How to Add Navigation Drawer and Bottom navigation.

[Mukesh Bharadwaj]

Hello, 

I am working on app and recently encountered a problem. I want to add drawer and bottom navigation bar but they both overlap eachother. Here is the description i raised on stackoverflow.

https://stackoverflow.com/questions/63882656/flutter-drawer-overlaps-the-bottom-navigation-bar

please help or i have to quit flutter.