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【Flutter】TextFieldにPlaceholderをセットする

Posted at 2025-10-16

やりたいこと

TextFieldにプレースホルダを設定したい。

edit_title_view.dart

TextFormField(
    controller: _titleController,
    onFieldSubmitted: (value){},
)

解決策

InputDecorationのhintTextに任意のテキストをセットすることでプレースホルダを表示出来る

edit_title_view.dart

TextFormField(
    controller: _titleController,
    decoration: InputDecoration(
      hintText: "",
    ),
    onFieldSubmitted: (value){},
)

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