What is a TextEditingController in flutter?

To create a new TextEditingController , just call the constructor . You can call it without the parameter, which means the initial text is empty. Usually it’s stored as a state variable. Optionally you can also set the initial value by passing text parameter.14 Mar 2020

Display the current value of the text field.

Second, remember to dispose of the TextEditingController inside dispose() when it is no longer needed . This will ensure we discard any resources used by the object. There is no need to dispose of it while in use. Remember: the controller is not there to notify listeners of the changes inside the text input field.

A controller for an editable text field . Whenever the user modifies a text field with an associated TextEditingController, the text field updates value and the controller notifies its listeners. … A TextEditingController can also be used to provide an initial value for a text field.