How to page curl for pdf file

hi i m new in android page curl application, i show the pdf file using mupdf opensource via. here using intent action view, so only scroll is working but i need page curl.if any body know the answer please help this concept. thank you. ``` @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mAlertBuilder = new AlertDialog.Builder(this); if (core == null) { core = (MuPDFCore)getLastNonConfigurationInstance(); if (savedInstanceState != null && savedInstanceState.containsKey("FileName")) { mFileName = savedInstanceState.getString("FileName"); } } if (core == null) { Intent intent = getIntent(); if (Intent.ACTION_VIEW.equals(intent.getAction())) { Uri uri = intent.getData(); if (uri.toString().startsWith("content://media/external/file")) { // Handle view requests from the Transformer Prime's file manager // Hopefully other file managers will use this same scheme, if not // using explicit paths. Cursor cursor = getContentResolver().query(uri, new String[]{"_data"}, null, null, null); if (cursor.moveToFirst()) { uri = Uri.parse(cursor.getString(0)); } } core = openFile(Uri.decode(uri.getEncodedPath())); } if (core != null && core.needsPassword()) { requestPassword(savedInstanceState); return; } } if (core == null) { AlertDialog alert = mAlertBuilder.create(); alert.setTitle(R.string.open_failed); alert.setButton(AlertDialog.BUTTON_POSITIVE, "Dismiss", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { finish(); } }); alert.show(); return; } createUI(savedInstanceState); } ```