How to implement an application widget in React Native that could be displayed on top of all windows on Android?

Question

Android

The bottom line is this - using React Native, an application is created to calculate the distance traveled. If the counter is running, then if the application is minimized or even completely closed, the indicator of the distance traveled should still remain on top, when clicked on which the application should open again.
How to implement it?

Answer 1

I think that what you want to implement is done at the native level of android. Google How to show an icon in the status bar when application is running.