dip与px单位之间转换

//转换dip为pxpublic static int convertDIP2PX(Context context, int dip) {float scale = context.getResources().getDisplayMetrics().density;return (int)(dip*scale + 0.5f*(dip>=0?1:-1));}//转换px为dippublic static int convertPX2DIP(Context context, int px) {float scale = context.getResources().getDisplayMetrics().density;return (int)(px/scale + 0.5f*(px>=0?1:-1));}