ViewTreeObserver vto = hscrollview.getViewTreeObserver(); 
 
          vto.addOnPreDrawListener(newViewTreeObserver.OnPreDrawListener() { 
 
              @Override 
 
              publicboolean onPreDraw() { 
 
                   if(hasMeasured == false){ 
 
                        intwid = hscrollview.getWidth(); 
 
                        inthei = hscrollview.getHeight(); 
 
                        if(wid != 0 && hei != 0){ 
 
                            hasMeasured= true; 
 
                        } 
 
                   } 
 
                   returntrue; 
 
              } 
 
          });