我正在try 设置文本字段的初始值.但是我不能在文本表单域中设置初始值.我得到了这个错误'initialValue == null || controller == null': is not true
.
代码:
Widget buildFirstName(BuildContext context) {
valueBuilder = valueBuild();
return TextFormField(
controller: firstNameController,
initialValue: valueBuilder,
decoration: InputDecoration(
hintText: "Enter Name",
fillColor: Colors.white,
hintStyle: TextStyle(
color: Color.fromRGBO(0, 0, 0, 1.0),
fontFamily: "SFProText-Regular"),
),
validator: validatingName,
);
}