| Value | Meaning |
|---|---|
| AKEY_STATE_UNKNOWN-1 | The key state is unknown or the requested key itself is not supported. |
| AKEY_STATE_UP0 | The key is up. |
| AKEY_STATE_DOWN1 | The key is down. |
| AKEY_STATE_VIRTUAL2 | The key is down but is a virtual key press that is being emulated by the system. |
Key states (may be returned by queries about the current state of a particular key code, scan code or switch).