WebView wv;

 

wv.setVerticalScrollBarEnabled(false);  取消Vertical ScrollBar显示

wv.setHorizontalScrollBarEnabled(false); 取消Horizontal ScrollBar显示

wv.setVerticalScrollBarEnabled(true);  

wv.setHorizontalScrollBarEnabled(true);

wv.setScrollBarStyle(View.SCROLLBARS_INSIDE_INSET) ;

wv.setScrollBarStyle(SCROLLBARS_OUTSIDE_INSET) ;

 

wv.setHorizontalScrollbarOverlay(boolean overlay);

wv.setVerticalScrollbarOverlay(boolean overlay);