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

Designing the RSVP screen


For our app, we are asking the invited guests to provide their names, the total number of guests, and the food or drink to share at the potluck. Once a guest presses the Send RSVP button, something magical will happen. We will push all the data from the app to the Fusion Table that we created.

Creating the GUI in the designer window

In Chapter 5, Building an Event App we created the RSVP_Screen and now we will build the GUI (Graphical User Interface) that the guests will use. Navigate to the RSVP screen in the Designer window. The screen is empty except for the background pool image and the navigation buttons that we added along the bottom.

Since you have already gained experience adding various components in the previous chapters, we are pretty confident about your abilities. Of course, we will help specify which components to use! The guest provides three pieces of data here: the name, the number of guests, and the item to bring. We will place all the components...