Android: Refreshing the Gallery after saving new images

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Code provided by Petrus in another answer works for me on Kitkat (4.4):

MediaScannerConnection.scanFile(this, new String[] { Environment.getExternalStorageDirectory().toString() }, null, new MediaScannerConnection.OnScanCompletedListener() {
/*
 *   (non-Javadoc)
 * @see android.media.MediaScannerConnection.OnScanCompletedListener#onScanCompleted(java.lang.String, android.net.Uri)
 */
public void onScanCompleted(String path, Uri uri) 
  {
      Log.i("ExternalStorage", "Scanned " + path + ":");
      Log.i("ExternalStorage", "-> uri=" + uri);
  }
    });

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