Java tutorial
//package com.java2s; /* * Zirco Browser for Android * * Copyright (C) 2010 J. Devauchelle and contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 3 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. */ import java.io.File; import android.os.Environment; public class Main { private static final String APPLICATION_FOLDER = "zirco"; private static final String DOWNLOAD_FOLDER = "downloads"; /** * Get the application download folder on the SD Card. Create it if not present. * @return The application download folder. */ public static File getDownloadFolder() { File root = getApplicationFolder(); if (root != null) { File folder = new File(root, DOWNLOAD_FOLDER); if (!folder.exists()) { folder.mkdir(); } return folder; } else { return null; } } /** * Get the application folder on the SD Card. Create it if not present. * @return The application folder. */ public static File getApplicationFolder() { File root = Environment.getExternalStorageDirectory(); if (root.canWrite()) { File folder = new File(root, APPLICATION_FOLDER); if (!folder.exists()) { folder.mkdir(); } return folder; } else { return null; } } }