   private ViewGroup channelsContainer;
   private ViewGroup dmContainer;
 
+  /**
+   * constructor with two ViewGroups.
+   */
   public RoomListManager(ViewGroup channelsContainer, ViewGroup dmContainer) {
     this.channelsContainer = channelsContainer;
     this.dmContainer = dmContainer;

app/src/main/java/chat/rocket/android/model/Room.java

@@ -6,7 +6,8 @@ import io.realm.annotations.PrimaryKey;
 /**
  * Chat Room.
  */
-@SuppressWarnings({"PMD.ShortClassName", "PMD.ShortVariable", "PMD.VariableNamingConventions"})
+@SuppressWarnings({"PMD.ShortClassName", "PMD.ShortVariable",
+    "PMD.MethodNamingConventions", "PMD.VariableNamingConventions"})
 public class Room extends RealmObject {
   public static final String TYPE_CHANNEL = "c";
   public static final String TYPE_PRIVATE = "p";

app/src/main/java/chat/rocket/android/model/User.java

@@ -6,7 +6,8 @@ import io.realm.annotations.PrimaryKey;
 /**
  * User.
  */
-@SuppressWarnings({"PMD.ShortClassName", "PMD.ShortVariable", "PMD.VariableNamingConventions"})
+@SuppressWarnings({"PMD.ShortClassName", "PMD.ShortVariable",
+    "PMD.MethodNamingConventions", "PMD.VariableNamingConventions"})
 public class User extends RealmObject {
   @PrimaryKey private String _id;
   private String username;

config/quality/checkstyle/checkstyle-suppressions.xml

@@ -4,5 +4,7 @@
   "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
 <suppressions>
   <!-- suppress some checks for classes extending RealmObject -->
-  <suppress checks="JavadocMethod|MemberName" files="chat[\\/]rocket[\\/]android[\\/]model"/>
+  <suppress
+      checks="JavadocMethod|MemberName|ParameterName"
+      files="chat[\\/]rocket[\\/]android[\\/]model"/>
 </suppressions>
\ No newline at end of file