Android kotlin每秒钟更新一次TextView

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        val rollButton: Button = findViewById(R.id.button1)
        var result: TextView = findViewById(R.id.textView)
        rollButton.setOnClickListener {
            for (i in 1..10){
                result.text = "${(1..6).random()}"
            Toast.makeText(this, "Dice Rolled!", Toast.LENGTH_SHORT).show()
}

  rollButton.setOnClickListener {
        CoroutineScope(Dispatchers.Main).launch {
                   //Disable button temporarily to prevent multiple clicks
                    it.isEnabled = false
                    for (i in 1..10) {
                        binding.textviewFirst.text = "${(1..6).random()}"
                        //One second delay before the next
                        delay(1000)
                       //If you want random delay - say 100ms to 1s
                       //delay((100L..1000L).random())
                    it.isEnabled = true
                    Toast.makeText(this@MainActivity, "Dice Rolled!", Toast.LENGTH_SHORT).show()
            }

    fun animateTextView(handler: Handler, textView: TextView, animate: Boolean = true) {
        val runnable: Runnable = object : Runnable {
            var randomNumber = 0
            override fun run() {
                randomNumber = (1..100).random()
                textView.text = "$randomNumber"
                handler.postDelayed(this, 500L)
        // animate == false -> end text updates

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Android kotlin每秒钟更新一次TextView

2 个回答