This is a simple cross-platform package to operate files in available on a certain platform destinations. Uses idb_shim under the web platform.

Features

• Provides with destinations of
  • Application's files,
  • Documents,
  • Cache files.
• Recursive creation of folders inside supported destinations.
• Checking existence of a certain file by its path.
• Loading and saving of
  • binary data (List<int>),
  • text (utf8-encoded),
  • json objects and arrays.
• Saving stream of data (List<int>).

Usage

final fileStorage = FileStorage();
final documentsPath = await fileStorage.getDocumentsPath();
final filePath = '$documentsPath/my_folder/my_file.txt';
await fileStorage.ensurePathExists(fileName);
await fileStorage.saveText(fileName, 'My text');
final savedText = await fileStorage.loadText(fileName);
print('Saved text is: $savedText');
final bytes1 = Uint8List.fromList([ 1, 2, 3 ]);
final bytes2 = Uint8List.fromList([ 4, 5, 6 ]);
await fileStorage.saveStream(fileName, Stream.fromIterable([
  bytes1, bytes2
]));