SwipeView类似桌面的滑动界面(14)

                if(mDistanceX > DEFAULT_SWIPE_THRESHOLD)//if over then go forwards 
                { 
                    if(mCurrentPage<(numberOfPages-1))//if not at the end of the pages, you don't want to try and advance into nothing! 
                    { 
                        edgePosition = (int)(fingerUpPage+1)*mPageWidth; 
                    } 
                    else 
                    { 
                        edgePosition = (int)(mCurrentPage)*mPageWidth; 
                    } 
                } 
                else //return to start position 
                { 
                    if(Math.round(fingerUpPage)==numberOfPages-1)//if at the end 
                    { 
                        //need to correct for when user starts to scroll into  
                        //nothing then pulls it back a bit, this becomes a  
                        //kind of forwards scroll instead 
                        edgePosition = (int)(fingerUpPage+1)*mPageWidth; 
                    }