public void onViewCreated()

in auth/app/src/main/java/com/google/firebase/quickstart/auth/java/MultiFactorSignInFragment.java [55:103]
43 lines of code
4 McCabe index (conditional complexity)

    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (savedInstanceState != null) {
            onViewStateRestored(savedInstanceState);
        }

        List<Button> phoneFactorButtonList = new ArrayList<>();
        phoneFactorButtonList.add(mBinding.phoneFactor1);
        phoneFactorButtonList.add(mBinding.phoneFactor2);
        phoneFactorButtonList.add(mBinding.phoneFactor3);
        phoneFactorButtonList.add(mBinding.phoneFactor4);
        phoneFactorButtonList.add(mBinding.phoneFactor5);

        for (Button button : phoneFactorButtonList) {
            button.setVisibility(View.GONE);
        }

        mBinding.finishMfaSignIn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onClickFinishSignIn();
            }
        });

        mMultiFactorResolver = getResolverFromArguments(requireArguments());
        List<MultiFactorInfo> multiFactorInfoList = mMultiFactorResolver.getHints();

        for (int i = 0; i < multiFactorInfoList.size(); ++i) {
            PhoneMultiFactorInfo phoneMultiFactorInfo = (PhoneMultiFactorInfo) multiFactorInfoList.get(i);
            Button button = phoneFactorButtonList.get(i);
            button.setVisibility(View.VISIBLE);
            button.setText(phoneMultiFactorInfo.getPhoneNumber());
            button.setClickable(true);
            button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    PhoneAuthProvider.verifyPhoneNumber(
                            PhoneAuthOptions.newBuilder()
                                    .setActivity(requireActivity())
                                    .setMultiFactorSession(mMultiFactorResolver.getSession())
                                    .setMultiFactorHint(phoneMultiFactorInfo)
                                    .setCallbacks(generateCallbacks())
                                    // A timeout of 0 disables SMS-auto-retrieval.
                                    .setTimeout(0L, TimeUnit.SECONDS)
                                    .build());
                }
            });
        }
    }