1 /* 2 * Copyright (C) 2010 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 progress reports during a restore operation. These 21 * methods will all be called on your application's main thread. 22 * @hide 23 */ 24 public abstract class MountServiceListener { 25 /** 26 * USB Mass storage connection state has changed. 27 * 28 * @param connected True if UMS is connected. 29 */ onUsbMassStorageConnectionChanged(boolean connected)30 void onUsbMassStorageConnectionChanged(boolean connected) { 31 } 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 */ onStorageStateChange(String path, String oldState, String newState)42 void onStorageStateChange(String path, String oldState, String newState) { 43 } 44 } 45