相关疑难解决方法(0)

fun createListItem(itemIndex: Int) {
Padding(left = 8.dp, right = 8.dp, top = 8.dp, bottom = 8.dp) {
    FlexRow(crossAxisAlignment = CrossAxisAlignment.Center) {
        expanded(1.0f) {
            Text("Item $itemIndex")
        }
        inflexible {
            Button(
                "Button $itemIndex",
                style = ContainedButtonStyle(),
                onClick = {
                    Toast.makeText(
                        this@MainActivity,
                        "Item name $itemIndex",
                        Toast.LENGTH_SHORT
                    ).show()
                })

        }
    }
  }
}

我尝试以正常方式制作 Toast。但我得到了错误我尝试了很多倍数来源但失败了。