Java tutorial
//package com.java2s; /** * Copyright (c) 2013-2014, ?? ??(http://1.playandroid.duapp.com/) * * 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 java.io.File; import android.os.StatFs; public class Main { public static long getAvailableSize(String path) { try { File base = new File(path); StatFs stat = new StatFs(base.getPath()); long nAvailableCount = stat.getBlockSize() * ((long) stat.getAvailableBlocks()); return nAvailableCount; } catch (Exception e) { e.printStackTrace(); } return 0; } }