Provides classes to read and discover specific device capabilities and infos.
| SYSTEM | The SYSTEM class provides access to system info. |
| SYSTEM.Version | The Version class contains strings and constants used for values
in the ACTION_DEVICE_INFO Intent. |
| BarcodeScannerType | The BarcodeScannerType enumeration lists barcode scanner types. |
| KeyboardType | The KeyboardType enumeration lists keyboard type codes. |
| WiFiType | The WiFiType enumeration lists Wi-Fi types. |