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 () Enter fullscreen mode Exit fullscreen mode Most apps add a placeholder to help users understand what information is expected. TextField ( decoration: InputDecoration ( hintText: 'Enter your name' , ), ) Enter fullscreen mode Exit fullscreen mode Reading User Input You can listen for changes using the onChanged callback. TextField ( onChanged: ( value ) { print ( value ); }, ) Enter fullscreen mode Exit fullscreen mode 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.…