Use for get stream element by read StreamReader can get one element from stream by read method
StreamReader has only one constructor and one parameter, call "RawDataStream". While StreamReader creating, subscribe RawDataStream and control it.
RawDataStream -> Completer -> Read
) → void
- Destroy StreamReader
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
) → FutureOr< T>
- Whether stream is end (include error occur) Read first data of current data stream If stream is released or end, return null
) → Stream< T>
Release the stream
If stream is released or end, return null
If current is waiting for reading, complete
) → String
A string representation of this object.