User experience checklist (translated)

User experience, that is, user operations, is an important issue in the design of the program. The following are some issues that need to be avoided or paid attention to during the design, for your reference during the design:
1. Quick checklist:
The following are some requirements that must be met in the program:
L consistent direction keys and soft keys in the UI
L the error and prompt information do not contain technical terms
L The application has help functions, including application introduction and operation methods
L users can easily cancel the operation, especially when the connection is involved.
L The interface contains the application name and version, supplier name, and contact information, which are consistent with the content in the jad file.
L errors are correctly handled, especially connection errors.
L application retains user design information
L The application correctly handles multiple tasks
L applications can work normally after being interrupted
L The application menu does not contain duplicate buttons
L each selectable item in the menu has its own action, and items that cannot be used cannot appear in the menu.
L The application has been tested on a real machine
L applications are tested by real end users, rather than developers.
2. Installation and Startup Checklist
L application installation is simple, easy to understand, and fast
L applications can be installed through OTA
L The application can be started in less than 10 seconds
L the progress bar is displayed when the application starts for a long time.
L application description in the JAD file is readable
L installation and testing on the real machine
L sounds work based on user selection