TabSwitcherStyle.java 文件源码

/**
 * Returns the title of the toolbar, which is shown, when the tab switcher is shown. When using
 * the tablet layout, the title corresponds to the primary toolbar.
 *
 * @return The title of the toolbar, which is shown, when the tab switcher is shown, as an
 * instance of the type {@link CharSequence} or null, if no title is set
 */
@Nullable
public final CharSequence getToolbarTitle() {
    CharSequence title = model.getToolbarTitle();

    if (TextUtils.isEmpty(title)) {
        try {
            title = themeHelper
                    .getText(tabSwitcher.getLayout(), R.attr.tabSwitcherToolbarTitle);
        } catch (NotFoundException e) {
            title = null;
        }
    }

    return title;
}