A library help you control stream, like that fetch data when you read.
add in pubspec.yaml, like this:
stream_reader: ^1.0.7Stream<List<int>> testStream() async* {
yield [0x00, 0x00, 0x01, 0x00];
yield [0x00, 0x00, 0x00, 0x01];
}
void main() async {
final dataReader = DataReader(ByteBufferReader(StreamReader(testStream())));
print(await dataReader.readInt());
transformStream(transformByteStream(dataReader.releaseStream(), (reader) {
return reader.readOneByte();
}), (reader) {
return reader.read();
}).listen(print);
}