set text to text field flutter code example

Example 1: flutter text field

TextField(
  decoration: InputDecoration(
    border: InputBorder.none,
    hintText: 'Enter a search term'
  ),
);

Example 2: change text in text feild flutter

TextField(
      controller: txt,
    ),
    RaisedButton(onPressed: () {
        txt.text = "My Stringt";
    }),