protected void onCreate()

in dynamiclinks/app/src/main/java/com/google/firebase/quickstart/deeplinks/java/MainActivity.java [46:109]
40 lines of code
3 McCabe index (conditional complexity)

    protected void onCreate(Bundle savedInstanceState) {
        // [START_EXCLUDE]
        super.onCreate(savedInstanceState);
        ActivityMainBinding binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        TextView linkSendTextView = binding.linkViewSend;
        final TextView linkReceiveTextView = binding.linkViewReceive;

        // Validate that the developer has set the app code.
        validateAppCode();

        // Create a deep link and display it in the UI
        final Uri deepLink = buildDeepLink(Uri.parse(DEEP_LINK_URL), 0);
        linkSendTextView.setText(deepLink.toString());

        // Share button click listener
        binding.buttonShare.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                shareDeepLink(deepLink.toString());
            }
        });
        // [END_EXCLUDE]

        // [START get_deep_link]
        FirebaseDynamicLinks.getInstance()
                .getDynamicLink(getIntent())
                .addOnSuccessListener(this, new OnSuccessListener<PendingDynamicLinkData>() {
                    @Override
                    public void onSuccess(PendingDynamicLinkData pendingDynamicLinkData) {
                        // Get deep link from result (may be null if no link is found)
                        Uri deepLink = null;
                        if (pendingDynamicLinkData != null) {
                            deepLink = pendingDynamicLinkData.getLink();
                        }


                        // Handle the deep link. For example, open the linked
                        // content, or apply promotional credit to the user's
                        // account.
                        // ...

                        // [START_EXCLUDE]
                        // Display deep link in the UI
                        if (deepLink != null) {
                            Snackbar.make(findViewById(android.R.id.content),
                                    "Found deep link!", Snackbar.LENGTH_LONG).show();

                            linkReceiveTextView.setText(deepLink.toString());
                        } else {
                            Log.d(TAG, "getDynamicLink: no link found");
                        }
                        // [END_EXCLUDE]
                    }
                })
                .addOnFailureListener(this, new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception e) {
                        Log.w(TAG, "getDynamicLink:onFailure", e);
                    }
                });
        // [END get_deep_link]
    }