Mobile Deep Learning with TensorFlow Lite, ML Kit and Flutter

Creating the Text Controller

First of all, let's create a StatefulWidget called ChatScreen in a new dart file called chat_screen.dart. Now, follow these steps:

1. Create a text box—TextField, in Flutter terms—that will allow the user to enter their input text. To create the TextField, we need to define createTextField():

Widget createTextField() {     return new Flexible(         child: new TextField(             decoration:             new InputDecoration.collapsed(hintText: "Enter your message"),             controller: _textController,             onSubmitted: _handleSubmitted,         ),     ); }

The onSubmitted property works as a callback for the text field to handle the text inputs when the user indicates that they are done entering the text into the text field. The property is triggered when the Enter ...