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  • Book Overview & Buying App Inventor 2 Essentials
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App Inventor 2 Essentials

App Inventor 2 Essentials

By : Felicia Kamriani, Krishnendu Roy
4.2 (9)
Buy this Book
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App Inventor 2 Essentials

App Inventor 2 Essentials

4.2 (9)
By: Felicia Kamriani, Krishnendu Roy
Buy this Book

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 (10 chapters)
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Preface
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Preface
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What this book covers
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What you need to build mobile apps
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Unleashing Creativity with MIT App Inventor 2
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1. Unleashing Creativity with MIT App Inventor 2
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What is MIT App Inventor 2?
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MIT App Inventor – purpose and potential
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Summary
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2. Setting Up MIT App Inventor 2
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2. Setting Up MIT App Inventor 2
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The initial setup
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Connectivity setup
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Summary
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3. Navigating the App Inventor Platform
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3. Navigating the App Inventor Platform
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The projects view
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The Designer
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Creating a game app
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The Blocks editor
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Summary
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4. Fling App – Part 2
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4. Fling App – Part 2
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Adding a scoring feature
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Increasing difficulty
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Changing the game's dynamic
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Creating levels
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Updating the score label to display the level
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Updating the Reset button
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Updating the Play button
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Summary
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5. Building an Event App
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5. Building an Event App
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User Interface for an event app
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Setting the background image
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Adding an image component
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Adding buttons
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Adding the ActivityStarter
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Adding screens
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Programming the blocks
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Summary
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6. Introduction to Databases
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6. Introduction to Databases
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Creating a database
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Designing the RSVP screen
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Setting up Google Authentication
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Sharing the Fusion Table with the service account email
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Connecting the app to the Google Fusion Table
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Pushing data to the Fusion Table
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Ensuring empty rows are not inserted
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Viewing the guest list
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Coding the blocks – requesting data
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Coding the blocks – receiving data
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Sharing the Event App
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Summary
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7. Learning About Loops with a Raffle App
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7. Learning About Loops with a Raffle App
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Creating the project and building the GUI
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Summary
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8. Expanding Your Mobile App Development Skills
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8. Expanding Your Mobile App Development Skills
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Design principles
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App Inventor extras
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Distributing your app
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Summary
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Index
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Index

The Designer

When you open a project or start a new project, App Inventor will take you to the Designer. This window is a graphical editor where you can create the look and feel of your mobile app by choosing components (buttons, labels, images, and so on), layouts (horizontal/vertical alignments), colors, fonts, and more. The next screenshot is a layout of the Designer (with some helpful navigation hints):

The Designer

The name of the open project is displayed in the upper-left corner. In the upper-right corner, you will see toggle buttons for the Designer and Blocks Editor (the Designer button is disabled at the moment, since we are currently in the Designer view). The Designer consists of five panels, which are explained as follows.

Palette

The Palette (found in the left-hand column of the previous Designer image) contains drawers that hold sets of tools called Components. Drawers group Components by type such as User Interface, Layout, Media, Drawing and Animation, Sensors, Social, Storage, Connectivity...

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Tech Concepts
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Programming languages
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