com.google.gwt.user.client.ui

## Interface FocusListener

- All Superinterfaces:
    java.util.EventListener
  All Known Implementing Classes:
    DelegatingFocusListenerCollection, FocusListenerAdapter

  Deprecated.
  Use `FocusHandler` and/or `BlurHandler` instead

      @Deprecated
      public interface FocusListener
      extends java.util.EventListener

  Event listener for focus events.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `onFocus(Widget sender)` Deprecated. Use `FocusHandler.onFocus(com.google.gwt.event.dom.client.FocusEvent)` instead
    `void` | `onLostFocus(Widget sender)` Deprecated. Use `BlurHandler.onBlur(com.google.gwt.event.dom.client.BlurEvent)` instead

- - ### Method Detail

    - #### onFocus

          @Deprecated
          void onFocus(Widget sender)

      Deprecated. Use `FocusHandler.onFocus(com.google.gwt.event.dom.client.FocusEvent)` instead
      Fired when a widget receives keyboard focus.
      Parameters:
        `sender` - the widget receiving focus.

    - #### onLostFocus

          @Deprecated
          void onLostFocus(Widget sender)

      Deprecated. Use `BlurHandler.onBlur(com.google.gwt.event.dom.client.BlurEvent)` instead
      Fired when a widget loses keyboard focus.
      Parameters:
        `sender` - the widget losing focus.