Package android.support.v4.util

Interface Summary

Interface	Description
Pools.Pool<T>	Interface for managing a pool of objects.

Class Summary

Class	Description
ArrayMap<K,V>	ArrayMap is a generic key->value mapping data structure that is designed to be more memory efficient than a traditional HashMap, this implementation is a version of the platform's {android.util.ArrayMap} that can be used on older versions of the platform.
AtomicFile	Static library support version of the framework's {android.util.AtomicFile}, a helper class for performing atomic operations on a file by creating a backup file until a write has successfully completed.
CircularArray<E>	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.
DebugUtils	Helper for accessing features in { android.util.DebugUtils} introduced after API level 4 in a backwards compatible fashion.
LogWriter	Helper for accessing features in {android.util.LogWriter} introduced after API level 4 in a backwards compatible fashion.
LongSparseArray<E>	SparseArray mapping longs to Objects, a version of the platform's {android.util.LongSparseArray} that can be used on older versions of the platform.
LruCache<K,V>	Static library version of {android.util.LruCache}.
Pair<F,S>	Container to ease passing around a tuple of two objects.
Pools	Helper class for crating pools of objects.
Pools.SimplePool<T>	Simple (non-synchronized) pool of objects.
Pools.SynchronizedPool<T>	Synchronized) pool of objects.
SimpleArrayMap<K,V>	Base implementation of ArrayMap that doesn't include any standard Java container API interoperability.
SparseArrayCompat<E>	A copy of the current platform (currently { android.os.Build.VERSION_CODES#KITKAT} version of { android.util.SparseArray}; provides a removeAt() method and other things.
TimeUtils	Helper for accessing features in {android.util.TimeUtils} introduced after API level 4 in a backwards compatible fashion.