Orientation change recent chats fragment fix.

app/src/main/java/com/xabber/android/ui/ChatViewer.java

@@ -408,4 +408,8 @@ public class ChatViewer extends ManagedActivity implements OnChatChangedListener
     public void onRecentChatsCalled() {
         viewPager.setCurrentItem(chatViewerAdapter.getRecentChatsPosition(), true);
     }
+
+    public ChatViewerAdapter getChatViewerAdapter() {
+        return chatViewerAdapter;
+    }
 }

app/src/main/java/com/xabber/android/ui/RecentChatFragment.java

@@ -13,13 +13,12 @@ import com.xabber.android.data.message.AbstractChat;
 import com.xabber.android.ui.adapter.ChatListAdapter;
 import com.xabber.androiddev.R;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class RecentChatFragment extends ListFragment {
     private RecentChatFragmentInteractionListener listener;
 
-    private List<AbstractChat> initialChats = null;
-
     public static RecentChatFragment newInstance() {
         return  new RecentChatFragment();
     }
@@ -31,10 +30,6 @@ public class RecentChatFragment extends ListFragment {
     public RecentChatFragment() {
     }
 
-    public void setInitialChats(List<AbstractChat> initialChats) {
-        this.initialChats = initialChats;
-    }
-
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -59,10 +54,8 @@ public class RecentChatFragment extends ListFragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         super.onCreateView(inflater, container, savedInstanceState);
 
-        if (initialChats != null) {
-            ((ChatListAdapter) getListAdapter()).updateChats(initialChats);
-            initialChats = null;
-        }
+        ArrayList<AbstractChat> activeChats = ((ChatViewer) getActivity()).getChatViewerAdapter().getActiveChats();
+        ((ChatListAdapter) getListAdapter()).updateChats(activeChats);
 
         if (getListAdapter().isEmpty()) {
             Activity activity = getActivity();

app/src/main/java/com/xabber/android/ui/adapter/ChatViewerAdapter.java

@@ -73,9 +73,7 @@ public class ChatViewerAdapter extends FragmentStatePagerAdapter {
         int realPosition = getRealPagePosition(virtualPagePosition);
 
         if (realPosition == 0) {
-            RecentChatFragment activeChatFragment = RecentChatFragment.newInstance();
-            activeChatFragment.setInitialChats(activeChats);
-            return activeChatFragment;
+            return RecentChatFragment.newInstance();
         }
 
         AbstractChat chat = activeChats.get(getChatIndexFromRealPosition(realPosition));