play method

void play()

Implementation

void play() {
  if (_totalDuration <= 0) {
    return;
  }
  _isPaused = false;
  if (_isFinished || _isIdle) {
    _rewind();
    _startTime = null;
  }
  _finishedFlag = false;
  _isIdle = false;
  _ensureAlive();
}