Widget build()

in packages/animations/example/lib/main.dart [39:123]
83 lines of code
3 McCabe index (conditional complexity)

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Material Transitions')),
      body: Column(
        children: <Widget>[
          Expanded(
            child: ListView(
              children: <Widget>[
                _TransitionListTile(
                  title: 'Container transform',
                  subtitle: 'OpenContainer',
                  onTap: () {
                    Navigator.of(context).push(
                      MaterialPageRoute<void>(
                        builder: (BuildContext context) {
                          return const OpenContainerTransformDemo();
                        },
                      ),
                    );
                  },
                ),
                _TransitionListTile(
                  title: 'Shared axis',
                  subtitle: 'SharedAxisTransition',
                  onTap: () {
                    Navigator.of(context).push(
                      MaterialPageRoute<void>(
                        builder: (BuildContext context) {
                          return const SharedAxisTransitionDemo();
                        },
                      ),
                    );
                  },
                ),
                _TransitionListTile(
                  title: 'Fade through',
                  subtitle: 'FadeThroughTransition',
                  onTap: () {
                    Navigator.of(context).push(
                      MaterialPageRoute<void>(
                        builder: (BuildContext context) {
                          return const FadeThroughTransitionDemo();
                        },
                      ),
                    );
                  },
                ),
                _TransitionListTile(
                  title: 'Fade',
                  subtitle: 'FadeScaleTransition',
                  onTap: () {
                    Navigator.of(context).push(
                      MaterialPageRoute<void>(
                        builder: (BuildContext context) {
                          return const FadeScaleTransitionDemo();
                        },
                      ),
                    );
                  },
                ),
              ],
            ),
          ),
          const Divider(height: 0.0),
          SafeArea(
            child: SwitchListTile(
              value: _slowAnimations,
              onChanged: (bool value) async {
                setState(() {
                  _slowAnimations = value;
                });
                // Wait until the Switch is done animating before actually slowing
                // down time.
                if (_slowAnimations) {
                  await Future<void>.delayed(const Duration(milliseconds: 300));
                }
                timeDilation = _slowAnimations ? 20.0 : 1.0;
              },
              title: const Text('Slow animations'),
            ),
          ),
        ],
      ),
    );
  }