A kind of solution of ViewPages hangs up: ChatViewerAdapter count set to 200,...

A kind of solution of ViewPages hangs up: ChatViewerAdapter count set to 200, InfiniteViewPager offset set to 100.

app/src/main/java/com/antonyt/infiniteviewpager/InfiniteViewPager.java

@@ -34,6 +34,9 @@ import com.xabber.android.ui.adapter.ChatViewerAdapter;
  */
 public class InfiniteViewPager extends ViewPager {
 
+    public static final int OFFSET = 100;
+    public static final int TOTAL_COUNT = 200;
+
     public InfiniteViewPager(Context context) {
         super(context);
     }
@@ -74,7 +77,7 @@ public class InfiniteViewPager extends ViewPager {
         // should be enough to create an illusion of infinity
         // warning: scrolling to very high values (1,000,000+) results in
         // strange drawing behaviour
-        return ((ChatViewerAdapter) getAdapter()).getRealCount() * 100;
+        return OFFSET;
     }
 
     @Override

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

@@ -6,6 +6,7 @@ import android.app.FragmentManager;
 import android.support.v13.app.FragmentStatePagerAdapter;
 import android.view.ViewGroup;
 
+import com.antonyt.infiniteviewpager.InfiniteViewPager;
 import com.xabber.android.data.message.AbstractChat;
 import com.xabber.android.data.message.MessageManager;
 import com.xabber.android.ui.ChatViewerFragment;
@@ -46,7 +47,7 @@ public class ChatViewerAdapter extends FragmentStatePagerAdapter implements Upda
     public int getCount() {
         // warning: scrolling to very high values (1,000,000+) results in
         // strange drawing behaviour
-        return Integer.MAX_VALUE;
+        return InfiniteViewPager.TOTAL_COUNT;
     }
 
     public int getRealCount() {