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POExample of code to implement a PDF reader
 

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    <p>I want to implement a PDF reader in the application that I am doing, I have found several APIs, but none of them were open source. </p> <p>Does any of you guys know a good free alternative?</p> <hr> <h2>Slight adaptation of <a href="https://stackoverflow.com/a/11153601/505893">Dipak Keshariya's solution</a> made by the OP</h2> <p><strong>First Class</strong></p> <pre><code>package android.pdf.reader; import java.io.File; import java.io.FilenameFilter; import net.sf.andpdf.pdfviewer.PdfViewerActivity; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.os.Environment; import android.view.View; import android.widget.ArrayAdapter; import android.widget.ListView; public class First extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); File images = Environment.getExternalStorageDirectory(); File[] imagelist = images.listFiles(new FilenameFilter() { public boolean accept(File dir, String name) { return ((name.endsWith(".pdf"))); } }); String[] pdflist = new String[imagelist.length]; for(int i = 0;i&lt;imagelist.length;i++) { pdflist[i] = imagelist[i].getName(); } this.setListAdapter(new ArrayAdapter&lt;String&gt;(this,android.R.layout.simple_list_item_1, pdflist)); } protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); Object[] imagelist; String path = ((File) imagelist[(int)id]).getAbsolutePath(); openPdfIntent(path); } private void openPdfIntent(String path) { try { final Intent intent = new Intent(First.this, Second.class); intent.putExtra(PdfViewerActivity.EXTRA_PDFFILENAME, path); startActivity(intent); } catch (Exception e) { e.printStackTrace(); } } } </code></pre> <p><strong>Secod Class</strong></p> <pre><code>package android.pdf.reader; import net.sf.andpdf.pdfviewer.PdfViewerActivity; import android.os.Bundle; public class Second extends PdfViewerActivity { @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); } public int getPreviousPageImageResource() { return R.drawable.left_arrow; } public int getNextPageImageResource() { return R.drawable.right_arrow; } public int getZoomInImageResource() { return R.drawable.zoom_in; } public int getZoomOutImageResource() { return R.drawable.zoom_out; } public int getPdfPasswordLayoutResource() { return R.layout.pdf_file_password; } public int getPdfPageNumberResource() { return R.layout.dialog_pagenumber; } public int getPdfPasswordEditField() { return R.id.etPassword; } public int getPdfPasswordOkButton() { return R.id.btOK; } public int getPdfPasswordExitButton() { return R.id.btExit; } public int getPdfPageNumberEditField() { return R.id.pagenum_edit; } } </code></pre> <p>Thanks.</p>
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    1. CODo you know about PDFViewer library to read PDF files?
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    2. COI do not know anything about what you speak
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    3. COPlease See my answer.
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