dispose static method
void
dispose()
Removes all registered callbacks from Keybinder and removes Keybinder's listener from the HardwareKeyboard instance.
Note: A new listener will be added to the HardwareKeyboard
instance if another Keybinding is register
ed.
Implementation
static void dispose() {
_keybindings.clear();
_hardwareKeyboard?.removeHandler(_listener);
_hardwareKeyboard = null;
}