在 Android 上使用 PdfRenderer 来渲染Pdf的 Android 代码

Android PdfRendererBasic Sample This sample demonstrates how to display PDF document on screen using the PdfRenderer introduced in Android 5.0 Lollipop. Introduction You can now render PDF document pages into bitmap images for printing by using the new PdfRenderer class. You must specify a ParcelFileDescriptor that is seekable (that is, the content can be randomly accessed) on which the system writes the the printable content. Your app can obtain a page for rendering with openPage(), then call r