How can cash register(dual screen) display difference content in 2 screens.

Question

How to show different content for two display?

Answer 1

Dual screen display API is a Android common API.

You can check the Android developer guide.

https://developer.android.google.cn/reference/android/app/Presentation

This is Android official SDK,you can also check this.

Also we have a demo and source code for you reference.

https://mega.nz/file/argHTQxK#vSDNQUGA9RKe_HnrUo8DWRDDMOU-gxAgNb3HJHksdyQ

It is also fit for other cash register like C1,C2,C8 etc.