In Android Studio, how do you switch a fragment to another fragment using java code

Question

On activity_main I have btnToggle and a fragment_text .

I want to switch fragment_text to fragment_image when the user taps btnToggle .

private void btnToggle_OnClick() {
    //what goes here?
}

Answer 1

First add fragment dynamically and then replace like below:-

FragmentTransaction ft = getActivity().getFragmentManager().beginTransaction();
SectionDescriptionFragment bdf = new SectionDescriptionFragment();
ft.replace(R.id.book_description_fragment, bdf);
ft.commit();