RichText(
  text: TextSpan(
    children: [
      TextSpan(
        text: 'Single tap',
        style: TextStyle(color: Colors.red[300]),
        recognizer: TapGestureRecognizer()..onTap = () {
          // Single tapped.
        },
      ),
      TextSpan(
        text: ' Double tap',
        style: TextStyle(color: Colors.green[300]),
        recognizer:  DoubleTapGestureRecognizer()..onDoubleTap = () {
          // Double tapped.
        }
      ),
      TextSpan(
        text: ' Long press',
        style: TextStyle(color: Colors.blue[300]),
        recognizer: LongPressGestureRecognizer()..onLongPress = () {
          // Long Pressed.
        },
      ),
    ],
  ),
)