code: public boolean scrollWebView(final WebView webView, int direction, final boolean allTheWay){
  
  		if (direction == DOWN) {
  			inst.runOnMainSync(new Runnable(){
  				public void run(){
  					canScroll =  webView.pageDown(allTheWay);
  				}
  			});
  		}
  		if(direction == UP){
  			inst.runOnMainSync(new Runnable(){
  				public void run(){
  					canScroll =  webView.pageUp(allTheWay);
  				}
  			});
  		}
  		return canScroll;
  	}
docs: Scrolls a WebView.
  
  @param webView the WebView to scroll
  @param direction the direction to scroll
  @param allTheWay {@code true} to scroll the view all the way up or down, {@code false} to scroll one page up or down                          or down.
  @return {@code true} if more scrolling can be done