如何将生成的二维码直接保存到图库中(不带SD卡，不在包名下)

implementation 'com.google.zxing:core:3.4.0'

import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Environment;
import android.provider.MediaStore;
import android.widget.Toast;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;

public class QRCodeUtils {
    public static void saveQRCodeToGallery(String content) {
        try {
            QRCodeWriter writer = new QRCodeWriter();
            BitMatrix bitMatrix = writer.encode(content, BarcodeFormat.QR_CODE, 512, 512);
            int width = bitMatrix.getWidth();
            int height = bitMatrix.getHeight();
            Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
            for (int x = 0; x < width; x++) {
                for (int y = 0; y < height; y++) {
                    bitmap.setPixel(x, y, bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE);
                }
            }

            // 保存到图库
            String fileName = "QRCode_" + System.currentTimeMillis() + ".jpg";
            File file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM), fileName);
            OutputStream outputStream = new FileOutputStream(file);
            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
            outputStream.flush();
            outputStream.close();

            // 更新图库
            MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), fileName, null);

            Toast.makeText(context, "二维码已保存到图库", Toast.LENGTH_SHORT).show();
        } catch (WriterException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

QRCodeUtils.saveQRCodeToGallery("https://www.example.com");