{% setvar book_path %}/reference/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

Class Index

These are all the API classes. See all API packages.

A  C  L  S  

A

ArrayMap

ArrayMap is a generic key->value mapping data structure that is designed to be more memory efficient than a traditional java.util.HashMap, this implementation is a version of the platform's android.util.ArrayMap that can be used on older versions of the platform.

ArrayMapKt
ArraySet

ArraySet is a generic set data structure that is designed to be more memory efficient than a traditional HashSet.

ArraySetKt

C

CircularArray

CircularArray is a generic circular array data structure that provides O(1) random read, O(1) prepend and O(1) append.

CircularIntArray

CircularIntArray is a circular integer array data structure that provides O(1) random read, O(1) prepend and O(1) append.

L

LongSparseArray

SparseArray mapping longs to Objects.

LongSparseArrayKt
LruCache

Static library version of android.util.LruCache.

LruCacheKt

S

SimpleArrayMap

Base implementation of androidx.collection.ArrayMap that doesn't include any standard Java container API interoperability.

SparseArrayCompat

SparseArrays map integers to Objects.

SparseArrayKt