@NonNull
        public Builder setShowTitle(boolean showTitle) {
            mIntent.putExtra(EXTRA_TITLE_VISIBILITY_STATE,
                    showTitle ? SHOW_PAGE_TITLE : NO_TITLE);
            return this;
        }
Sets whether the title should be shown in the custom tab.

@param showTitle Whether the title should be shown.
customtabs/src/android/support/customtabs/CustomTabsIntent.java