How to remove top status bar black background
问题 I'd like to create a TRUE fullscreen activity, but there is always a black status bar on screen top. Android 9.0. I've tried almost all I can find with Google and existing Apps with similar jobs. Manifest, code, style, AS sample fullscreen activity, all were tried. styles.xml: <style name="AppThemeA" parent="@style/Theme.AppCompat.Light.NoActionBar"> <item name="android:statusBarColor">@android:color/transparent</item> <item name="android:windowNoTitle">true</item> <item name="android