WebView返回时设置Title

private TextView mWebTitle;

private com.tencent.smtt.sdk.WebView mX5Web;

.........

if (mX5Web.canGoBack()) {
            mX5Web.goBack();
            com.tencent.smtt.sdk.WebBackForwardList list = mX5Web.copyBackForwardList();
            com.tencent.smtt.sdk.WebHistoryItem item = list.getCurrentItem();
            if (item != null) {
                mWebTitle.setText(item.getTitle());
            }
        }