androidx.viewpager2.adapter

Kotlin |Java

Interfaces

`FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener`	Callback returned by `onFragmentPreAdded`, `onFragmentPreRemoved`, `onFragmentMaxLifecyclePreUpdated` called after the operation ends.
`StatefulAdapter`	`ViewPager2` adapters should implement this interface to be called during `onSaveInstanceState` and `onRestoreInstanceState`

Classes

`FragmentStateAdapter`	Similar in behavior to `FragmentStatePagerAdapter`
`FragmentStateAdapter.FragmentTransactionCallback`	Callback interface for listening to fragment lifecycle changes that happen inside the adapter.
`FragmentViewHolder`	`ViewHolder` implementation for handling `Fragment`s.

Annotations

FragmentStateAdapter.ExperimentalFragmentStateAdapterApi

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Last updated 2025-05-15 UTC.