Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * Copyright (C) 2009-2013 University of Washington * * 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.Environment; public class Main { private static final String ODK_FOLDER_NAME = "opendatakit"; public static String extractAppNameFromPath(File path) { if (path == null) { return null; } File parent = path.getParentFile(); File odkDir = new File(getOdkFolder()); while (parent != null && !parent.equals(odkDir)) { path = parent; parent = path.getParentFile(); } if (parent == null) { return null; } else { return path.getName(); } } public static String getOdkFolder() { String path = Environment.getExternalStorageDirectory() + File.separator + ODK_FOLDER_NAME; return path; } }