Android Prevent Screen Rotate / Configuration Change

<manifest ...>
    <application ...>
        <activity
            android:name=".view.QuoteMakerXActivity"
            android:label="@string/title_activity_quotemakerx"
            android:theme="@style/AppTheme.NoActionBar"
            android:screenOrientation="portrait">
    </application>
</manifest>

class QuoteMakerXActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {        AndroidInjection.inject(this)        super.onCreate(savedInstanceState)        setContentView(R.layout.quotemakerx)        setSupportActionBar(toolbar)        requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT    }}