Stay organized with collections
Save and categorize content based on your preferences.
android.os.storage
Contains classes for the system storage service, which manages binary asset filesystems
known as Opaque Binary Blobs (OBBs).
Classes
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
[null,null,["Last updated 2025-02-10 UTC."],[],[],null,["# android.os.storage\n\nAdded in [API level 9](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\nandroid.os.storage\n==================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/android/os/storage/package-summary \"View this page in Kotlin\") \\|Java\n\n\nContains classes for the system storage service, which manages binary asset filesystems\nknown as Opaque Binary Blobs (OBBs).\n\nClasses\n-------\n\n|------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|\n| [OnObbStateChangeListener](/reference/android/os/storage/OnObbStateChangeListener) | Used for receiving notifications from [StorageManager](/reference/android/os/storage/StorageManager) about OBB file states. |\n| [StorageManager](/reference/android/os/storage/StorageManager) | StorageManager is the interface to the systems storage service. |\n| [StorageManager.StorageVolumeCallback](/reference/android/os/storage/StorageManager.StorageVolumeCallback) | Callback that delivers [StorageVolume](/reference/android/os/storage/StorageVolume) related events. |\n| [StorageVolume](/reference/android/os/storage/StorageVolume) | Information about a shared/external storage volume for a specific user. |\n\n-\n\n Classes\n -------\n\n - [OnObbStateChangeListener](/reference/android/os/storage/OnObbStateChangeListener)\n - [StorageManager](/reference/android/os/storage/StorageManager)\n - [StorageManager.StorageVolumeCallback](/reference/android/os/storage/StorageManager.StorageVolumeCallback)\n - [StorageVolume](/reference/android/os/storage/StorageVolume)"]]
