VideoView.kt

import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.widget.MediaController
import androidx.appcompat.app.AppCompatActivity
import ***your.package***.databinding.ActivityFullScreenVideoBinding
import kotlinx.android.synthetic.main.activity_full_screen_video.*

class FullScreenVideoActivity : AppCompatActivity() {

    companion object {
        fun newIntent(context: Context, url: String): Intent {
            val intent = Intent(context, FullScreenVideoActivity::class.java)
            intent.putExtra("EXTRA_URL", url)
            return intent
        }

        var currentTimeMSec = 0
    }
    
    private lateinit var binding: ActivityFullScreenVideoBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityFullScreenVideoBinding.inflate(layoutInflater)
        setContentView(binding.root)

        val url = intent.getStringExtra("EXTRA_URL")
        binding.videoView.setVideoPath(url)

        val mediaController = MediaController(this)
        binding.videoView.setMediaController(mediaController)
        binding.videoView.setOnPreparedListener { it.seekTo(currentTimeMSec) }
        binding.videoView.start()
    }

    override fun onBackPressed() {
        super.onBackPressed()
        currentTimeMSec = video_view.currentPosition
    }
}