build method

Implementation

@override
Widget build(BuildContext context, TimerBuilder model) => AlertDialog(
  title: const Text("Start a timer"),
  content: Column(
    mainAxisSize: MainAxisSize.min,
    children: [
      SizedBox(
        height: 50,
        width: double.infinity,
        child: TextField(
          controller: model.nameController,
          onChanged: model.update,
          decoration: const InputDecoration(hintText: "Timer Name"),
        ),
      ),
      SizedBox(
        height: 50,
        width: double.infinity,
        child: TextField(
          onChanged: model.duration.update,
          decoration: const InputDecoration(hintText: "Number of Minutes"),
          inputFormatters: [FilteringTextInputFormatter.allow(RegExp(r"\d"))],
        ),
      ),
    ],
  ),
  actions: [
    TextButton(
      child: const Text("Cancel"),
      onPressed: () => Navigator.of(context).pop(),
    ),
    ElevatedButton(
      onPressed: model.isValid
          ? () {
              model.start();
              Navigator.of(context).pop();
            }
          : null,
      child: const Text("Save"),
    ),
  ],
);