package com.lemenzo.gallery.util; import java.util.Locale;
public final class FileSizeUtils { private FileSizeUtils(){} public static String format(long b){if(b<1024)return b+" B"; double v=b; String[] u={"KB","MB","GB","TB"}; int i=-1; do{v/=1024;i++;}while(v>=1024&&i<u.length-1); return String.format(Locale.US,"%.1f %s",v,u[i]);} }