How to read Pdf on Android without using third-party applications?

Question

I used Itext and Pdf library files to read Pdf files in java .. but in android I used Same library reading pdf files, but I can not display the file.

how to display pd ffile in emulator

File sdcard = Environment.getExternalStorageDirectory(); Log.v("Tag:","entered sdcard"); String input = "/sdcard/andr.pdf"; Log.v("Tag:","file recog"); // File file = new File(sdcard, input); try { // PdfWriter write = new PdfWriter(); PdfReader read = new PdfReader(input); Log.v("Tag","reading------------"+read.getPageN(9).toString()); // fl.addView((View)read); Log.v("Tag page",read.getPageN(5).getKeys().toString()); // PdfStream pdfd=new PdfStream(is, write); read.getCatalog(); Log.v("Catalog",read.getCatalog().toString()); Log.v("Tag:","pdf opened"); System.gc(); int n = read.getNumberOfPages(); Integer num=n; Log.v("Tag:",num.toString() ); Log.v("Tag:","got pages"); // int n1 = read.getFileLength(); // // Integer num1 = n1; // Log.v("tag", num1.toString()); for(int i=0;i <=1;i++){ // tv.setText((CharSequence) page); read.getPageSize(1); Log.v("tag", "page size"+read.getPageSize(1).toString()); Log.v("Tag:","got pages"); wv = new WebView(this); setContentView(wv); // wv.getSettings().setJavaScriptEnabled(true); // wv.loadUrl("/sdcard/andr.pdf"); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } 

Answer 1

Once you manipulate the PDF file, save it and see: How to make PDF in Android

Just return the body of the method from onClick to the response and call it when you finish writing the PDF.