isVideo function

Implementation

isVideo(String path) {
  // 定义常见的视频文件扩展名
  final List<String> videoExtensions = ['.mp4', '.avi', '.mov', '.wmv', '.flv', '.mkv', '.webm', '.m4v', '.3gp'];

  // 将路径转换为小写并检查是否以视频扩展名结尾
  for (String extension in videoExtensions) {
    if (path.toLowerCase().endsWith(extension)) {
      return true;
    }
  }
  return false;
}