Java tutorial
//package com.java2s; /* * Copyright (C) 2015 The Android Open Source Project * * 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; import android.util.Log; public class Main { private static final String TAG = "AutoBackupSample"; public static boolean isExternalStorageAvailable() { String state = Environment.getExternalStorageState(); if (!Environment.MEDIA_MOUNTED.equals(state)) { Log.d(TAG, "The external storage is not available."); return false; } return true; } }