# How to detect dark mode


Inside your Composable you can use **isSystemInDarkTheme** to detect if the device is running in dark mode.

```kotlin
    val dark = isSystemInDarkTheme()
```

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## See also:
* [Official Docs](https://developer.android.com/reference/kotlin/androidx/compose/foundation/package-summary#issystemindarktheme)
* [Learn-Jetpack-Compose-By-Example/DarkModeActivity](https://github.com/vinaygaba/Learn-Jetpack-Compose-By-Example/blob/master/app/src/main/java/com/example/jetpackcompose/theme/DarkModeActivity.kt)