AlertDialog写法

代码

• 代码

​​AlertDialogActivity:​​

class AlertDialogActivity : AppCompatActivity() {

    private lateinit var alertdialogBinding: ActivityAlertdialogBinding
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        alertdialogBinding = ActivityAlertdialogBinding.inflate(layoutInflater)
        setContentView(alertdialogBinding.root)

        alertdialogBinding.alertdialogBtn.setOnClickListener {
            AlertDialog.Builder(this).apply {
                setTitle("This is a Dialog")
                setMessage("Something important")
                setCancelable(false)
                setPositiveButton("OK") { dialog, which ->
                }
                setNegativeButton("Cancel") { dialog, which ->
                }
                show()
            }
        }
    }
}

效果: