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 android.os.Environment; public class Main { public static void verifyExternalStorageAvailability() { String cardstatus = Environment.getExternalStorageState(); if (cardstatus.equals(Environment.MEDIA_REMOVED) || cardstatus.equals(Environment.MEDIA_UNMOUNTABLE) || cardstatus.equals(Environment.MEDIA_UNMOUNTED) || cardstatus.equals(Environment.MEDIA_MOUNTED_READ_ONLY) || cardstatus.equals(Environment.MEDIA_SHARED)) { RuntimeException e = new RuntimeException( "ODK reports :: SDCard error: " + Environment.getExternalStorageState()); throw e; } } }