fun createListItem(itemIndex: Int) {
Padding(left = 8.dp, right = 8.dp, top = 8.dp, bottom = 8.dp) {
FlexRow(crossAxisAlignment = CrossAxisAlignment.Center) {
I think your never show Toast normal way. Jetpack Compose uses a custom Kotlin compiler plugin to transform these composable functions into the app's UI elements. For example, the Text() function is defined by the Compose UI library. Jetpack Compose is in very early stages of development. You can see all repo of Jetpack compose with sample and integrations test check below link
https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/ui
For jetpack compose material demo check this link
https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/ui/ui-material/integration-tests/material-demos/src/main/java/androidx/ui/material/demos