android pdf api

android os L (api level 21) 부터 지원하는 pdf document rendering 클래스

 // create a new renderer

 PdfRenderer renderer = new PdfRenderer(getSeekableFileDescriptor());

 // let us just render all pages

 final int pageCount = renderer.getPageCount();

 for (int i = 0; i < pageCount; i++) {

     Page page = renderer.openPage(i);

     // say we render for showing on the screen

     page.render(mBitmap, null, null, Page.RENDER_MODE_FOR_DISPLAY);

     // do stuff with the bitmap

     // close the page

     page.close();

 }

 // close the renderer

 renderer.close();

sample project download
https://developer.android.com/samples/PdfRendererBasic/index.html