# Checkbox
```kotlin
@Composable
fun CheckBoxDemo() {
val checkedState = remember { mutableStateOf(true) }
Checkbox(
checked = checkedState.value,
onCheckedChange = { checkedState.value = it }
)
}
```
## See also:
* [Official Docs](https://developer.android.com/reference/kotlin/androidx/compose/material/package-summary#checkbox)
* [Full Example Code]({{ site.samplefolder }}/material/checkbox/CheckBoxDemo.kt)