load method

  1. @override
Future<ByteData> load(
  1. String key
)
override

Retrieve a binary resource from the asset bundle as a data stream.

Throws an exception if the asset is not found.

The returned ByteData can be converted to a Uint8List (a list of bytes) using Uint8List.sublistView. Lists of bytes can be used with APIs that accept Uint8List objects, such as decodeImageFromList, as well as any API that accepts a List<int>, such as File.writeAsBytes or Utf8Codec.decode (accessible via utf8).

Implementation

@override
Future<ByteData> load(String key) {
  return Future<ByteData>(() async {
    final span = _hub.getSpan()?.startChild(
          'file.read',
          description: 'AssetBundle.load: ${_fileName(key)}',
        );

    span?.setData('file.path', key);
    // ignore: invalid_use_of_internal_member
    span?.origin = SentryTraceOrigins.autoFileAssetBundle;

    ByteData? data;
    try {
      data = await _bundle.load(key);
      _setDataLength(data, span);
      span?.status = SpanStatus.ok();
    } catch (exception) {
      span?.throwable = exception;
      span?.status = SpanStatus.internalError();
      rethrow;
    } finally {
      await span?.finish();
    }
    return data;
  });
}