MainActivity

const val EXTRA_DOWNLOAD_STATUS ="download_Status"

class MainActivity : AppCompatActivity() {

    private val downloadReceiver = object : BroadcastReceiver(){
        override fun onReceive(p0: Context?, p1: Intent?) {
            Toast.makeText(this@MainActivity, "proses",Toast.LENGTH_SHORT).show()
            var selesai = p1?.getBooleanExtra(EXTRA_FINISH,false)
            var persenSelesai = p1?.getIntExtra(EXTRA_PERSEN,0)
            myProgerss.progress = persenSelesai!!
            if(selesai!!){
                Toast.makeText(this@MainActivity, "Selesai Download",Toast.LENGTH_SHORT).show()
            }
        }
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        val mDownloadService = Intent (this, MyDownloadService::class.java)
        startMyService.setOnClickListener {
            Toast.makeText(this@MainActivity, "Download Dimulai",Toast.LENGTH_SHORT).show()
            startService(mDownloadService)
        }
        stopMyService.setOnClickListener {
            stopService(mDownloadService)
        }
        val filterReceiver = IntentFilter(EXTRA_DOWNLOAD_STATUS)
        filterReceiver.setPriority(Integer.MAX_VALUE)
        registerReceiver(downloadReceiver,filterReceiver)
    }
    override fun onDestroy() {
        unregisterReceiver(downloadReceiver)
        super.onDestroy()
    }

}

private operator fun Int.invoke(maX_VALUE: Int) {
    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}