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[英]Flutter/Dart :How to add validation to radio button like TextFormField?
[英]How to add hint in the TextFormField in Flutter?
您可以使用hintText和labelText 。
TextField(
decoration: InputDecoration(labelText: 'labelText'),
),
TextField(
decoration: InputDecoration(hintText: 'hintText'),
),
TextField(
decoration:
InputDecoration(hintText: 'both', labelText: 'both'),
),
TextFormField(
decoration: InputDecoration(
alignLabelWithHint: true,
labelText: "Your_Hint_and_Label"),
),
裝飾:InputDecoration(hintText:“你的提示”)
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