Add contentDescription tag into main menu items

res/menu/main_menu.xml

@@ -24,37 +24,43 @@
         android:icon="@drawable/ic_action_upload"
         android:orderInCategory="2"
         android:showAsAction="always"
-        android:title="@string/actionbar_upload"/>
+        android:title="@string/actionbar_upload"
+        android:contentDescription="@string/actionbar_upload"/>
     <item
         android:id="@+id/action_create_dir"
         android:icon="@drawable/ic_action_create_dir"
         android:orderInCategory="2"
         android:showAsAction="always"
-        android:title="@string/actionbar_mkdir"/>
+        android:title="@string/actionbar_mkdir"
+        android:contentDescription="@string/actionbar_mkdir"/>
     <item
         android:id="@+id/action_sync_account"
         android:icon="@drawable/ic_action_refresh"
         android:orderInCategory="2"
         android:showAsAction="never"
-        android:title="@string/actionbar_sync"/>
+        android:title="@string/actionbar_sync"
+        android:contentDescription="@string/actionbar_sync"/>
     <item
         android:id="@+id/action_settings"
         android:icon="@drawable/ic_action_settings"
         android:orderInCategory="2"
         android:showAsAction="never"
-        android:title="@string/actionbar_settings"/>
+        android:title="@string/actionbar_settings"
+        android:contentDescription="@string/actionbar_settings"/>
     <item
         android:id="@+id/action_logger"
         android:icon="@drawable/ic_action_settings"
         android:orderInCategory="2"
         android:showAsAction="never"
-        android:title="@string/actionbar_logger"/>
+        android:title="@string/actionbar_logger"
+        android:contentDescription="@string/actionbar_logger"/>
 	<item
         android:id="@+id/action_sort"
         android:icon="@android:drawable/ic_menu_sort_alphabetically"
         android:orderInCategory="2"
         android:showAsAction="never"
-        android:title="@string/actionbar_sort"/>
+        android:title="@string/actionbar_sort"
+        android:contentDescription="@string/actionbar_sort"/>
 
     <!-- <item android:id="@+id/search" android:title="@string/actionbar_search" android:icon="@drawable/ic_action_search"></item> -->