Kotlin问题:类中的TimePickerDialog.OnTimeSetListener (输出:2个值，长整型和字符串)

import android.app.TimePickerDialog
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import java.util.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // 设置一个按钮来触发时间选择对话框
        val button = findViewById<Button>(R.id.button)
        button.setOnClickListener {
            showTimePickerDialog()
        }
    }

    private fun showTimePickerDialog() {
        val calendar = Calendar.getInstance()
        val hour = calendar.get(Calendar.HOUR_OF_DAY)
        val minute = calendar.get(Calendar.MINUTE)

        TimePickerDialog(this, { _, selectedHour, selectedMinute ->
            // 处理用户选择的时间
            val timeString = "$selectedHour:$selectedMinute"
            Toast.makeText(this, "Selected Time: $timeString", Toast.LENGTH_SHORT).show()
        }, hour, minute, true).show()
    }
}

import java.text.SimpleDateFormat
import java.util.*

val sdf = SimpleDateFormat("HH:mm", Locale.getDefault())
val timeString = sdf.format(Date(selectedHour.toLong() * 3600000 + selectedMinute.toLong() * 60000))
Toast.makeText(this, "Selected Time: $timeString", Toast.LENGTH_SHORT).show()

import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter

val zonedDateTime = ZonedDateTime.now().withHour(selectedHour).withMinute(selectedMinute)
val timeString = zonedDateTime.format(DateTimeFormatter.ofPattern("HH:mm"))
Toast.makeText(this, "Selected Time: $timeString", Toast.LENGTH_SHORT).show()