rename layout photo_item to directory_item

app/src/main/java/gallery/simplemobiletools/com/DirectoryAdapter.java

@@ -27,7 +27,7 @@ public class DirectoryAdapter extends BaseAdapter {
     public View getView(int position, View view, ViewGroup parent) {
         ViewHolder holder;
         if (view == null) {
-            view = inflater.inflate(R.layout.photo_item, parent, false);
+            view = inflater.inflate(R.layout.directory_item, parent, false);
             holder = new ViewHolder(view);
             view.setTag(holder);
         } else {

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

@@ -35,7 +35,8 @@ public class MainActivity extends AppCompatActivity implements OnItemClickListen
     private Map<String, Directory> getDirectories() {
         final Map<String, Directory> directories = new TreeMap<>();
         final Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
-        final Cursor cursor = getContentResolver().query(uri, null, null, null, null);
+        final String[] columns = {MediaStore.Images.Media.DATA};
+        final Cursor cursor = getContentResolver().query(uri, columns, null, null, null);
 
         if (cursor != null && cursor.moveToFirst()) {
             final int pathIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);