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;
}