Hands-On Design Patterns with React Native

Building forms

In this section, we will explore how we can handle text input from users. Traditional means of collecting input from so-called forms is divided into two major ways: controlled and uncontrolled. In a native environment, this means either handling any keypress on the React Native side (controlled input), or letting it be handled on the native system level and collecting data in React on demand (uncontrolled input).

If you come from a web development background, please note that, at the time of writing this book, there is no form component, and I don't see it coming. There are also limitations to refs and what you can do with them. For instance, you cannot ask a ref to a TextInput for its current value. Please follow the following ...