在onActivityResult内部,我调用MediaStore.Images.Thumbnails.getThumbnail来检索所选图像的缩略图版本。但是,由于某些原因,它返回null。val imageId = uriPath.get(uriPath.size-1)
val b = MediaStore.Images.Thumbnails.getThumbnail(contentResolver,imageId.toLong(),MediaStore.Images.Thumbnails.MINI_K