The Ultimate Guide to Text Fields in Flutter

The Ultimate Guide to Text Fields in Flutter

Learn how to implement and control Flutter's wide variety of text field customization options in this ultimate guide. In Flutter, there are two types of text field widgets that we can use to get user input. One is TextField and the other one is TextFormField, a slightly more advanced version of TextField. TextFormField provides more functionalities than TextField, such as build form validation and the ability to set initial text value directly.

Learn how to implement and control Flutter's wide variety of text field customization options in this ultimate guide.

Most modern applications require some type of input from a user. Whether it be a signup, login, or feedback form, learning how to implement a text field is an important skill to master as a developer.

In Flutter, there are two types of text field widgets that we can use to get user input. One is TextField and the other one is TextFormField, a slightly more advanced version of TextFieldTextFormField provides more functionalities than TextField, such as build form validation and the ability to set initial text value directly.

If your text field requires only one or two inputs from the user, I suggest using the TextField widget. Otherwise if you want to create a larger form with multiple input fields and validation, it’s better to go with the TextFormField widget.

  • Creating a basic TextField
  • Creating a basic TextFormField
  • Styling a text field
  • Changing text color
  • Adding hint text
  • Adding multi-line support
  • Reading input value
  • Pre-populating text
  • Changing keyboards based on input type
  • Converting a normal text field to a password field
  • Restricting the number of characters
  • Restricting and allowing input values
  • Validating input with error messages
    • Input validation error messages in TextField
    • Input validation error messages in TextFormField

flutter

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