问ImageView没有显示由PDFRenderer在Android 29上创建的位图图像

EN

        File file = new File(getExternalFilesDir(null), "fileName.pdf");
        PdfRenderer renderer = new PdfRenderer(ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY));
        if (currentPage < 0) {
            currentPage = 0;
        } else if (currentPage > renderer.getPageCount()) {
            currentPage = renderer.getPageCount() - 1;
        }
        Bitmap bitmap = Bitmap.createBitmap(800, 1000, Bitmap.Config.ARGB_8888);
        Rect rect = new Rect(0, 0, 800, 1000);
        PdfRenderer.Page page = renderer.openPage(currentPage);
        page.render(bitmap, rect, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY);
        page.close();
        renderer.close();
        image.setImageBitmap(bitmap);
        image.invalidate();