When setting an Adapter it Gives a Null Pointer Exception

private ImageButton photoButton;
private Button saveButton;
private Button cancelButton;
private TextView mealName;
private Spinner mealRating;
private ParseImageView mealPreview;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup parent,
                         Bundle SavedInstanceState) {
    View v = inflater.inflate(R.layout.activity_new_meal, parent, false);

    mealName = ((EditText) v.findViewById(R.id.meal_name));

    // The mealRating spinner lets people assign favorites of meals they've
    // eaten.
    // Meals with 4 or 5 ratings will appear in the Favorites view.
    mealRating = ((Spinner) v.findViewById(R.id.rating_spinner));
    System.out.println("mealRating object is " + mealRating);
    ArrayAdapter<CharSequence> spinnerAdapter = ArrayAdapter
            .createFromResource(getActivity(), R.array.ratings_array,
                    android.R.layout.simple_spinner_dropdown_item);
    mealRating.setAdapter(spinnerAdapter);

    photoButton = ((ImageButton) v.findViewById(R.id.photo_button));
    photoButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            InputMethodManager imm = (InputMethodManager)getActivity()
                    .getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(mealName.getWindowToken(), 0);
            startCamera();
        }
    });

    saveButton = ((Button) v.findViewById(R.id.save_button));
    saveButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Meal meal = ((NewMealActivity) getActivity()).getCurrentMeal();

            // When the user clicks "Save," upload the meal to Parse
            // Add data to the meal object:
            meal.setTitle(mealName.getText().toString());

            // Associate the meal with the current user
            meal.setAuthor(ParseUser.getCurrentUser());

            // Add the rating
            meal.setRating(mealRating.getSelectedItem().toString());

            // If the user added a photo, that data will be
            // added in the CameraFragment

            // Save the meal and return
            meal.saveInBackground(new SaveCallback() {

                @Override
                public void done(ParseException e) {
                    if (e == null) {
                        getActivity().setResult(Activity.RESULT_OK);
                        getActivity().finish();
                    } else {
                        Toast.makeText(
                                getActivity().getApplicationContext(),
                                "Error saving: " + e.getMessage(),
                                Toast.LENGTH_SHORT).show();
                    }
                }

            });

        }
    });

    cancelButton = ((Button) v.findViewById(R.id.cancel_button));
    cancelButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            getActivity().setResult(Activity.RESULT_CANCELED);
            getActivity().finish();
        }
    });

    // Until the user has taken a photo, hide the preview
    mealPreview = (ParseImageView) v.findViewById(R.id.meal_preview_image);
    mealPreview.setVisibility(View.INVISIBLE);

    return v;
}

/*
 * All data entry about a Meal object is managed from the NewMealActivity.
 * When the user wants to add a photo, we'll start up a custom
 * CameraFragment that will let them take the photo and save it to the Meal
 * object owned by the NewMealActivity. Create a new CameraFragment, swap
 * the contents of the fragmentContainer (see activity_new_meal.xml), then
 * add the NewMealFragment to the back stack so we can return to it when the
 * camera is finished.
 */
public void startCamera() {
    Fragment cameraFragment = new CameraFragement();
    FragmentTransaction transaction = getActivity().getFragmentManager()
            .beginTransaction();
    transaction.replace(R.id.fragmentContainer, cameraFragment);
    transaction.addToBackStack("NewMealFragment");
    transaction.commit();
}

/*
 * On resume, check and see if a meal photo has been set from the
 * CameraFragment. If it has, load the image in this fragment and make the
 * preview image visible.
 */
@Override
public void onResume() {
    super.onResume();
    ParseFile photoFile = ((NewMealActivity) getActivity())
            .getCurrentMeal().getPhotoFile();
    if (photoFile != null) {
        mealPreview.setParseFile(photoFile);
        mealPreview.loadInBackground(new GetDataCallback() {
            @Override
            public void done(byte[] data, ParseException e) {
                mealPreview.setVisibility(View.VISIBLE);
            }
        });
    }
}