How to Enable User Role Control for Accessing the Settings Menu
Sometimes, the setting interface of the unattended terminal should be disabled by default. So we design this function.
To start this function, please install and run this apk. Enable user role.
When Admin is logged in, all Settings menus are available to customers even if this feature is enabled, and can only be controlled when Admin is logged out. So, on the production terminal, customer only need to install and run this application to enable it; On the development terminal, customer need to click the Settings>Operator logout to use this feature because the default administrator is already logged in in this mode of terminal.