如何在代码中设置以dp为单位的长度

获取当前屏幕的密度系数 ，并设置控件以dp为单位的长宽   float density = getResources().getDisplayMetrics().density;   params = new LayoutParams((int) (10 * density), (int) (10 * density));   params.setMargins((int) (10 * density), 0, (int) (10 * density), 0);  

转载于:https://www.cnblogs.com/colorful-life/p/4716556.html