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copied!<p>Use below code for that.</p> <p>First.java</p> <pre><code>public class First extends ListActivity { String[] pdflist; File[] imagelist; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentView(R.layout.main); File images = Environment.getExternalStorageDirectory(); imagelist = images.listFiles(new FilenameFilter() { public boolean accept(File dir, String name) { return ((name.endsWith(".pdf"))); } }); pdflist = new String[imagelist.length]; for (int i = 0; i < imagelist.length; i++) { pdflist[i] = imagelist[i].getName(); } this.setListAdapter(new ArrayAdapter<String>(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); String path = 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>Second.java</p> <pre><code>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>And declared both activities into your manifest file.</p>

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