LinearLayout 宽高设置

    if (transLin!=null){            ViewGroup.LayoutParams lp;            lp= transLin.getLayoutParams();            lp.width=mScreenWidth;            lp.height=height;            transLin.setLayoutParams(lp);//          transLin.setLayoutParams(new LinearLayout.LayoutParams(mScreenWidth, height));            if (transLin.getHeight() >height){               transLin.setLayoutParams(lp);            }         }