HoloEverywhere

	public void showAlertDialog(View v) {
		MainFragment.getInstance().registerForContextMenu(v);
		openContextMenu(v);
	}

	@Override
	public void onCreateContextMenu(ContextMenu menu, View v,
			ContextMenuInfo menuInfo) {
		menu.add("Label 1");
		menu.add("Label 2");
	}

    public static class SelectImageDialogFragment extends CommonDialogFragment
    {
        public static interface SelectedActionHandler extends Serializable
        {
            void cameraOptionSelected();

            void galleryOptionSelected();
        }

        private SelectedActionHandler handler;

        public static SelectImageDialogFragment newInstance(
                SelectedActionHandler handler)
        {
            SelectImageDialogFragment frag = new SelectImageDialogFragment();
            frag.handler = handler;
            return frag;
        }

        @Override
        public void onCancel(DialogInterface dialog) {
          getActivity().finish();
        }

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            final CharSequence[] items = {
                    getString(R.string.upload_camera_option),
                    getString(R.string.upload_gallery_option)
            };

            AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
            builder.setTitle(R.string.upload_title);
            builder.setItems(items, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int item) {
                    if (handler == null)
                    {
                        return;
                    }
                    switch (item) {
                        case 0:
                            handler.cameraOptionSelected();
                            return;
                        case 1:
                            handler.galleryOptionSelected();
                            return;
                    }
                }
            });
            return builder.create();
        }
    }
}