Recall & Review
beginner
What is a
TextField in Flutter?A
TextField is a widget that lets users enter text input in your app. It shows a box where users can type.Click to reveal answer
beginner
What does
TextEditingController do?It controls the text inside a
TextField. You can read, change, or listen to the text the user types.Click to reveal answer
beginner
How do you connect a
TextEditingController to a TextField?You pass the controller to the
controller property of the TextField. This links them together.Click to reveal answer
intermediate
Why should you dispose of a
TextEditingController?To free up resources and avoid memory leaks, you call
dispose() on the controller when the widget is removed.Click to reveal answer
intermediate
How can you listen for changes in a
TextField?Add a listener to the
TextEditingController using addListener(). It runs code whenever text changes.Click to reveal answer
Which property of
TextField links it to a TextEditingController?✗ Incorrect
The
controller property connects the TextEditingController to the TextField.What method should you call on a
TextEditingController when your widget is disposed?✗ Incorrect
You call
dispose() to clean up the controller and avoid memory leaks.How can you get the current text from a
TextEditingController?✗ Incorrect
The current text is stored in the
text property of the controller.Which widget lets users type text in Flutter?
✗ Incorrect
TextField is the widget for user text input.What happens if you don’t dispose a
TextEditingController?✗ Incorrect
Not disposing the controller can cause memory leaks because resources are not freed.
Explain how to use a
TextEditingController with a TextField in Flutter.Think about creating, linking, using, and cleaning up the controller.
You got /4 concepts.
Describe why managing the lifecycle of a
TextEditingController is important.Consider what happens if you forget to dispose.
You got /4 concepts.