Your Second Flutter App

Nov 30 2021 · Dart 2.13, Flutter 2.2.3, Visual Studio Code

Part 3: Navigate & Animate

19. Complete the Course Details Page

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Previous episode: 18. Create a Custom Image Widget Next episode: 20. Challenge: Add a Filter Screen

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The course detail page consists of three sections: a banner at the top with the course image, a main section with the course title and description, and then a section with some course details.

extension StringExtension on String {
}

  String capitalize() {
    return '${this[0].toUpperCase()}${substring(1)}';
  }

import '../course_detail/image_container.dart';
import '../../utils/string_extensions.dart';

  Widget _buildBanner() {
    return ImageContainer(
      height: 200,
      url: course.artworkUrl,
    );
  }

  Widget _buildMain(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(8.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: <Widget>[
          Text(
            course.name,
            style:
                Theme.of(context).textTheme.subtitle2?.copyWith(fontSize: 24),
          ),
          Text(
            course.description,
            style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w300),
          ),
        ],
      ),
    );
  }

 Widget _buildDetails(BuildContext context) {
    const style = TextStyle(fontSize: 16);

    return Padding(
      padding: const EdgeInsets.only(left: 10),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.start,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: <Widget>[
          Text(
            'Domain(s): ${course.domainsString}',
            style: style,
          ),
          Text(
            'Level: ${course.difficulty.capitalize()}',
            style: style,
          ),
          Padding(
            padding: const EdgeInsets.only(top: 8.0),
            child: Text(
              '${course.contributors}',
              style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
          ),
        ],
      ),
    );
  }

      body: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: <Widget>[
          _buildBanner(),
          _buildMain(context),
          _buildDetails(context),
        ],
      ),