[Résolu] Saisir les métadonnées d'un document spécifié par l'URI

public void dumpImageMetaData(Uri uri) {


    Cursor cursor = getActivity().getContentResolver()
            .query(uri, null, null, null, null, null);

    try {
  
        if (cursor != null && cursor.moveToFirst()) {

          
            String displayName = cursor.getString(
                    cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            Log.i(TAG, "Display Name: " + displayName);

            int sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE);
           
            String size = null;
            if (!cursor.isNull(sizeIndex)) {
                // Technically the column stores an int, but cursor.getString()
                // will do the conversion automatically.
                size = cursor.getString(sizeIndex);
            } else {
                size = "Unknown";
            }
            Log.i(TAG, "Size: " + size);
        }
    } finally {
        cursor.close();
    }
}