public void OnDeviceSelected(int index)
{
// Stop and destroy the current stream.
if (_stream != null)
{
_stream.Dispose();
_stream = null;
}
// Reset the UI elements.
_channelList.ClearOptions();
_channelList.RefreshShownValue();
_statusText.text = "";
// Break if the null device option was selected.
if (_deviceList.value == 0)
{
return;
}
// Open a new stream.
try
{
_stream = DeviceDriver.OpenInputStream(_deviceList.value - 1);
}
catch (System.InvalidOperationException e)
{
_statusText.text = $"Error: {e.Message}";
return;
}
// Construct the channel list.
_channelList.options =
Enumerable.Range(0, _stream.ChannelCount).
Select(i => $"Channel {i + 1}").
Select(text => new Dropdown.OptionData()
{
text = text
}).
ToList();
_channelList.RefreshShownValue();
}
