fragment in android code example

Example 1: start fragment from activity

FragmentManager manager = getFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.container,YOUR_FRAGMENT_NAME,YOUR_FRAGMENT_STRING_TAG);
transaction.addToBackStack(null);
transaction.commit();

Example 2: fragment manager in android

Intent intent = new Intent(v.getContext(), Addbill.class);
        v.getContext().startActivity(intent);
        getActivity().finish();