protected void onCreate()

in DownloadableFonts/app/src/main/java/com/example/android/downloadablefonts/MainActivity.java [65:124]
53 lines of code
3 McCabe index (conditional complexity)

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initializeSeekBars();
        mFamilyNameSet = new ArraySet<>();
        mFamilyNameSet.addAll(Arrays.asList(getResources().getStringArray(R.array.family_names)));

        mDownloadableFontTextView = findViewById(R.id.textview);
        ArrayAdapter<String> adapter = new ArrayAdapter<>(this,
                android.R.layout.simple_dropdown_item_1line,
                getResources().getStringArray(R.array.family_names));
        final TextInputLayout familyNameInput = findViewById(R.id.auto_complete_family_name_input);
        final AutoCompleteTextView autoCompleteFamilyName = findViewById(
                R.id.auto_complete_family_name);
        autoCompleteFamilyName.setAdapter(adapter);
        autoCompleteFamilyName.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int start, int count,
                    int after) {
                // No op
            }

            @Override
            public void onTextChanged(CharSequence charSequence, int start, int count, int after) {
                if (isValidFamilyName(charSequence.toString())) {
                    familyNameInput.setErrorEnabled(false);
                    familyNameInput.setError("");
                } else {
                    familyNameInput.setErrorEnabled(true);
                    familyNameInput.setError(getString(R.string.invalid_family_name));
                }
            }

            @Override
            public void afterTextChanged(Editable editable) {
                // No op
            }
        });

        mRequestDownloadButton = findViewById(R.id.button_request);
        mRequestDownloadButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String familyName = autoCompleteFamilyName.getText().toString();
                if (!isValidFamilyName(familyName)) {
                    familyNameInput.setErrorEnabled(true);
                    familyNameInput.setError(getString(R.string.invalid_family_name));
                    Toast.makeText(
                            MainActivity.this,
                            R.string.invalid_input,
                            Toast.LENGTH_SHORT).show();
                    return;
                }
                requestDownload(familyName);
                mRequestDownloadButton.setEnabled(false);
            }
        });
        mBestEffort = findViewById(R.id.checkbox_best_effort);
    }