In this video i will show how to open new fragment using Bottom navigation using android studio
here is code for open new fragment
wingFirstExercise wingFirstExercise = new wingFirstExercise();
getActivity().getSupportFragmentManager().beginTransaction()
.replace(R.id.fr, wingFirstExercise, "newframe")
.addToBackStack(null)
.commit();
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Git hub account
https://github.com/firebase55