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.mtp; 18 19 /** 20 * This class encapsulates information about a storage unit on an MTP device. 21 * This corresponds to the StorageInfo Dataset described in 22 * section 5.2.2 of the MTP specification. 23 */ 24 public final class MtpStorageInfo { 25 26 private int mStorageId; 27 private long mMaxCapacity; 28 private long mFreeSpace; 29 private String mDescription; 30 private String mVolumeIdentifier; 31 32 // only instantiated via JNI MtpStorageInfo()33 private MtpStorageInfo() { 34 } 35 36 /** 37 * Returns the storage ID for the storage unit. 38 * The storage ID uniquely identifies the storage unit on the MTP device. 39 * 40 * @return the storage ID 41 */ getStorageId()42 public final int getStorageId() { 43 return mStorageId; 44 } 45 46 /** 47 * Returns the maximum storage capacity for the storage unit in bytes 48 * 49 * @return the maximum capacity 50 */ getMaxCapacity()51 public final long getMaxCapacity() { 52 return mMaxCapacity; 53 } 54 55 /** 56 * Returns the amount of free space in the storage unit in bytes 57 * 58 * @return the amount of free space 59 */ getFreeSpace()60 public final long getFreeSpace() { 61 return mFreeSpace; 62 } 63 64 /** 65 * Returns the description string for the storage unit. 66 * This is typically displayed to the user in the user interface on the 67 * MTP host. 68 * 69 * @return the storage unit description 70 */ getDescription()71 public final String getDescription() { 72 return mDescription; 73 } 74 75 /** 76 * Returns the volume identifier for the storage unit 77 * 78 * @return the storage volume identifier 79 */ getVolumeIdentifier()80 public final String getVolumeIdentifier() { 81 return mVolumeIdentifier; 82 } 83 } 84