com.google.gwt.user.client.ui

## Class FocusListenerAdapter

- java.lang.Object
- - com.google.gwt.user.client.ui.FocusListenerAdapter

- All Implemented Interfaces:
    FocusListener, java.util.EventListener

  Deprecated.
  Use `FocusHandler` and `BlurHandler` instead

      @Deprecated
      public abstract class FocusListenerAdapter
      extends java.lang.Object
      implements FocusListener

  An adapter to simplify focus event listeners that do not need all events defined on the FocusListener interface.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `FocusListenerAdapter()` Deprecated.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `onFocus(Widget sender)` Deprecated. Fired when a widget receives keyboard focus.
    `void` | `onLostFocus(Widget sender)` Deprecated. Fired when a widget loses keyboard focus.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### FocusListenerAdapter

          public FocusListenerAdapter()

      Deprecated.

  - ### Method Detail

    - #### onFocus

          public void onFocus(Widget sender)

      Deprecated.
      Description copied from interface: `FocusListener`
      Fired when a widget receives keyboard focus.
      Specified by:
        `onFocus` in interface `FocusListener`
      Parameters:
        `sender` - the widget receiving focus.

    - #### onLostFocus

          public void onLostFocus(Widget sender)

      Deprecated.
      Description copied from interface: `FocusListener`
      Fired when a widget loses keyboard focus.
      Specified by:
        `onLostFocus` in interface `FocusListener`
      Parameters:
        `sender` - the widget losing focus.