图片的exif信息

 try {
            ExifInterface exifInterface=new ExifInterface("/sdcard/1.jpg");
            String width = exifInterface.getAttribute(ExifInterface.TAG_IMAGE_WIDTH);
            String length = exifInterface.getAttribute(ExifInterface.TAG_IMAGE_LENGTH);
            System.out.println(width);
            System.out.println(length);
        } catch (IOException e) {
            e.printStackTrace();
        }