Java tutorial
//package com.java2s; /* * Copyright (c) 2014-2015 Luis M. Gallardo D. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser General Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/lgpl.html * */ public class Main { public static double humanSizeToBytes(String value) { String scalar; int unit = 1024; int exp; char c; double returnValue = 0; String[] words = value.split("\\s+"); // Log.d("Debug", "words length:" + words.length); if (words.length == 2) { // Log.d("Debug", "words[0]:" + words[0]); // Log.d("Debug", "words[1]:" + words[1]); try { scalar = words[0].replace(",", "."); // Log.d("Debug", "scalar:" + scalar); exp = "BKMGTPE".indexOf((words[1]).toCharArray()[0]); // Log.d("Debug", "exp:" + exp); returnValue = Double.parseDouble(scalar) * Math.pow(unit, exp); } catch (Exception e) { } } return returnValue; } }