src/main/java/io/reactivex/Observable.java
@CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Observable<T> skipWhile(Predicate<? super T> predicate) {
        ObjectHelper.requireNonNull(predicate, "predicate is null");
        return RxJavaPlugins.onAssembly(new ObservableSkipWhile<T>(this, predicate));
    }
@CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Observable<T> skipWhile(Predicate<? super T> predicate) {
        ObjectHelper.requireNonNull(predicate, "predicate is null");
        return RxJavaPlugins.onAssembly(new ObservableSkipWhile<T>(this, predicate));
    }
Returns an Observable that skips all items emitted by the source ObservableSource as long as a specified
condition holds true, but emits all further source items as soon as the condition becomes false.
<p>
<img width="640" height="305" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/skipWhile.png" alt="">
<dl>
<dt><b>Scheduler:</b></dt>
<dd>{@code skipWhile} does not operate by default on a particular {@link Scheduler}.</dd>
</dl>

@param predicate
a function to test each item emitted from the source ObservableSource
@return an Observable that begins emitting items emitted by the source ObservableSource when the specified
predicate becomes false
@see <a href="http://reactivex.io/documentation/operators/skipwhile.html">ReactiveX operators documentation: SkipWhile</a>