some refactoring

app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java

@@ -208,13 +208,20 @@ public class MainActivity extends AppCompatActivity
         adapter.updateItems(dirs);
     }
 
-    private void renameDirectory() {
+    private void editDirectory() {
         final SparseBooleanArray items = gridView.getCheckedItemPositions();
         final int cnt = items.size();
         for (int i = 0; i < cnt; i++) {
             if (items.valueAt(i)) {
                 final int id = items.keyAt(i);
                 final String path = dirs.get(id).getPath();
+                renameDir(path);
+                break;
+            }
+        }
+    }
+
+    private void renameDir(final String path) {
         final File dir = new File(path);
 
         final View renameFileView = getLayoutInflater().inflate(R.layout.rename_directory, null);
@@ -252,10 +259,6 @@ public class MainActivity extends AppCompatActivity
                 }
             }
         });
-
-                break;
-            }
-        }
     }
 
     @Override
@@ -297,7 +300,7 @@ public class MainActivity extends AppCompatActivity
     public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
         switch (item.getItemId()) {
             case R.id.cab_edit:
-                renameDirectory();
+                editDirectory();
                 return true;
             case R.id.cab_remove:
                 prepareForDeleting();