Pass data/bundle using navigateUp in Android Navigation Component

Question

I found the question but does not have solution in code

I want to have data when backpress/manual back happens. I am using navigateUp() to go back. How

Answer 1

You should use static variables/companion objects, because it is better than shared viewmodel as it is not simple/nice architecture. As it it not straightforward, I think it is the best way.

To navigateUp From FragmentB to FragmentA

FragmentB:

isBackpressed = true
findNavController().navigateUp() 

FragmentA:

onViewCreated() {
    // todo
    if(isBackpressed) {
         isBackpressed = false
         // do whatever you want
    }
}