颤振步进器 如何将所选值显示为上一步的标题?

Question

我想在用户单击"继续"后将所选/输入的值显示为步骤的标题。我们该怎么做呢？

Answer 1

Step(
title: const Text('Name'),
isActive: true,
subtitle: Text(nameVar),
state: StepState.indexed,
content: new TextFormField(
focusNode: _focusNode,
keyboardType: TextInputType.text,
autocorrect: false,
onChanged: (String value) {
setState(() {
nameVar = value;
});
},
maxLines: 1,
),
);

为我工作