RPC
Introduction
This sample shows the data exchange between the frontend and backend of a device. After the offering and quantity are selected at the frontend, the backend calculates the result and displays it at the frontend.
Usage
- Touch the blank box of an offering type. The offering selection list is displayed. Select an offering. The corresponding content is displayed in the blank box.
- Touch + or - next to the offering selection box and select the quantity of the offering.
- Touch Confirm an order. The total price is displayed.
Constraints
This sample can only be run on standard-system devices.