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

1. 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.
2. Touch + or - next to the offering selection box and select the quantity of the offering.
3. Touch Confirm an order. The total price is displayed.

Constraints

This sample can only be run on standard-system devices.