# DumpableMp4Box

Artifact: [androidx.media3:media3-test-utils](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/test/utils/DumpableMp4Box.java+class:androidx.media3.test.utils.DumpableMp4Box)

*** ** * ** ***


```
@UnstableApi
public final class DumpableMp4Box implements Dumper.Dumpable
```

<br />

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Wraps an Mp4 box to allow dumping it.

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/media3/test/utils/DumpableMp4Box#DumpableMp4Box(java.nio.ByteBuffer)(https://developer.android.com/reference/java/nio/ByteBuffer.html box)` \* Creates an instance. |

| ### Public methods |
|---|---|
| `void` | `https://developer.android.com/reference/androidx/media3/test/utils/DumpableMp4Box#dump(androidx.media3.test.utils.Dumper)(https://developer.android.com/reference/androidx/media3/test/utils/Dumper dumper)` Dumps the fields of the object using the `dumper`. |

## Public constructors

### DumpableMp4Box

```
public DumpableMp4Box(ByteBuffer box)
```

\* Creates an instance.

| Parameters |
|---|---|
| `https://developer.android.com/reference/java/nio/ByteBuffer.html box` | The Mp4 box to wrap. |

## Public methods

### dump

```
public void dump(Dumper dumper)
```

Dumps the fields of the object using the `dumper`.

| Parameters |
|---|---|
| `https://developer.android.com/reference/androidx/media3/test/utils/Dumper dumper` | The `https://developer.android.com/reference/androidx/media3/test/utils/Dumper` to be used to dump fields. |