在sd card中保存 image, audio和 video

Question

如何在sd card中保存文件，在camera 类中创建了一个图片，然后创建一个新的目录来保存它。它创建了文件夹，但这个图片为什么不在文件夹中？if (items[which].equals("Picture")) {                             Intent cameraIntent = new Intent(                                     MediaStore.ACTION_IMAGE_CAPTURE);                             startActivityForResult(cameraIntent,                                     PICTURE_ACTIVITY);                             File imagesFolder = new File(Environment                                     .getExternalStorageDirectory(),                                     "SeccyPhotos");                             imagesFolder.mkdirs(); // <----                             File image = new File(imagesFolder, "image_001.jpg");                             Uri uriSavedImage = Uri.fromFile(image);                             cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT,                                     uriSavedImage);                         }我调用了camera类，这样的话之后拍摄的照片就应该保存在文件夹中。请问下：视频和照相机相同吗？Intent cameraIntent = new Intent(                                 MediaStore.ACTION_VIDEO_CAPTURE);                         startActivityForResult(cameraIntent,                                 PICTURE_ACTIVITY);                         File videosFolder = new File(Environment                                 .getExternalStorageDirectory(),                                 "cangryVideos");                         videosFolder.mkdirs(); // <----                         File video = new File(videosFolder, "Video_001.3gp");                         Uri uriSavedvideo = Uri.fromFile(video);                         cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT,                                 uriSavedvideo);                         startActivityForResult(cameraIntent,                                 PICTURE_ACTIVITY);