Java tutorial
package android.widget; import android.annotation.NonNull; import android.view.MenuItem; import com.android.internal.view.menu.MenuBuilder; /** * An interface notified when a menu item is hovered. Useful for cases when hover should trigger * some behavior at a higher level, like managing the opening and closing of submenus. * * @hide */ public interface MenuItemHoverListener { /** * Called when hover exits a menu item. * <p> * If hover is moving to another item, this method will be called before * {@link #onItemHoverEnter(MenuBuilder, MenuItem)} for the newly-hovered item. * * @param menu the item's parent menu * @param item the hovered menu item */ void onItemHoverExit(@NonNull MenuBuilder menu, @NonNull MenuItem item); /** * Called when hover enters a menu item. * * @param menu the item's parent menu * @param item the hovered menu item */ void onItemHoverEnter(@NonNull MenuBuilder menu, @NonNull MenuItem item); }