+ /**
+ * The Google Shopper button is special and is not handled by the abstract button methods above.
+ *
+ * @param listener The on click listener to install for this button.
+ */
+ protected void showGoogleShopperButton(View.OnClickListener listener) {
+ Button shopperButton = (Button) activity.findViewById(R.id.shopper_button);
+ shopperButton.setVisibility(View.VISIBLE);
+ shopperButton.setOnClickListener(listener);
+ }
+