diff --git a/android/src/com/example/travelguide/thumb/ObbThumbnailProvider.java b/android/src/com/example/travelguide/thumb/ObbThumbnailProvider.java
index 8d4dc13..cce43bf 100644
--- a/android/src/com/example/travelguide/thumb/ObbThumbnailProvider.java
+++ b/android/src/com/example/travelguide/thumb/ObbThumbnailProvider.java
@@ -1,5 +1,6 @@
 package com.example.travelguide.thumb;
 
+import static com.example.travelguide.util.Utils.notNull;
 import android.content.Context;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
@@ -12,6 +13,19 @@ import com.example.travelguide.util.Expansion;
 public class ObbThumbnailProvider extends OnObbStateChangeListener implements ThumbnailsProvider
 {
 
+  // Mount events
+  public interface MountStateChangedListener
+  {
+    public void onMountStateChanged(int newState);
+  }
+
+  private MountStateChangedListener mStateChangedListener;
+  public void setOnMountChangedListener(MountStateChangedListener listener)
+  {
+    mStateChangedListener = listener;
+  }
+  // !Mount event
+
   private final static String TAG = "TravelObb";
 
   private final Context mContext;
@@ -24,11 +38,20 @@ public class ObbThumbnailProvider extends OnObbStateChangeListener implements Th
     mSm.mountObb(Expansion.getPath(), null, this);
   }
 
+  public ObbThumbnailProvider(Context context, MountStateChangedListener listener)
+  {
+    this(context);
+    mStateChangedListener = listener;
+  }
+
   @Override
   public void onObbStateChange(String path, int state)
   {
     super.onObbStateChange(path, state);
     Log.d(TAG, "path: " + path + " state: " + state);
+
+    if (notNull(mStateChangedListener))
+      mStateChangedListener.onMountStateChanged(state);
   }
 
   @Override
diff --git a/android/src/com/example/travelguide/util/Utils.java b/android/src/com/example/travelguide/util/Utils.java
index 0f7ccfe..d54ef8b 100644
--- a/android/src/com/example/travelguide/util/Utils.java
+++ b/android/src/com/example/travelguide/util/Utils.java
@@ -147,4 +147,9 @@ public class Utils
     return Math.log(value)/Math.log(1024);
   }
 
+  public static boolean notNull(Object o)
+  {
+    return o != null;
+  }
+
 }
diff --git a/android/src/com/example/travelguide/widget/StorageArticleInfoAdapter.java b/android/src/com/example/travelguide/widget/StorageArticleInfoAdapter.java
index 33aecdd..277445f 100644
--- a/android/src/com/example/travelguide/widget/StorageArticleInfoAdapter.java
+++ b/android/src/com/example/travelguide/widget/StorageArticleInfoAdapter.java
@@ -8,13 +8,14 @@ import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import com.susanin.travelguide.R;
 import com.example.travelguide.article.ArticleInfo;
 import com.example.travelguide.cpp.Storage;
 import com.example.travelguide.thumb.ObbThumbnailProvider;
 import com.example.travelguide.thumb.ThumbnailsProvider;
+import com.susanin.travelguide.R;
 
 public class StorageArticleInfoAdapter extends BaseAdapter
+                                       implements ObbThumbnailProvider.MountStateChangedListener
 {
   private final Storage mStorage;
   private final Context mContext;
@@ -24,7 +25,7 @@ public class StorageArticleInfoAdapter extends BaseAdapter
   {
     mStorage = storage;
     mContext = context;
-    mThumbnailsProvider = new ObbThumbnailProvider(context);
+    mThumbnailsProvider = new ObbThumbnailProvider(context, this);
   }
 
   @Override
@@ -88,4 +89,10 @@ public class StorageArticleInfoAdapter extends BaseAdapter
     }
   }
 
+  @Override
+  public void onMountStateChanged(int newState)
+  {
+    notifyDataSetChanged();
+  }
+
 }