Java tutorial
//package com.java2s; /** * ownCloud Android client application * * @author David A. Velasco * Copyright (C) 2015 ownCloud Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.io.File; import android.annotation.SuppressLint; import android.os.Environment; import android.os.StatFs; public class Main { @SuppressLint("NewApi") public static final long getUsableSpace(String accountName) { File savePath = Environment.getExternalStorageDirectory(); if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD) { return savePath.getUsableSpace(); } else { StatFs stats = new StatFs(savePath.getAbsolutePath()); return stats.getAvailableBlocks() * stats.getBlockSize(); } } }