# UseCaseGroup

Artifact: [androidx.camera:camera-core](https://developer.android.com/jetpack/androidx/releases/camera) [View Source](https://cs.android.com/search?q=file:androidx/camera/core/UseCaseGroup.java+class:androidx.camera.core.UseCaseGroup) Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

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```
public final class UseCaseGroup
```

<br />

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Represents a collection of `https://developer.android.com/reference/androidx/camera/core/UseCase`.

When the `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup` is bound to `https://developer.android.com/reference/androidx/lifecycle/Lifecycle`, it binds all the `https://developer.android.com/reference/androidx/camera/core/UseCase`s to the same `https://developer.android.com/reference/androidx/lifecycle/Lifecycle`. `https://developer.android.com/reference/androidx/camera/core/UseCase`s inside of a `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup` usually share some common properties like the FOV defined by `https://developer.android.com/reference/androidx/camera/core/ViewPort`.

## Summary

| ### Nested types |
|---|
| `public final class https://developer.android.com/reference/androidx/camera/core/UseCaseGroup.Builder` A builder for generating `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup`. |

| ### Public methods |
|---|---|
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/java/util/List.html<https://developer.android.com/reference/androidx/camera/core/CameraEffect>` | `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup#getEffects()()` Gets the `https://developer.android.com/reference/androidx/camera/core/CameraEffect`s. |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/NonNull.html https://developer.android.com/reference/java/util/List.html<https://developer.android.com/reference/androidx/camera/core/UseCase>` | `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup#getUseCases()()` Gets the `https://developer.android.com/reference/androidx/camera/core/UseCase`s. |
| `@https://jspecify.dev/docs/api/org/jspecify/annotations/Nullable.html https://developer.android.com/reference/androidx/camera/core/ViewPort` | `https://developer.android.com/reference/androidx/camera/core/UseCaseGroup#getViewPort()()` Gets the `https://developer.android.com/reference/androidx/camera/core/ViewPort` shared by the `https://developer.android.com/reference/androidx/camera/core/UseCase` collection. |

## Public methods

### getEffects

Added in [1.3.0](https://developer.android.com/jetpack/androidx/releases/camera#1.3.0)

```
public @NonNull List<CameraEffect> getEffects()
```

Gets the `https://developer.android.com/reference/androidx/camera/core/CameraEffect`s.

### getUseCases

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

```
public @NonNull List<UseCase> getUseCases()
```

Gets the `https://developer.android.com/reference/androidx/camera/core/UseCase`s.

### getViewPort

Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/camera#1.0.0)

```
public @Nullable ViewPort getViewPort()
```

Gets the `https://developer.android.com/reference/androidx/camera/core/ViewPort` shared by the `https://developer.android.com/reference/androidx/camera/core/UseCase` collection.