Package io.flutter.embedding.engine.renderer

## Interface FlutterUiDisplayListener

-     public interface FlutterUiDisplayListener

  Listener invoked when Flutter starts and stops rendering pixels to an Android `View` hierarchy.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onFlutterUiDisplayed()` | Flutter started painting pixels to an Android `View` hierarchy.
    `void` | `onFlutterUiNoLongerDisplayed()` | Flutter stopped painting pixels to an Android `View` hierarchy.

- - ### Method Detail

    - #### onFlutterUiDisplayed

          void onFlutterUiDisplayed()

      Flutter started painting pixels to an Android `View` hierarchy.

      This method will not be invoked if this listener is added after the `FlutterRenderer` has started painting pixels.

    - #### onFlutterUiNoLongerDisplayed

          void onFlutterUiNoLongerDisplayed()

      Flutter stopped painting pixels to an Android `View` hierarchy.