This code @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        TextView textView = getView().findViewById(R.id.textView);
        String text = getString(R.string.login_text_button);
        SpannableString spanString = new SpannableString(text);
        int start = text.indexOf("Begin here!");
        int end = start + "Begin here!".length();
        spanString.setSpan(new ClickableSpan() {
            @Override
            public void onClick(View view) {
                Log.d("Debug", "Button clicked!!");
                // handle the click event here
                // open the create account view
                //TODO: THIS IS WHERE THE CODE GOES AFTER THE USER SELECTS "Begin here." (i.e. @+id/fragment_login_text_button_sign_up in fragment_login.xml).
            }
        }, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        textView.setText(spanString);
        textView.setMovementMethod(LinkMovementMethod.getInstance()); ...is not making this clickable... 
                <TextView
                    android:id="@+id/fragment_login_text_button_sign_up"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:gravity="center"
                    android:text="@string/login_text_button"
                    android:textColor="@android:color/white"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toBottomOf="@+id/linearLayout" />