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Last updated 2025-05-15 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.media3.datasource.cache\n================================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/androidx/media3/datasource/cache/package-summary \"View this page in Java\")\n\nInterfaces\n----------\n\n|-------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------|\n| [Cache](/reference/kotlin/androidx/media3/datasource/cache/Cache) | A cache that supports partial caching of resources. |\n| [Cache.Listener](/reference/kotlin/androidx/media3/datasource/cache/Cache.Listener) | Listener of [Cache](/reference/kotlin/androidx/media3/datasource/cache/Cache) events. |\n| [CacheDataSource.EventListener](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource.EventListener) | Listener of [CacheDataSource](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource) events. |\n| [CacheEvictor](/reference/kotlin/androidx/media3/datasource/cache/CacheEvictor) | Evicts data from a [Cache](/reference/kotlin/androidx/media3/datasource/cache/Cache). |\n| [CacheKeyFactory](/reference/kotlin/androidx/media3/datasource/cache/CacheKeyFactory) | Factory for cache keys. |\n| [CacheWriter.ProgressListener](/reference/kotlin/androidx/media3/datasource/cache/CacheWriter.ProgressListener) | Receives progress updates during cache operations. |\n| [ContentMetadata](/reference/kotlin/androidx/media3/datasource/cache/ContentMetadata) | Interface for an immutable snapshot of keyed metadata. |\n\nClasses\n-------\n\n|-------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [CacheDataSink](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSink) | Writes data into a cache. |\n| [CacheDataSink.Factory](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSink.Factory) | [DataSink.Factory](/reference/kotlin/androidx/media3/datasource/DataSink.Factory) for [CacheDataSink](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSink) instances. |\n| [CacheDataSource](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource) | A [DataSource](/reference/kotlin/androidx/media3/datasource/DataSource) that reads and writes a [Cache](/reference/kotlin/androidx/media3/datasource/cache/Cache). |\n| [CacheDataSource.Factory](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource.Factory) | [DataSource.Factory](/reference/kotlin/androidx/media3/datasource/DataSource.Factory) for [CacheDataSource](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource) instances. |\n| [CacheSpan](/reference/kotlin/androidx/media3/datasource/cache/CacheSpan) | Defines a span of data that may or may not be cached (as indicated by [isCached](/reference/kotlin/androidx/media3/datasource/cache/CacheSpan#isCached())). |\n| [CacheWriter](/reference/kotlin/androidx/media3/datasource/cache/CacheWriter) | Caching related utility methods. |\n| [ContentMetadataMutations](/reference/kotlin/androidx/media3/datasource/cache/ContentMetadataMutations) | Defines multiple mutations on metadata value which are applied atomically. |\n| [DefaultContentMetadata](/reference/kotlin/androidx/media3/datasource/cache/DefaultContentMetadata) | Default implementation of [ContentMetadata](/reference/kotlin/androidx/media3/datasource/cache/ContentMetadata). |\n| [LeastRecentlyUsedCacheEvictor](/reference/kotlin/androidx/media3/datasource/cache/LeastRecentlyUsedCacheEvictor) | Evicts least recently used cache files first. |\n| [NoOpCacheEvictor](/reference/kotlin/androidx/media3/datasource/cache/NoOpCacheEvictor) | Evictor that doesn't ever evict cache files. |\n| [SimpleCache](/reference/kotlin/androidx/media3/datasource/cache/SimpleCache) | A [Cache](/reference/kotlin/androidx/media3/datasource/cache/Cache) implementation that maintains an in-memory representation. |\n\nExceptions\n----------\n\n|---------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|\n| [Cache.CacheException](/reference/kotlin/androidx/media3/datasource/cache/Cache.CacheException) | Thrown when an error is encountered when writing data. |\n| [CacheDataSink.CacheDataSinkException](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSink.CacheDataSinkException) | Thrown when an [IOException](https://developer.android.com/reference/java/io/IOException.html) is encountered when writing data to the sink. |\n\nAnnotations\n-----------\n\n|-----------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------|\n| [CacheDataSource.CacheIgnoredReason](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource.CacheIgnoredReason) | Reasons the cache may be ignored. |\n| [CacheDataSource.Flags](/reference/kotlin/androidx/media3/datasource/cache/CacheDataSource.Flags) | Flags controlling the CacheDataSource's behavior. |"]]
