Version 0.2 for the PECS2life Android app

Features:

• two databases: food cards in the 1st tab and in the slot area
• select the food cards by clicking them in the 1st tab
• add the selected cards to the slot area
• remove the selected cards from the 1st tab
• when the card is unselected, remove it from the slot area and add it to the 1st tab
• when the user is inactive in 15 seconds, send the selected cards to the teacher (mobile) device
• if no cards are selected, remind to select at least one card after 15 seconds of inactivity
  • when no cards are selected, also hide the slot area to show all the cards in the 1st tab
• when sending cards, give a notification about selected cards in the other device
• sending the cards works in both directions: both a pupil (tablet) and a teacher (mobile) device can select cards and send them to the other device

Updated the source code to the version 0.1.1

This is just a small fix for the source code.

Changes:

• licensed the project under the GNU General Public License v3.0
• added the reference notes to the readme
• added license comments to the code files that are from another projects

Version 0.1 for the PECS2life Android app

Features:

• Splash screen
• Different views and functionalities based on the device's screen size (mobile device = the teacher's device; tablet device = the pupil's device)
• Seven 3D models that are showed in the Augmented Reality Preview (in the food tab = the first tab)
• Help card for sending a help via Firebase Notification service
• Blurdialog (a dependency) for giving feedback when the notification is sent
• Music cards that can be removed by swiping in the music tab (= in the second tab)
• Removing music cards are syncronized between the devices (using Firebase Realtime Database)