@Override
                            public boolean areContentsTheSame(File file, File file2) {
                                return file.getAbsolutePath().equals(file2.getAbsolutePath()) && (file.isFile() == file2.isFile());
                            }
Get a loader that lists the Files in the current path,
and monitors changes.
android/modules/module_filepicker/src/main/java/com/nononsenseapps/filepicker/FilePickerFragment.java