# Package io.flutter.embedding.engine.plugins.activity

- Interface Summary
  Interface | Description
  --- | ---
  ActivityAware | `FlutterPlugin` that is interested in `Activity` lifecycle events related to a `FlutterEngine` running within the given `Activity`.
  ActivityControlSurface | Control surface through which an `Activity` attaches to a `FlutterEngine`.
  ActivityPluginBinding | Binding that gives `ActivityAware` plugins access to an associated `Activity` and the `Activity`'s lifecycle methods.
  ActivityPluginBinding.OnSaveInstanceStateListener |