# FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener

Artifact: [androidx.viewpager2:viewpager2](https://developer.android.com/jetpack/androidx/releases/viewpager2) [View Source](https://cs.android.com/search?q=file:androidx/viewpager2/adapter/FragmentStateAdapter.java+class:androidx.viewpager2.adapter.FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener) Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/viewpager2#1.1.0)

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```
public interface FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener
```

<br />

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Callback returned by `https://developer.android.com/reference/androidx/viewpager2/adapter/FragmentStateAdapter.FragmentTransactionCallback#onFragmentPreAdded(androidx.fragment.app.Fragment)`, `https://developer.android.com/reference/androidx/viewpager2/adapter/FragmentStateAdapter.FragmentTransactionCallback#onFragmentPreRemoved(androidx.fragment.app.Fragment)`, `https://developer.android.com/reference/androidx/viewpager2/adapter/FragmentStateAdapter.FragmentTransactionCallback#onFragmentMaxLifecyclePreUpdated(androidx.fragment.app.Fragment,androidx.lifecycle.Lifecycle.State)` called after the operation ends.

## Summary

| ### Public methods |
|---|---|
| `abstract void` | `https://developer.android.com/reference/androidx/viewpager2/adapter/FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener#onPost()()` Called after the operation is ends. |

## Public methods

### onPost

Added in [1.1.0](https://developer.android.com/jetpack/androidx/releases/viewpager2#1.1.0)

```
abstract void onPost()
```

Called after the operation is ends.