DisplayMetrics dm = new DisplayMetrics();//获取当前显示的界面大小        getWindowManager().getDefaultDisplay().getMetrics(dm);        int width=dm.widthPixels;        int height=dm.heightPixels;//获取当前界面的高度        LinearLayout.LayoutParams linearParams = (LinearLayout.LayoutParams) wv.getLayoutParams();         linearParams.height = height;        wv.setLayoutParams(linearParams);