blaa

blaa.dart

import 'dart:io';

void main() {
  getFiles().then((List<String> paths) {
    print(paths[0]);
  });
}

Future<List<String>> getFiles() {
  Completer<List<String>> c = new Completer<List<String>>();
  String Path = "../../MaterialEditor/web/Images/";
  List<String> Files = new List<String>();
  var d = new Directory(Path);

  d.exists().then((bool exists) {
    if (!exists)
      return;

    d.list().toList().then((List<FileSystemEntity> entities) {
      entities.forEach((FileSystemEntity entity) {
        if (entity is File) {
      	  Files.add(entity.path.substring(Path.length));
        }
      }
      c.complete(Files);
    });
    
   });
  });
  return c.future;
}