Denis3107

How to preview a ticket before printing

2

I found this example, can someone tell me how to do it 

Аfter installing the package, the apk size grew by 20 megabytes

2

I noticed that after installing the package flutter_compass, the size of the application apk has grown by 20 megabytes, tell me what is the reason and is there a solution...

Printing out of paper size

3

I use mm80 paper size, but text printing is not correct, everything works fine for printing Qr code.