Java tutorial
//package com.java2s; /* * @(#)CacheCommonUtil.java Project:androidkit * Date:2013-11-6 * * Copyright (c) 2013 CFuture09, Institute of Software, * Guangdong Ocean University, Zhanjiang, GuangDong, China. * All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.os.StatFs; import java.io.File; public class Main { public static long getUsableSpace(File path) { final StatFs stats = new StatFs(path.getPath()); return stats.getBlockCount() * stats.getAvailableBlocks(); } }