# KeyFrameArray

Artifact: [androidx.constraintlayout:constraintlayout-core](https://developer.android.com/jetpack/androidx/releases/constraintlayout) [View Source](https://cs.android.com/search?q=file:androidx/constraintlayout/core/motion/utils/KeyFrameArray.java+class:androidx.constraintlayout.core.motion.utils.KeyFrameArray) Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

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```
public class KeyFrameArray
```

<br />

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## Summary

| ### Nested types |
|---|
| `public class https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/KeyFrameArray.CustomArray` |
| `public class https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/KeyFrameArray.CustomVar` |

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/KeyFrameArray#KeyFrameArray()()` |

## Public constructors

### KeyFrameArray

Added in 1.1.2

```
public KeyFrameArray()
```