public static <T extends View> T gone(@Nullable T view) {
        return set(view, GONE);
    }
public static <T extends View> T gone(@Nullable T view) {
        return set(view, GONE);
    }
public static < T extends View > T gone ( @ Nullable T view ) { return set ( view , GONE ) ; }
Make the View gone if it isn't already.
Make the View gone if it isn t already .