@Override
			public void run() {
				if (mVideoStream != null) {
					try {
						mVideoStream.toggleFlash();
					} catch (RuntimeException e) {
						postError(ERROR_CAMERA_HAS_NO_FLASH, STREAM_VIDEO, e);
					}
				}
			}
Toggles the LED of the phone if it has one.
You can get the current state of the flash with 
{@link Session#getVideoTrack()} and {@link VideoStream#getFlashState()}.
src/net/majorkernelpanic/streaming/Session.java