No ui activity theme for the AppCompat

styles.xml

<!-- No ui for appcompat -->
  <style name="NoUiAppTheme"
      parent="Theme.AppCompat.Light.NoActionBar">
    <item name="android:windowBackground">@null</item>
    <item name="android:windowContentOverlay">@null</item>
    <item name="android:windowIsTranslucent">true</item>
    <item name="android:windowAnimationStyle">@null</item>
    <item name="android:windowDisablePreview">true</item>
    <item name="android:windowNoDisplay">true</item>
  </style>

and

@Override protected void onStart() {
        super.onStart();
        setVisible(true);
}

Thanks.

Be careful because this solution crashes on Android 6.0 and above: https://commonsware.com/blog/2015/11/02/psa-android-6p0-theme.nodisplay-regression.html