boolean function ( @ Nullable File arg0 ) { return arg0 != null && arg0 . exists ( ) ; }
returns if the given file is not null and exists in the file system concode_field_sep String EXTENSION_JPEG concode_elem_sep String FOLDER_NAME concode_elem_sep String EXTENSION_MP4 concode_elem_sep String EXTENSION_GIF concode_elem_sep String TAG concode_elem_sep String EXTENSION_PNG concode_field_sep long getDirectorySize concode_elem_sep boolean copyFile concode_elem_sep boolean saveUrl concode_elem_sep boolean savePhoto concode_elem_sep String humanReadableByteCount concode_elem_sep void closeStream concode_elem_sep boolean writeInputStreamToFile concode_elem_sep void scanFile concode_elem_sep void deleteDirectory concode_elem_sep File createFile concode_elem_sep File createFile