Question

我无法理解如何将文件保存到SD卡。对于我的相机类，我拍摄一张照片，而不是创建一个新目录来保存它。它创建了文件夹，但图像不在文件夹中？请帮忙。

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);
                        }

我拍摄相机然后拍照后它应保存到文件夹中。

编辑：视频会和相机一样吗？

        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);

Answer 1

在将图像文件URI设置为startActivityForResult(cameraIntent, PICTURE_ACTIVITY);之前，您正在调用cameraIntent。

您的代码应为：

if (items[which].equals("Picture")) {
   Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

   File imagesFolder = new File(Environment.getExternalStorageDirectory(),
        "SecExPhotos");
   imagesFolder.mkdirs(); // <----
   File image = new File(imagesFolder, "image_001.jpg");
   Uri uriSavedImage = Uri.fromFile(image);
   cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT,uriSavedImage);
   startActivityForResult(cameraIntent,PICTURE_ACTIVITY);
}

这可以解决您的问题。

将图像，音频和视频保存到SD卡

1 个答案: