Android : Return to previous fragment on back press

Question

I have implemented Navigation Drawer which is a subclass of Activity. I have many fragments in my application. My question goes here

Imagine there are 3 fragments :

Answer 1

You have to implement your own backstack implementation as explained here

Separate Back Stack for each tab in Android using Fragments

You can call the popFragments() whenever you click the back button in a fragment and call pushFragments() whenever you navigate from one Fragment to other.

in Short,

public void onBackPressed()
{
    FragmentManager fm = getActivity().getSupportFragmentManager();
    fm.popBackStack();
}