build method

Implementation

@override
Widget build(BuildContext context, ColorBuilder model) => AlertDialog(
  title: const Text("Pick a color"),
  actions: [
    TextButton(
      child: const Text("Cancel"),
      onPressed: () => Navigator.of(context).pop(),
    ),
    ElevatedButton(
      onPressed: () async {
        final result = await model.setColor();
        if (result && context.mounted) Navigator.of(context).pop();
      },
      child: const Text("Save"),
    ),
  ],
  content: Column(
    mainAxisSize: MainAxisSize.min,
    children: [
      SegmentedButton(
        style: SegmentedButton.styleFrom(
          selectedBackgroundColor: Colors.transparent,
        ),
        onSelectionChanged: model.updateColor,
        emptySelectionAllowed: true,
        selected: {model.color},
        segments: [
          ButtonSegment(
            value: ProtoColor.RED,
            icon: Container(
              height: 48,
              width: 48,
              margin: const EdgeInsets.all(8),
              color: Colors.red,
            ),
            label: const Text("Red"),
          ),
          ButtonSegment(
            value: ProtoColor.GREEN,
            icon: Container(
              height: 48,
              width: 48,
              margin: const EdgeInsets.all(8),
              color: Colors.green,
            ),
            label: const Text("Green"),
          ),
          ButtonSegment(
            value: ProtoColor.BLUE,
            icon: Container(
              height: 48,
              width: 48,
              margin: const EdgeInsets.all(8),
              color: Colors.blue,
            ),
            label: const Text("Blue"),
          ),
        ],
      ),
      const SizedBox(height: 16),
      CheckboxListTile(
        value: model.blink,
        onChanged: model.updateBlink,
        title: const Text("Blink"),
      ),
    ],
  ),
);