splash screen dialog with event

SplashScreenDialog.kt

package ***

import android.os.Bundle
import android.os.CountDownTimer
import android.os.Handler
import android.os.Looper
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.DialogFragment
import androidx.fragment.app.FragmentManager
import io.reactivex.functions.Consumer

/**
 * example:
 * <pre>
 *  ...
 *  initSplash()
 *  ...
 *
 *  override fun onResume() {
 *      super.onResume()
 *      RxBus.instance.post(SplashScreenDialog.EVENT_CLOSE_SPLASH)
 *  }

 *  fun initSplash(){
 *      SplashScreenDialog.init(supportFragmentManager)
 *      RxBus.instance.post(SplashScreenDialog.EVENT_OPEN_SPLASH)
 *  }
 * </pre>

 */
class SplashScreenDialog : DialogFragment() {
    companion object {
        val EVENT_OPEN_SPLASH = "EVENT_OPEN_SPLASH"
        val EVENT_CLOSE_SPLASH = "EVENT_CLOSE_SPLASH"

        fun init(fragmentManager: FragmentManager) {
            val instance = SplashScreenDialog()
            var minimumSplashTime = 3000L

            RxBus.instance.getEvent()?.subscribe(Consumer {
                when (it) {
                    EVENT_OPEN_SPLASH -> {
                        instance.isCancelable = false
                        instance.showNow(fragmentManager, fragmentManager.hashCode().toString())

                        // setup default minimum splash live
                        object : CountDownTimer(minimumSplashTime, minimumSplashTime) {
                            override fun onTick(millisUntilFinished: Long) {
                            }

                            override fun onFinish() {
                                minimumSplashTime = 0
                            }

                        }.start()
                    }

                    EVENT_CLOSE_SPLASH -> {
                        Handler(Looper.getMainLooper()).postDelayed({
                            instance.dismiss()
                        }, minimumSplashTime)
                    }
                }
            })
        }
    }

    override fun getTheme(): Int {
        return R.style.AppTheme_PopupAlertDialog
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return ViewSplashscreenBinding.inflate(inflater, container, false).root
    }
}