SplashScreenActivity.kt

package com.wildanfuady.sekolahku

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Handler
import kotlinx.android.synthetic.main.activity_splash_screen.*

class SplashScreenActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_splash_screen)
        supportActionBar?.hide()
        updateProgress()
    }

    private fun updateProgress(){
        var handler = Handler()
        var run = Runnable {
            var progress: Int = progressbar.progress
            progressbar.progress = progress + 10
            if(progress < 100)
            {
                updateProgress()
            }
            else {
                val intent = Intent(this, ListActivity::class.java)
                startActivity(intent)
                finish()
            }
        }
        handler.postDelayed(run,300)
    }

}