Book Image

App Inventor 2 Essentials

Book Image

App Inventor 2 Essentials

Overview of this book

App Inventor 2 will take you on a journey of mobile app development. We begin by introducing you to the functionalities of App Inventor and giving you an idea about the types of apps you can develop using it. We walk you through the technical set up so you can take advantage of the interactive development environment (live testing). You will get hands-on, practical experience building three different apps using tutorials. Along the way, you will learn computer science principles as well as tips to help you prepare for the creative process of building an app from scratch. By the end of the journey, you will learn how to package an app and deploy it to app markets. App Inventor 2 Essentials prepares you to amass a resource of skills, knowledge and experience to become a mobile app developer
Table of Contents (15 chapters)
App Inventor 2 Essentials
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Viewing the guest list


Now that we have implemented the RSVP_Screen, we have a way for guests to send RSVPs and aggregate all the RSVPs from different guests into the Fusion Table. In any event organization app, it is helpful for others to be able to see a list of guests who have already RSVP'ed.

The purpose of the GuestList_Screen is just that—enabling all attendees (and the organizer) to see who else is coming to the event. To display information gathered in the Fusion Table, we will use a Label. In the Designer window, navigate to the GuestList_Screen. Just like in the RSVP_Screen, first drag a VerticalArragment to the top portion of the GuestList_Screen, above the HorizontalArrangement, which contains all the navigation buttons. Make the BackgroundColor property in VerticalArrangement to None. Also set both the Height and Width properties to Fill parent. Now drag a Label component into the VerticalArrangement. Rename the Label GuestListLabel. Change the BackgroundColor property of GuestListLabel...