// ##### Read the file back in #####
               
               /* We have to use the openFileInput()-method
                * the ActivityContext provides.
                * Again for security reasons with
                * openFileInput(...) */
               FileInputStream fIn = openFileInput("samplefile.txt");
               InputStreamReader isr = new InputStreamReader(fIn);
               /* Prepare a char-Array that will
                * hold the chars we read back in. */
               char[] inputBuffer = new char[TESTSTRING.length()];
               // Fill the Buffer with data from the file
               isr.read(inputBuffer);
               // Transform the chars to a String
               String readString = new String(inputBuffer);
               
               // Check if we read back the same chars that we had written out
               boolean isTheSame = TESTSTRING.equals(readString);

               // WOHOO lets Celebrate =)
               Log.i("File Reading stuff", "success = " + isTheSame);

          } catch (IOException ioe) {
               ioe.printStackTrace();
          }

try {
           in = openFileInput("wallpaper.png");
              mWallpaperManager.setStream(in);
              success = true;    
}