# androidx.window

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Kotlin \|[Java](https://developer.android.com/reference/androidx/window/package-summary "View this page in Java")

## Classes

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| `https://developer.android.com/reference/kotlin/androidx/window/WindowSdkExtensions` | This class provides information about the extension SDK versions for window features present on this device. |

## Objects

|---|---|
| `https://developer.android.com/reference/kotlin/androidx/window/WindowProperties` | Window-related `https://developer.android.com/reference/android/content/pm/PackageManager.Property.html` tags that can be defined in the app manifest file, `AndroidManifest.xml`. |

## Annotations

|---|---|
| `https://developer.android.com/reference/kotlin/androidx/window/RequiresWindowSdkExtension` | Denotes that the annotated element must only be used if `https://developer.android.com/reference/kotlin/androidx/window/WindowSdkExtensions#extensionVersion()` is greater than or equal to the given `https://developer.android.com/reference/kotlin/androidx/window/RequiresWindowSdkExtension#(kotlin.Int)`. |