How to hide status bar in android in just one activity

Question

I want to hide status bar / notification bar in splash screen I am using style:

Now in AndroidManifest.xml add newly created style:

 ...

Finally in MainActivity.kt make following changes:

override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //Add below line to hide status bar
        window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_FULLSCREEN
}

Now the status bar should be gone: