drawer preparations for "On Device" menu item

res/menu/drawer_menu.xml

@@ -27,6 +27,13 @@
             android:id="@+id/nav_all_files"
             android:icon="@drawable/ic_folder_open"
             android:title="@string/drawer_item_all_files"/>
+        <!-- TODO activate when On Device branch is merged
+        <item
+            android:orderInCategory="0"
+            android:id="@+id/nav_on_device"
+            android:icon="@drawable/ic_action_download_grey"
+            android:title="@string/drawer_item_on_device"/>
+         -->
         <item
             android:orderInCategory="0"
             android:id="@+id/nav_uploads"

src/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -207,7 +207,17 @@ public abstract class DrawerActivity extends ToolbarActivity {
                                 mCheckedMenuItem = menuItem.getItemId();
 
                                 allFilesOption();
+                                // TODO activate when On Device branch is merged
+                                // MainApp.showOnlyFilesOnDevice(false);
+                                // refreshDirectory();
                                 break;
+                            // TODO activate when On Device branch is merged
+                            // case R.id.nav_on_device:
+                            //     menuItem.setChecked(true);
+                            //     mCheckedMenuItem = menuItem.getItemId();
+                            //     MainApp.showOnlyFilesOnDevice(true);
+                            //     refreshDirectory();
+                            //     break;
                             case R.id.nav_uploads:
                                 Intent uploadListIntent = new Intent(getApplicationContext(),
                                         UploadListActivity.class);