private MaterialTapTargetPrompt.PromptStateChangeListener onHide(final String scope_key) {
		return (prompt, state) -> {
			if (state == MaterialTapTargetPrompt.STATE_FINISHED) {
				mAppScope.markOnly(scope_key);
				mActivity.invalidateOptionsMenu();
			}
		};
	}
Helper for manipulate user guide menu

Created by Oasis on 2017/3/14.
mobile/src/main/java/com/oasisfeng/island/guide/UserGuide.java