Android webView saveState

WebView webView = findViewById(R.id.web_view);

@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);
    webView.saveState(savedInstanceState);
}

public void saveState(Bundle savedInstanceState) {
    savedInstanceState.putBoolean("isWebViewLoaded", true);
    savedInstanceState.putBoolean("isWebViewSet", true);
    savedInstanceState.putBoolean("isWebViewFocused", true);
    savedInstanceState.putBoolean("isWebViewVisible", true);
    savedInstanceState.putInt("webviewId", webView.getId());
    savedInstanceState.putString("url", webView.getUrl());
    savedInstanceState.putString("title", webView.getTitle());
    savedInstanceState.putString("user_agent", webView.getUserAgentString());
    savedInstanceState.putBoolean("isBackKeyEnabled", webView.isBackKeyEnabled());
    savedInstanceState.putBoolean("isForwardKeyEnabled", webView.isForwardKeyEnabled());
    savedInstanceState.putInt("scrollX", webView.getScrollX());
    savedInstanceState.putInt("scrollY", webView.getScrollY());
    savedInstanceState.putBoolean("isPageScaleEnabled", webView.isPageScaleEnabled());
    savedInstanceState.putBoolean("isTextZoomEnabled", webView.isTextZoomEnabled());
    savedInstanceState.putBoolean("isZoomEnabled", webView.isZoomEnabled());
    savedInstanceState.putBoolean("isSmoothScrolling", webView.isSmoothScrolling());
    savedInstanceState.putBoolean("isScrollEnabled", webView.isScrollEnabled());
    savedInstanceState.putBoolean("isLoadWithOverviewMode", webView.isLoadWithOverviewMode());
    savedInstanceState.putBoolean("isSupportZoom", webView.isSupportZoom());
    savedInstanceState.putBoolean("isDisplayZoomButton", webView.isDisplayZoomButton());
    savedInstanceState.putBoolean("isBuiltInZoomControls", webView.isBuiltInZoomControls());
    savedInstanceState.putBoolean("isDisplayZoomControls", webView.isDisplayZoomControls());
    savedInstanceState.putBoolean("isAlwaysDisplayScrollBars", webView.isAlwaysDisplayScrollBars());
    savedInstanceState.putBoolean("isAutoResize", webView.isAutoResize());
    savedInstanceState.putBoolean("isAutoSize", webView.isAutoSize());
    savedInstanceState.putBoolean("isFitWindow", webView.isFitWindow());
    savedInstanceState.putBoolean("isFullScreen", webView.isFullScreen());
    savedInstanceState.putBoolean("isShowNavigationBar", webView.isShowNavigationBar());
    savedInstanceState.putBoolean("isNavigationBarHidden", webView.isNavigationBarHidden());
    savedInstanceState.putBoolean("isScrollBarsEnabled", webView.isScrollBarsEnabled());
    savedInstanceState.putBoolean("isFocused", webView.isFocused());
    savedInstanceState.putBoolean("isWebViewLoaded", webView.isWebViewLoaded());
    savedInstanceState.putBoolean("isFirstLayout", true);
}

super.onViewCreated(view, savedInstanceState);

if (savedInstanceState != null) {

    isWebViewLoaded = savedInstanceState.getBoolean("isWebViewLoaded");

    isWebViewSet = savedInstanceState.getBoolean("isWebViewSet");

    isWebViewFocused = savedInstanceState.getBoolean("isWebViewFocused");

    isWebViewVisible = savedInstanceState.getBoolean("isWebViewVisible");

    webViewId = savedInstanceState.getInt("webviewId");

    url = savedInstanceState.getString("url");

    title = savedInstanceState.getString("title");

    userAgent = savedInstanceState.getString("user_agent");

    isBackKeyEnabled = savedInstanceState.getBoolean("isBackKeyEnabled");

    isForwardKeyEnabled = savedInstanceState.getBoolean("isForwardKeyEnabled");

    scrollX = savedInstanceState.getInt("scrollX");

    scrollY = savedInstanceState.getInt("scrollY");

    isPageScaleEnabled = savedInstanceState.getBoolean("isPageScaleEnabled");

    isTextZoomEnabled = savedInstanceState.getBoolean("isTextZoomEnabled");

    isZoomEnabled = savedInstanceState.getBoolean("isZoomEnabled");

    isSmoothScrolling