Improve layout for tabs

app/src/main/java/fr/gouv/etalab/mastodon/fragments/DisplayMediaFragment.java

@@ -99,6 +99,7 @@ public class DisplayMediaFragment extends Fragment implements OnRetrieveFeedsInt
         GridLayoutManager gvLayout = new GridLayoutManager(context, 3);
         gridview.setLayoutManager(gvLayout);
 
+
         gridview.addOnScrollListener(new RecyclerView.OnScrollListener() {
             public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                 int firstVisibleItem = gvLayout.findFirstVisibleItemPosition();

app/src/main/res/layout/drawer_media.xml

@@ -16,7 +16,7 @@
     see <http://www.gnu.org/licenses>.
 -->
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="110dp"
+    android:layout_width="wrap_content"
     android:layout_height="110dp"
     android:id="@+id/main_container"
     android:divider="?android:dividerHorizontal"

app/src/main/res/layout/fragment_status_media.xml

@@ -31,6 +31,7 @@ android:layout_height="match_parent">
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:scrollbars="none"
+        android:padding="@dimen/item_offset"
         />
     <RelativeLayout
         android:id="@+id/no_action"

app/src/main/res/values/dimens.xml

@@ -11,4 +11,5 @@
     <bool name="isTablet">false</bool>
     <dimen name="layout_height_header">180dp</dimen>
     <dimen name="fab_margin_floating">16dp</dimen>
+    <dimen name="item_offset">5dp</dimen>
 </resources>