Package com.google.gwt.core.client

## Interface RunAsyncCallback

-     public interface RunAsyncCallback

  A callback meant to be used by `GWT.runAsync(RunAsyncCallback)`.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `onFailure​(java.lang.Throwable reason)` | Called when, for some reason, the necessary code cannot be loaded.
    `void` | `onSuccess()` | Called once the necessary code for it has been loaded.

- - ### Method Detail

    - #### onFailure

          void onFailure​(java.lang.Throwable reason)

      Called when, for some reason, the necessary code cannot be loaded. For example, the web browser might no longer have network access.

    - #### onSuccess

          void onSuccess()

      Called once the necessary code for it has been loaded.