I am working on an onboarding screen where I want to have the onboarding in 3 steps, so using the

CodePudding user response：

Wrap your TextField and CustomButton (while it has ElevatedButton) with Expanded widget.

Step(
    title: const Text('Set your goal'),
    content: Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Expanded(
          child: const TextField(
            decoration: InputDecoration(
              hintText: 'Pages',
            ),
            keyboardType: TextInputType.number,
          ),
        ),
        const SizedBox(width: 10),
        Expanded(
            child: CustomButton(
                onPressed: () {}, text: 'Set Goal')),
      ],
    )),

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