Answers for "flutter textfield leading icon"

add a leading icon to text field in flutter

TextField(
//    ...,other fields
      decoration: InputDecoration(
        prefixIcon: prefixIcon??Icon(Icons.done),
      ),
    ),

text form field prefix icon

TextField(
//    ...,other fields
      decoration: InputDecoration(
        prefixIcon: prefixIcon??Icon(Icons.done),
      ),
    ),