LayoutUtil.java

package com.sogouchat.util;

import android.content.Context;

public class LayoutUtil {
	public static int dip2px(Context context, float dipValue) {
		final float scale = context.getResources().getDisplayMetrics().density;
		return (int) (dipValue * scale + 0.5f);
	}
	
	 public static int px2dip(Context context, float pxValue){ 
         final float scale = context.getResources().getDisplayMetrics().density;
         return (int)(pxValue / scale + 0.5f); 
 } 
}