PdfActivity.java 文件源码

private void openRenderer( )  {
    // In this sample, we read a PDF from the assets directory.
    File f = new File(uri.getPath());
    try {
        mFileDescriptor = ParcelFileDescriptor.open(f, ParcelFileDescriptor.MODE_READ_ONLY);
        mPdfRenderer = new PdfRenderer(mFileDescriptor);
        cnt=mPdfRenderer.getPageCount();
    } catch (Exception e) {
        log.e(e);
    }
}