If you're building Flutter apps, you'll spend a lot of time working with user input.

Whether it's a login form, signup page, search bar, or profile screen, you'll almost always use a TextField .

Creating Your First TextField

The simplest TextField looks like this:

TextField ()

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Most apps add a placeholder to help users understand what information is expected.

TextField ( decoration: InputDecoration ( hintText: 'Enter your name' , ), )

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Reading User Input

You can listen for changes using the onChanged callback.

TextField ( onChanged: ( value ) { print ( value ); }, )

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Flutter will call this function every time the user types.

Getting Text Later

For forms, you'll usually want to access the value when the user taps a button.

That's where TextEditingController comes in.

final TextEditingController nameController = TextEditingController ();

TextField ( controller:…