public void fileReading() throws IOException
    {
        File f = new File("/data/data/com.android.bakup/files/contacts");

        if(!f.exists())
        {
            Toast.makeText(context, "File not found", Toast.LENGTH_SHORT).show();
        }else
        {
            FileReader fr = new FileReader(f);
            BufferedReader reader = new BufferedReader(fr);
            String st = name;
            while((st = reader.readLine()) != null)
            {
                Toast.makeText(context, st, Toast.LENGTH_SHORT).show();
            }
        }
    }