android 更改webview大小

DisplayMetrics dm =
new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(dm);

int width=dm.widthPixels;

int height=dm.heightPixels;

LinearLayout.LayoutParams
linearParams = (LinearLayout.LayoutParams)
webview.getLayoutParams(); 

linearParams.height = height;

webview.setLayoutParams(linearParams);