Unable To Change The Header And Drawer Icon And Title In Toolbar In Android

I am trying to change the title and drawer icon of toolbar in navigation of one fragment Here is what I am trying to implement: DrawerItem1 -> HomeFragment -> CategoryFragmen

Solution 1:

You're still doing ManageFragments.replaceFragment((FragmentActivity) getContext(), subCategoryFragment); - you cannot do FragmentTransactions when you're using Navigation.

Replace that code with a call to navigate(R.id.nav_sub_category) to navigate to your SubCategoryFragment.