Qart for QR Code

Invalid date

version 1.7
1. add scan and detect QR function
2. change icon mode background corner

version 1.6
1. add user guide
2. add change color menu
3. fix minor issue

version 1.5
1. add GIF, Logo, Embeded, Normal mode
2. show input text default
3. fix select frame display issue

version 1.4
1. add runtime permission for Android M or above

version 1.3
1. prompt user to select proper color
2. fix missing xhdpi launcher icon

version 1.2
1. Add colorful mode
2. scan file after save QR image