This can be achieved by adding a controller to the TextField of type font-family: Consolas, "Courier New", monospace; font-size: 14px; white-space: pre-wrap; background-color: rgb(30, 30, 30); color: rgb(78, 201, 176);](TextEditingControllercolor: rgb(212, 212, 212); font-family: Consolas, "Courier New", monospace; font-size: 14px; white-space: pre-wrap; background-color: rgb(30, 30, 30);]( .
Here is how the output is going to look.
; background-color: rgb(30, 30, 30); font-family: Consolas, "Courier New", monospace; font-size: 14px; line-height: 19px; white-space: pre-wrap;](color: #569cd6;](import color: #ce9178;]('package:flutter/material.dart';
color: #569cd6;](void color: #dcdcaa;](main() => color: #dcdcaa;](runApp(color: #4ec9b0;](MyApp());
color: #569cd6;](class color: #4ec9b0;](MyApp color: #569cd6;](extends color: #4ec9b0;](StatelessWidget { color: #569cd6;](@override color: #4ec9b0;](Widget color: #dcdcaa;](build(color: #4ec9b0;](BuildContext context) { color: #c586c0;](return color: #4ec9b0;](MaterialApp( title: color: #ce9178;]('Flutter TextField Demo', theme: color: #4ec9b0;](ThemeData( primarySwatch: color: #4ec9b0;](Colors.blue, ), home: color: #4ec9b0;](MyHomePage(title: color: #ce9178;]('Flutter TextField Demo'), ); }}
color: #569cd6;](class color: #4ec9b0;](MyHomePage color: #569cd6;](extends color: #4ec9b0;](StatefulWidget { color: #4ec9b0;](MyHomePage({color: #4ec9b0;](Key key, color: #569cd6;](this.title}) : color: #569cd6;](super(key: key);
color: #569cd6;](final color: #4ec9b0;](String title;
color: #569cd6;](@override color: #4ec9b0;](_MyHomePageState color: #dcdcaa;](createState() => color: #4ec9b0;](_MyHomePageState();}
color: #569cd6;](class color: #4ec9b0;](_MyHomePageState color: #569cd6;](extends color: #4ec9b0;](State { color: #4ec9b0;](String _inputtext;
color: #4ec9b0;](TextEditingController inputtextField = color: #4ec9b0;](TextEditingController();
color: #569cd6;](void color: #dcdcaa;](_processText() { color: #dcdcaa;](setState(() { _inputtext = inputtextField.text; }); }
color: #569cd6;](@override color: #4ec9b0;](Widget color: #dcdcaa;](build(color: #4ec9b0;](BuildContext context) { color: #c586c0;](return color: #4ec9b0;](Scaffold( appBar: color: #4ec9b0;](AppBar( title: color: #4ec9b0;](Text(widget.title), ), body: color: #4ec9b0;](Center( child: color: #4ec9b0;](Column( mainAxisAlignment: color: #4ec9b0;](MainAxisAlignment.center, children: [ color: #4ec9b0;](Padding( padding: color: #569cd6;](const color: #4ec9b0;](EdgeInsets.color: #dcdcaa;](all(color: #b5cea8;](16.0), child: color: #4ec9b0;](TextField( controller: inputtextField, decoration: color: #4ec9b0;](InputDecoration( border: color: #4ec9b0;](OutlineInputBorder(), labelText: color: #ce9178;]('Enter some text' ), ), ), color: #4ec9b0;](Padding( padding: color: #569cd6;](const color: #4ec9b0;](EdgeInsets.color: #dcdcaa;](all(color: #b5cea8;](16.0), child: color: #4ec9b0;](Text( color: #ce9178;]('$color: #9cdcfe;](_inputtextcolor: #ce9178;](', style: color: #4ec9b0;](Theme.color: #dcdcaa;](of(context).textTheme.display1, ), ), color: #4ec9b0;](RaisedButton( onPressed: _processText, child: color: #4ec9b0;](Text(color: #ce9178;]('Process Text'), ) ], ), ), ); }}
Hope this is helpful to you.
Thanks,Srikanth