Putting it all together

Now that we know how to use gesture events and input widgets to add user interaction to our app screens, it's time to increment our app with these functions. Let's revisit our screens to add some gestures and input validations to them.

Favors screen

The first screen of the app lists different favors and their statuses. Besides the listing, the only actions the user can do are as follows:

Favors screen (This is an image of the favors screen. The other (blurred out and overlapped) information is not important here.

1. Focus on the selected favor category section. This is already done for us by the DefaultTabController widget (there is a ListView widget that will handle swipe/scroll gestures...