Package io.flutter.plugin.common

# Interface EventChannel.EventSink

Enclosing class:
  EventChannel

public static interface EventChannel.EventSink
Event callback. Supports dual use: Producers of events to be sent to Flutter act as clients of this interface for sending events. Consumers of events sent from Flutter implement this interface for handling received events (the latter facility has not been implemented yet).

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `endOfStream()`
  Consumes end of stream.
  `void`
  `error(String errorCode, String errorMessage, Object errorDetails)`
  Consumes an error event.
  `void`
  `success(Object event)`
  Consumes a successful event.

- ## Method Details

  - ### success

    void success(Object event)
    Consumes a successful event.
    Parameters:
      `event` - the event, possibly null.

  - ### error

    void error(String errorCode, String errorMessage, Object errorDetails)
    Consumes an error event.
    Parameters:
      `errorCode` - an error code String.
      `errorMessage` - a human-readable error message String, possibly null.
      `errorDetails` - error details, possibly null

  - ### endOfStream

    void endOfStream()
    Consumes end of stream. Ensuing calls to `success(Object)` or `error(String, String, Object)`, if any, are ignored.