Flutter for Beginners

Custom input widget example

Later, in Chapter 8, Firebase Plugins, we will see how to add authentication to our app. For now, we will be creating a custom widget that will be similar to the one used in that step. The authentication will be based on the Firebase auth services which uses a phone number; the phone number provided receives a six-digits verification code that must match the server value in order to successfully log in. For now, that's all the information we need to know for the creation of the custom input widget. This is what it's going to look like:

The widget will be a simple six-digit input widget, which will later become a ...