App Inventor

Agenda

• What is App Inventor?
• Hello World!!!
• Paint

What is App Inventor?

App Inventor lets you develop applications for Android phones using a web browser and either the connected phone or emulator. The App Inventor servers store your work and help you keep track of your projects.

More information: https://appinventor.mit.edu/explore/content/what-app-inventor.html

Go to:

http://ai2.appinventor.mit.edu/

Login with your gmail account

Start to program have fun

Hello World!!!

Create Project

Add visual elements

Change label and button text

Add logic

Run it in your phone

Paint

Create Paint app

Add first elements

Add second elements

Add third elements

Add invisible elements

Rename color buttons

Rename button take photo

Create global variable

Add support to draw Circles

Finish support to draw circles

First part draw lines

Second part draw lines

Rename buttons

Logic for red color

Logic for other buttons

Logic for slider

Take photo

Place photo as background

Clean screen

Run it

UI

Code