Widget build()

in add_to_app/books/flutter_module_books/lib/main.dart [109:202]
89 lines of code
2 McCabe index (conditional complexity)

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Book Details'),
        leading: IconButton(
          icon: const Icon(Icons.clear),
          // Pressing clear cancels the edit and leaves the activity without
          // modification.
          onPressed: () {
            hostApi.cancel();
            clear();
          },
        ),
        actions: [
          IconButton(
            icon: const Icon(Icons.check),
            // Pressing save sends the updated book to the platform.
            onPressed: () {
              hostApi.finishEditingBook(book);
              clear();
            },
          ),
        ],
      ),
      body: book == null
          // Draw a spinner until the platform gives us the book to show details
          // for.
          ? const Center(child: CircularProgressIndicator())
          : Focus(
              focusNode: textFocusNode,
              child: ListView(
                padding: const EdgeInsets.all(24),
                children: [
                  TextField(
                    controller: titleTextController,
                    decoration: const InputDecoration(
                      border: OutlineInputBorder(),
                      filled: true,
                      hintText: "Title",
                      labelText: "Title",
                    ),
                  ),
                  const SizedBox(height: 24),
                  TextField(
                    controller: subtitleTextController,
                    maxLines: 2,
                    decoration: const InputDecoration(
                      border: OutlineInputBorder(),
                      filled: true,
                      hintText: "Subtitle",
                      labelText: "Subtitle",
                    ),
                  ),
                  const SizedBox(height: 24),
                  TextField(
                    controller: authorTextController,
                    decoration: const InputDecoration(
                      border: OutlineInputBorder(),
                      filled: true,
                      hintText: "Author",
                      labelText: "Author",
                    ),
                  ),
                  const SizedBox(height: 32),
                  const Divider(),
                  Center(
                    child: Padding(
                      padding: const EdgeInsets.all(8.0),
                      child: Text(
                          '${book.pageCount} pages  ~  published ${book.publishDate}'),
                    ),
                  ),
                  const Divider(),
                  const SizedBox(height: 32),
                  const Center(
                    child: Text(
                      'BOOK DESCRIPTION',
                      style: TextStyle(
                        fontSize: 15,
                        fontWeight: FontWeight.bold,
                        decoration: TextDecoration.underline,
                      ),
                    ),
                  ),
                  const SizedBox(height: 12),
                  Text(
                    book.summary,
                    style: TextStyle(color: Colors.grey.shade600, height: 1.24),
                  ),
                ],
              ),
            ),
    );
  }