So apparently the code I was using wasn't compatible with android, hence the error I was getting. Below you'll find the correct code that actually works right (for creating a pdf file, putting some content in it, saving in and the opening the newly created file):

PS: For this you'll need to add the jar of iTextG to your project:

// Method for creating a pdf file from text, saving it then opening it for display
    public void createandDisplayPdf(String text) {
        
        Document doc = new Document();

        try {
            String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Dir";

            File dir = new File(path);
            if(!dir.exists())
                dir.mkdirs();

            File file = new File(dir, "newFile.pdf");
            FileOutputStream fOut = new FileOutputStream(file);

            PdfWriter.getInstance(doc, fOut);

            //open the document
            doc.open();

            Paragraph p1 = new Paragraph(text);
            Font paraFont= new Font(Font.COURIER);
            p1.setAlignment(Paragraph.ALIGN_CENTER);
            p1.setFont(paraFont);

            //add paragraph to document
            doc.add(p1);    

        } catch (DocumentException de) {
            Log.e("PDFCreator", "DocumentException:" + de);
        } catch (IOException e) {
            Log.e("PDFCreator", "ioException:" + e);
        }
        finally {
            doc.close();
        }

        viewPdf("newFile.pdf", "Dir");
    }

    // Method for opening a pdf file
    private void viewPdf(String file, String directory) {

        File pdfFile = new File(Environment.getExternalStorageDirectory() + "/" + directory + "/" + file);
        Uri path = Uri.fromFile(pdfFile);

        // Setting the intent for pdf reader
        Intent pdfIntent = new Intent(Intent.ACTION_VIEW);
        pdfIntent.setDataAndType(path, "application/pdf");
        pdfIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

        try {
            startActivity(pdfIntent);
        } catch (ActivityNotFoundException e) {
            Toast.makeText(TableActivity.this, "No application has been found to open PDF files.", Toast.LENGTH_SHORT).show();
        }
    }

You are using iText for Java, while you should use iTextG for Android and GoogleAppEngine. See http://itextgroup.com/product/itextg

In iText for Java you have dependencies on classes in the Java packages java.awt, javax.nio and so on. These classes are forbidden on Android and that explains why you get that error.

In iTextG, we removed all those classes, keeping most of the functionality intact.

Update: looking at your dependencies, I see 'com.itextpdf:itextg:5.5.9' which means you are already using iTextG. Nevertheless, you are using java.awt.Color somewhere and that is forbidden.

When I look at your error message, I see

dex file "/data/data/com.mcsolution.easymanagementandroid.easymanagementandroid/files/instant-run/dex/slice-lowagie-2.1.7

Lowagie, that's me, and you are using iText 2.1.7 (a library that should no longer be used) as well as iTextG (the library you need). You should check how you introduced that old iText version as it shouldn't be used on Android.

Solution:

• Make sure that you don't import com.lowagie classes. Only import com.itextpdf classes. The general rule is: if you see my name in your code, you're doing something wrong.
• Make sure you remove all references to iText 2.1.7. You shouldn't use two different versions of iText next to each other.
• Make sure you don't introduce any of the forbidden classes (java.awt.*, javax.nio.*) in your code.