I use white color on status bar but i also use block for that (Set status bar light color to true) after testing on companion it is working fine but after intalling app in my mobile (Android 9) it is again not showing icons for battery indicator and network signals.
The thing is when you set the status bar light icon to true, some devices are showing dark icons (I mean acting reverse), some of them are showing light icons. I think it is depends on phone.
But you can revert it always by using these blocks:
If you wish you use the temporary solution provided by @yusufcihan for now. OR you can wait till there is any proper way or solution. Patience is expected here from your side
I didn’t say anything about changing the design. I just said you can add a dark theme to your app by just reverting the colors. If you do that, status bar background will be black so you will able to see white icons.