1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.os.storage; 18 19 /** 20 * Callback class for receiving events from MountService. 21 * 22 * @hide - Applications should use android.os.storage.IStorageEventListener 23 * for storage event callbacks. 24 */ 25 interface IMountServiceListener { 26 /** 27 * Detection state of USB Mass Storage has changed 28 * 29 * @param available true if a UMS host is connected. 30 */ 31 void onUsbMassStorageConnectionChanged(boolean connected); 32 33 /** 34 * Storage state has changed. 35 * 36 * @param path The volume mount path. 37 * @param oldState The old state of the volume. 38 * @param newState The new state of the volume. 39 * 40 * Note: State is one of the values returned by Environment.getExternalStorageState() 41 */ 42 void onStorageStateChanged(String path, String oldState, String newState); 43 } 44