ThreadBlockingActivity.kt

class ThreadBlockingActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_thread_blocking)
      
        GlobalScope.launch(Dispatchers.Main){
            Toast.makeText(applicationContext,"10 Saniyelik geri sayım başladı.",Toast.LENGTH_SHORT).show()
            delay(10000)
            tv_thread.text = "10 Saniye sonra değişti."
        }
    }
}