Andorid Studio - FullScreen nel file MainActivity.kt

FullScreen.kt

import android.content.res.Configuration
import android.view.WindowManager
//potrebbero esserci altri import

class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener {

override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        val toolbar: Toolbar = findViewById(R.id.toolbar)
        setSupportActionBar(toolbar)

        screenOrientation() //chiamata alla funzione screenOrientation in fase di creazione dell'activity
}
  
override fun onConfigurationChanged(newConfig: Configuration?) {
    super.onConfigurationChanged(newConfig)
    screenOrientation()
    }

    private fun screenOrientation() {
        if (resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE)
        {
            //Per abilitare il full screen:
            window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
            window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN)
        }
        else if (resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT)
        {
            //Per disabilitare il full screen:
            window.addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN)
            window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
        }
    }

}